Lm7 Swap



6L 464hp Twin Turbo V6 and 6 Speed Manual Transmission Kit $ 15,999. Conversions & Hybrids - My Budget LS Engine Swap Guide <$1500 - I made this writeup for another site after some guys were asking me questions and I figured it might do some new swappers some good on here: Alright, I had a handful of guys wanting more info on how to swap in an LS-series of engine on a limited budget. The L31 was available from 1955 until 1969, but was reintroduced years later and was available until 2002, when the 5. Hi all just wanted to stop by and pick the brains of a few of you guys who have done the 5. 3 iron block is one of the most readily available LS blocks out there at a cost around $1200 with the harness and computer and never had the cylinder deactivation on it, making it a easier swap by a small means. I have done several swaps, as a hobby, not as a business and I enjoy making the wiring harnesses. He needs to buy a few more parts and figure out what adapter he is going to get for the transfer case. The 2-3 upshift would often result in a ‘free-wheeling’ not unlike shifting to neutral. 3 Crane cam Dual valve springs new valve seals titanium retainers Trunion upgrade LS6 intake LS1 coil packs with MSD wires Dual pass aluminium radiator with electric fans Power steering cooler Turn 1 power steering pump Hooker 1 7/8 long tube headers wrapped! 2004 gto t56. GM PCM’s with IAC drivers (needed for “Drive by Cable”) SERV. I would sell my 88 hurricane before thinking of selling this truck. There's not alot of money to be saved however in getting one these opposed to the L33. Main difference aside from the block material is the heads, cam, and intake system. 3 swap Modified Tech Discussion. 3L LS engine. Difficulty of a 1985 928 5. This was my very first fuel injected swap. AFA the swap itself, just as everyone else has already said - it is a complete slam-dunk, litterally the same physical effort as swapping in another 5. 0 w/ 4l80e, $1600 after taxes. currentperformance. Haven't found Ls1 online? Discover Ls1 on sale right here with the largest option of Ls1 anywhere online. 3-liter GM LM7 V8 set as far back as possible in the chassis on a set of custom engine mounts and a modified front subframe. I recently purchased a 1997 Jeep Wrangler TJ Sahara 4. 3L Chevy Motor Swap – Motor Placement 5. Explicit Speed Performance, Home of the H22A crx, H22 crx motor mounts, EF 88-91 Civic/Crx H22A motor mount kit, Full Port and Polish head jobs for Honda/Acura, Engine/Head rebuilding, Fabrication. 99 Select options. 8 liters to the almighty 7. 3l parts lm7 5. The 60e is taking up space on a shelf. 4v starts popping. i ALMOST put one in my 240 but wanted to experiment with turbo technology. 3 Swap on a Budget - LSX Magazine See more. Aside from that there was countless bits of info by searching on every truck site i could think of and on google for terms like ls1 swap, lsx swap, lq4 swap, lm7 swap, gen III swap, vortec swap, etc. Difference is the alky sensor, fuel rails, and larger injectors on the L59. It makes sense for engine swaps. The name first appeared in a 1984 advertisement for the 1985 model year 4. I will answer questions, but this is mostly just going to be pics. 6L 464hp Twin Turbo V6 and 6 Speed Manual Transmission Kit $ 15,999. Our goal is to offer accurate parts at fair prices, making sure that even a used LS engine swap can be affordable. If you find this information helpful for your engine swap project, please support my efforts to get this info out to people by letting me do your PCM programming. hotrodharness. The TPI is controlled by Megasquirt II using a MSD Pro Billet Distributor. It seems I can get a LS1 for about $2700 or LM7 for $1000 with around the same mileage. I can modify your stock LS or Vortec wiring harness for use in swaps or non-SMOG controlled vehicles. It is a longer-stroked (by 9 mm (0. Expect to pay around $750 (I've seen them from $500 to over $1000) for a used T56 transmission bare, or $1250 ($700-$1700 range) for the complete package (with the flywheel, clutch, shifter, all bolts, etc. The other thing I had to turn my attention back to was the coolant system. Ships in 2-7 business days. Their quality and ease of use have made them a popular choice among professional builders and hardcore auto enthusiasts. V8S10 LSX Engine. 2000-2004 Chevy Silverado 1500 5. The Vortec 5. GM fuel injection wiring harness stand alone harness LS1 LT1 LS6 tuned port aftermarket wiring harness pcm programming LS1 engine swap Vortec engine harness best top. Fortunately the LM7 only has two block connections to one outlet line. Check out this 5. Because of this and the booming economy of those times this is the MOST common of the GenIII V8 engine. 3 liters in a V8 configuration, the LMG was part of the Vortec. GM let their engineers run and they came up with a better performing intake manifold than even the stock early truck style. JBA Part Number 6850SJS *This product is Not legal for Street or Off Highway use in California or in states that have adopted California Emissions Regulations and is only intended for Closed Course Competition use, except 1965 and Older US manufactured California Certified vehicles, 1967 or older US manufactured Federally Certified vehicles, or 1967 and older Foreign manufactured vehicles. 3 liter V8's. Great for a swap project. NV3500 Swap Over the summer of 2016, I experienced some transmission issues that appeared to indicate the loss of 3rd gear in the 4L60E. You will have to modify the harness. 3 swap with Z06 Cam - Parts Needed Shown - Truck LS1 - Duration: 4:17. BILLET LS TRUCK SQUARE - REMOTE MOUNT COIL RELOCATION BRACKETS - D581 LSX SWAP. Check out what's included in the LS Swap Kit: Wiring for the LS in a JK (Gen. 8 liters to the almighty 7. Like seriously I would sell my house before I sold this truck. Fits D581 12563293 Square Coils. Please login or All of the wiring in my swap is going to be inside the car away from moisture. L59 denoted a flexible fuel version of the standard fuel LM7 engine. We have also spent years developing LS swapping solutions to assist you in an easy and fluid LS swap process. Where an engine swap is performed, mixing and matching of components is not allowed, even among variants of the same engine in a manufacturer's line. ***** SUBSCRIBE ***** Swapping an LS based engine into you G-body using your existing transmission is a piece of cake. 94-up S-10 LSx Engine Swap A/C Lines $ 225. '62 Impala Page has a lot of info on my LT1 swap. The Gen III 5. (1999-2004) 0. That said, swapping a flywheel isn't difficult. 1968 C10 Vortec (LM7) swap; If this is your first visit, be sure to check out the FAQ by clicking the link above. 97 TJ Sahara 5. #249 Re: My 1984 K10 - LM7 swap!! BillBoost37. LS Conversion Kit, LS conversion mounts. From fuel injection, manifolds and fuel pumps all the way to the exhaust system. 3L combination produced 359 hp at 5,300 rpm and 384 lb-ft of torque at 4,200 rpm. Speartech is your LSX wiring harness swap specialist. there are plenty of guys that have swapped LM7's. 2 AND get mid 20s on the highway. Jan 19 2017, 2:54am The engine in my '04 Silverado has started knocking and I found a decent deal on an L33 5. This 1971 Mercedes Benz 280SE W108 with LM7 swap is for sale in Atlanta, GA for $6000 via craigslist. These elements are natural to the process of writing, and will only add to the overall beauty of the post. L59 denoted a flexible fuel version of the standard fuel LM7 engine. I am doing the swap in my 98 ext cab and wanted to resuse as much of the harness as possible. But to the enthusiasts of the world, we implore you: choose. they may still say private but just click the video and it will play. 240sx LSx Swap has 3,447 members. I have a. I'm not going to keep the LM7 forever, unless it outperforms my expectations, but since all the Gen III motors are the same, I figured I'd start with the cheapest engine so I could spend more $$ elseware. Product Description. On 19 October, 2013 I drove that truck for the last time with the 4. Swap the stock engine in your Chevy or GMC truck or SUV over to a more powerful LS V8 with LS-Series Engine and Drivetrain Components from LMC Truck. Cam swap for 5. 3, but the L33 5. 3 lm7, iron block - Ls1 intake, sump and accessories but comes with all the truck stuff also including loom bought for a project that I'm now not doing. do NOT contact me with unsolicited services or offers. 3L iron block truck engines you can pick up in wrecking yards for about $600. ) First we will go through the most common engine designations and specifications. For varying reasons GM rated the LM7 from 270HP to over 300HP for different years and applications. Vorshlag sells the Tremec T56 Magnum for use with a number of our GM LS swap kits - this is the unit we design around primarily now, as it is. 0 swap kit for mazda rx8. A few details: 2005 Chevy silverado (gen3 "LS") LM7 5. GM LS Gen 3 LS1 LS Gen 4 Conversion Swap Engine Mounts and Accessory Brackets. 12576106 – 12570558 – 2003 G-VAN, LM7, IAC DRIVERS INSTALLED. 3, but the L33 5. It has a cast iron block, 285 horsepower, 325-330 ft/lbs torque, 96mm bore, and 92mm stroke. 4: 2007-2013) and more…. 3 lm7 to do the swap took. Steering Linkage. This is my '95 K2500 budget truck project. LM7,W/TRANS&ACC Chevy 5. All the LS models have the oil filler on the passenger valve cover (except LS7). Got any pics of them while it's out so I can see all the sides? You as the only one I've seen make then work like that before. V8S10 LSX Engine. Cam Specs will come with the engine. 3 LS Swap Problem. 0, ls, vortec, ls swap. Powertrain Products, Inc is the nation's leader in providing remanufactured and rebuilt engines for cars and trucks. GM LS Gen 3 LS1 Gen 4 Conversion Swap Engine Mounts and Accessory Brackets. 243 casting comes with springs and valves $320 These will fit on a 5. Sikky specializes in bolt-on LS swap kits for Nissan, Infiniti, Toyota, Lexus, Mazda and BMW's. Depending on you budget I would look at a 6. All the items listed below are things you will need to consider, research, and plan on having when doing an LS swap. LSA, LS9, LS2, LS3 Stand Alone Engine Harness For E67 ECU $ 599. Under the hood sits a 2002 5. I've been working on the swap for a few weeks now, got an engine off craigslist (came from LKQ originally) and a transmission from a junkyard. LS Conversion Kit, LS conversion mounts. I can work in the Richmond at a later time. 3 share the same block but the internals; crank, rods, are not. What is the difference between the stock LM7 and LS3 cams. Free Shipping! The Vortec LM7/L59 5. Measured out at 6,500 rpm, the early LS1 cam offered 63 hp over the LM7 cam, but the results illustrate that the gains did not come without a trade-off. Reusing the plum crazy truck from the www. 3 liter V8's. 3L swap in one of the 73-87 chevy trucks. Hi, im planning on swapping a 5. How to Do Hot Rod Wiring the Right Way. 3L, the wiring, sensors, and accessories are the same, if there are any differences they are *very* minor. 3 share the same block but the internals; crank, rods, are not. For SUV applications, it is rated at 320 hp (239 kW) and 340 lb·ft (461 N·m) of torque; for pickup truck applications, it is rated at 315–320 hp (235–239 kW) at 5200 rpm and 335–340 lb·ft (454–461 N·m) at 4000 rpm LMG. 3 Swap on a Budget - LSX Magazine See more. These elements are natural to the process of writing, and will only add to the overall beauty of the post. Some very good sites were lt1swap. Your Source LSX Conversion Parts. Therefore, any other STOCK cylinder head swap yields a lower compression ratio. Piston Material: Hypereutectic Cast Aluminum Alloy. I am making this thread for my truck and other people that are doing ls swaps in their 96-98 obs. Since every LS engine swap is a little different and there are lot of choices to be made, you can use this guide as a reference for ideas and part numbers as you move through the process. Headers, Mounts, Kits and More for your V8 S10 Swap. 3L LM7 and thereby not a flex-fuel engine. What are the prices on your conversion kit parts? Thanks, Larry. 3l 125k Miles 1999 $899. Ranging from 4. 3 lm7 vortec 2002 - $500 (Godfrey) hide. I will try and help shed some light on installing one of these in about anything on the lowest budget possible. Ground Control. com - Adam will rework most LS1, Vortec Truck, and F-Body LT1 Harnesses. 3L vin code "B" is an aluminum block version of the LM7, and was referred to as the Vortec 5300 HO in marketing materials. Posted 11/27/2013 by Jeff Jimenez. The LB7 was available for 2001 to 2004 model year GMC and Chevrolet HD pickups. Either swap could be done without a lot of fanfare. Difference is the alky sensor, fuel rails, and larger injectors on the L59. Trick Flow Specialties is a leading designer and manufacturer of high performance cylinder heads, intake manifolds, and engine components. I've been looking at an engine swap for some time now and had thought of swapping in an LS1 with a Richmond 6-speed tranny, but I just recently seen where a LQ4 block is identical to the LM7. This is a follow-on book to author Joseph Potak’s How to Build and Modify GM LS-Series Engines in which he detailed the performance community’s broad embracement of GM’s LS-series engine, proving it a worthy successor to the venerable Chevy small block V8. 10k: LM744: 1985. Keep in mind that the LS1 or LM7 is not necessarily a better deal than the LS2 or LS3. Stay posted! 2004 box van, 130k miles. ENGINE / TRANSMISSION / TRANSFER CASE for TRUCKS & VANS ** LS SWAP (san jose west) < image 1 Changeover Swap LS LQ4 LQ9 L33 LM7. The name "Vortec" can be confusing because GM used that name for their V6 and V8 truck engines as far back as 1985. 3L vin code "B" is an aluminum block version of the LM7, and was referred to as the Vortec 5300 HO in marketing materials. Stage For Sale. Sloppy Mechanics Wiki. 7L swap This page is to help those guys out with swapping a 1996-2000 Vortec 4. - Gm Engine 1996-2002 New Replacement Engine With A 3Year 100,000 Warranty. It has a cast iron block, 285 horsepower, 325-330 ft/lbs torque, 96mm bore, and 92mm stroke. Our automotive Throttle Body product line is the heart of Accufab. Off came the coil packs, valve covers and factory rocker arms. The name first appeared in a 1984 advertisement for the 1985 model year 4. 68 Likes, 3 Comments - Ryan Hamilton (@thatlsmiata) on Instagram: “#mazda #jdm #built #drift #beater #junk #turbo #bigturbo #summit #ls #lm7 #miata #lsmiata…”. 3/LM7 into an XJ. Horsepower: 385+ Torque: 390+ Block: GM 5. We also carry many other products to help you with your swap, including hard to find air conditioning parts!. LSx Swap Guide Alright, I had a handful of do-it-yourself guys wanting more info on how to swap in an LS-series of engine on a limited budget. hotrodharness. (1999-2004) 0. Using some smart combos you can have the torque of the LS V8 for less than the cost of a set of wheels. 3L LM7 and thereby not a flex-fuel engine. It is a longer-stroked (by 9 mm (0. Because of this and the booming economy of those times this is the MOST common of the GenIII V8 engine. Call or text anytime show contact info. Ships in 2-7 business days. - Gm Engine 1996-2002 New Replacement Engine With A 3Year 100,000 Warranty. PSC power steering pump Aeromotive Phantom in-tank fuel pump holley accessory drive stainless ptfe fuel, power. 4: 2007-2013) and more…. 3L to a Vortec 5. That's especially true for chassis such as S-10s, early Camaros and Chevelles, and many full size Chevy pickups. To physically install the engine into the car will cost less than $60 if you. A few details: 2005 Chevy silverado (gen3 "LS") LM7 5. I try to offer this at an affordable price for the basic engine swap. LS swaps can get pretty pricey, but we found an article written by MeanYellowZ on LS1tech, that tells you how to do a LSx swap for cheap. Coilover systems from A to Z. newer style blazer v8 swap need help!!!!! I would suggest going to s10forum dot com and go to the LSX section. The LM7 (along with its L59 FlexFuel E85-capable brother) are the Gen. i am doin my first lsx swap nd i was able to pick up a pretty cheap candidate for the swap a 1st gen s10 with a 2. Their quality and ease of use have made them a popular choice among professional builders and hardcore auto enthusiasts. Hello friends. View Details. Check out this 5. Power increased by 15 hp (11 kW), to 310 hp (230 kW), over the LM7, and torque was unchanged. Specialties: As your personal Farmers Insurance agent located in Howell, I believe in keeping you informed of ways to protect what's important to you. 3L LM7 engine build with Trick Flow GenX 205 heads, Wilson LSX fuel rails, a Trick Flow TrackMax camshaft, a FAST LSX intake manifold and a MSD Injection 92mm throttle body, only. Remanufactured Chevy Smallblock Engines. At the heart of it all is a 5. Without it, you can get some of the vacuum operated items (Such as the heater flapper and stock t-case) to engage and disengage when ever you apply a bunch of throttle. I would sell my 88 hurricane before thinking of selling this truck. The 700r4 is all cleaned up and in the garage. These are cast iron blocks based on GEN 3 design. LM4/LM7 Engine. To prepare the motor for a touch of forced induction, Enrico opened it up and rebuilt the bottom end with choice components like Mahle forged pistons, Manley H-section connecting rods and a. Your Source LSX Conversion Parts. Vorshlag sells the Tremec T56 Magnum for use with a number of our GM LS swap kits - this is the unit we design around primarily now, as it is. I thought I was getting a deal on a 2003 LM7 5. The shorter runners on the LS1 intakes are tuned for higher rpm whereas the longer intake runners on the truck intakes provide more low-end torque. If you try to swap out the guts of the rear end, you will just cost yourself a lot of money doing gear setup - so swap the entire rear rather than the guts. 8L LR4 motor and the ONLY way to really tell the difference is to remove the oil pan and windage tray. The TPI is controlled by Megasquirt II using a MSD Pro Billet Distributor. We tested the stock 5. There are many different model valve covers, all specific to each application, but for swap purposes, you can get around having the exact cover. 3L produced 353 hp and 384 lb-ft of torque. LT1 was installed with a stock 1995 PCM and wiring harness I modified for the swap. Posted 11/27/2013 by Jeff Jimenez. 3L V8) for about $1500. For marketing purposes, it was also known as the Vortec 5300. 3 Vortec hit the market and was used in Cadillac, Chevy and GMC trucks and SUVs. The turbo 5. Our automotive Throttle Body product line is the heart of Accufab. Turbo kits, swap kits and everything in between. L33 vs LM7 5. Sloppy Mechanics Wiki. LS Engine Swap Kits *** Unless otherwise stated in the information provided on this site, the HEDMAN HEDDERS provided in these kits are designed for use on stock cylinder heads. 3l & the new compression ratio with each head installed. Yeah, You're pretty deep into your swap. 2000-2004 Chevy Silverado 1500 5. 10k: LM744: 1985. Ground Control. See our Intake manifolds - 350 320 318 Chevy. 2JZGTE Single Turbo Kit + Intercooler Radiator For Mazda RX7 FC Swap. Now I've got a '05 LM7 w/122K milescomplete minus front accessories, harness, ECM, coils. The LS1 engine, when it was first introduced in the fall of 1996 for the 1997 Corvette was an instant success. To prepare the motor for a touch of forced induction, Enrico opened it up and rebuilt the bottom end with choice components like Mahle forged pistons, Manley H-section connecting rods and a. 3L vin code "Z" is a flex fuel version of the LM7 and makes around the same power. Tin Man Fabrication, Inc. Before the LS stole its thunder, the 5. Difference is the alky sensor, fuel rails, and larger injectors on the L59. AFA the swap itself, just as everyone else has already said - it is a complete slam-dunk, litterally the same physical effort as swapping in another 5. This may be. It doesn’t need shiny paint or straight bodywork to haul greasy car parts or a bed full of yard waste, and you could say a few dents and dings help avoid any feelings of…. This is my '95 K2500 budget truck project. This Guide is written from the perspective of starting with a completely stock 240sx and swapping in a mostly stock LS1 style motor and can be applied to pretty much any S-Chassis from an S12 up through an S15, and any Gen III or Gen IV GM small block V8. Posted 11/27/2013 by Jeff Jimenez. 3 L V6 that used "vortex technology" to create a vortex inside the combustion chamber, creating a better air/fuel atomization. 35 in)) version of the Vortec 4800 and replaced the L31. do NOT contact me with unsolicited services or offers. LS swaps are all the rage, primarily because they're cheap, powerful, and plentiful. I recently purchased a 1997 Jeep Wrangler TJ Sahara 4. We see a lot of LS swap projects nowadays on YouTube, like this video of a 5. Edelbrock is the most respected name in performance. Or swap the computer from the LM7 in. 1968 C10 Vortec (LM7) swap; If this is your first visit, be sure to check out the FAQ by clicking the link above. There is not going to be a high demand for these in the aftermarket. We also specialize in LS and LT swap standalone harnesses. This is a very good reason to get pre-engineered mounts for the swap instead of trying to make something work. There were a couple key areas where the LM7 excelled: 1. This write up will cover all the important topics on selecting the right parts to swap an LS1 into your 240SX. 3 small block engine used in GM trucks between 1999 and 2007. Great for a swap project. Remember, it is always cheaper to buy components in a complete kit than individually, as there are discounts built in. LS Conversion Kit, LS conversion mounts. 7L swap This page is to help those guys out with swapping a 1996-2000 Vortec 4. #249 Re: My 1984 K10 - LM7 swap!! BillBoost37. in bore dia. Power increased by 15 hp (11 kW), to 310 hp (230 kW), over the LM7, and torque was unchanged. 0 engines because they share the same platform and most parts with the actual 5. Description for Cadillac DeVille 1967: 1967 Cadillac Coupe Deville Resto Mod Super Clean 1967 Cadillac 2 door coupe. Used (normal wear), I have a 1995 nissan 240sx s14 clean title tags up to date its my daily driver!! Pros! Ls swap Lm7 5. Only 25% of trucks made in 2005 had the L33 engine. I try to offer this at an affordable price for the basic engine swap. Trans Dapt motor mounts are designed to make mounting your transplanted engine to the chassis easier, and more secure. 0, ls, vortec, ls swap. Trick Flow products perform as advertised and exceed customer's expectations for performance and value. Unlike other 5. Nothing beats the power of modernizing with a complete LS swap system. V8S10 LSX Engine. WARNING!!! These parts are engineered to work together in a specific manner. This mount kit includes new frame brackets that bolt into existing holes in the frame. For Models: Lm7. The name "Vortec" can be confusing because GM used that name for their V6 and V8 truck engines as far back as 1985. Link to post Share on other sites. But Wait, There's More! We know it takes more than just a set of motor mounts to make a swap like this happen. 3 liter LS swap into a 1994 Chevy truck from user AGearhead4Life. To prepare the motor for a touch of forced induction, Enrico opened it up and rebuilt the bottom end with choice components like Mahle forged pistons, Manley H-section connecting rods and a. I'm looking for help or guidance to help get me started on my swap. I will answer questions, but this is mostly just going to be pics. Sloppy Mechanics Wiki Home Here is the bread and butter of the LS swap engines. newer style blazer v8 swap need help!!!!! I would suggest going to s10forum dot com and go to the LSX section. Power increased by 15 hp (11 kW), to 310 hp (230 kW), over the LM7, and torque was unchanged. Like seriously I would sell my house before I sold this truck. We build our LS Turnkey Pallets with you in mind: Swap Ready. 3l lm7 swap Ls swap RAM BUILT. 3 the most significant small block engine since small-block V-8s arrived in 1955. Swapping the ECM/Motor/Trans and trying to figure out what else I'm going to need. 1968 C10 Vortec (LM7) swap; If this is your first visit, be sure to check out the FAQ by clicking the link above. Expect big mid to upper end power, will have a noticeable idle. The purpose of this sticky is to explain the "Advanced Search" function because it is much more powerful and is the best choice when researching information. 's parts are designed, intended, advertised and sold exclusively for installation on vehicles in compliance with state and federal law. Horsepower: 385+ Torque: 390+ Block: GM 5. Question about vortec swap, I was wondering since its a newer motor being put into a older model what would be needed to be done for the swap to be successful? I have a 90 K5. This part will fit these makes and models with these options. Throttle Body Information: A 98-99 TB has a brown spring on it and a smaller throttle cam, GM Part# 17113390. L33 vs LM7 5. 4, LS, LT, Truck lots of applications. 8L LR4 motor and the ONLY way to really tell the difference is to remove the oil pan and windage tray. 3 LS swap Been getting a lot of questions and comments about the swap so im gunna put all the info in this thread So a lot of you know I have been going back and forth between a 383 and a LS for a long time. 3L produced 353 hp and 384 lb-ft of torque. Since 1955 GM had been building is Chevrolet Small Block V8 with accolades, respect and awards in the automotive press and racing and with commercial success with customers in marine, industrial and mainstream automotive markets. The steering linkage is the biggest challenge facing Tri-Five swappers. Displacing 5. The other thing I had to turn my attention back to was the coolant system. GM fuel injection wiring harness stand alone harness LS1 LT1 LS6 tuned port aftermarket wiring harness pcm programming LS1 engine swap Vortec engine harness best top. If you find this information helpful for your engine swap project, please support my efforts to get this info out to people by letting me do your PCM programming. 240sx LSx Swap has 3,447 members. Wow, never heard of a LM7. Question about vortec swap, I was wondering since its a newer motor being put into a older model what would be needed to be done for the swap to be successful? I have a 90 K5. 240sx LS1 swaps are known for giving classic cars a boost to drive as fast as they look. I also could have grabbed a lot of these parts used from a junkyard for far less money than I did. The Gen III 5. I'm doing this swap on a budget and over a period of time so time is not of the essence. Scared of wiring? Hot rod wiring doesn't have to be thathard to do. Either they create huge mounts to sit on the towers, or they cut out the towers ava start from scratch. An “engine change” is the installation of an engine that is different from the one which was originally installed in the vehicle and does not qualify as a “replacement engine”. : You can create polls.