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Also how is the 6 speed trannys gearing for drag racing and stuff? ADDITIONAL ITEMS REQUIRED: E38 ECM, T43 TCM (LOCATED IN VALVE BODY OF 6L80E/6L90E TRANSMISSION), CORVETTE OR VORTEC TRU, California Proposition 65 Warning- Click here to learn more, Sign up to get the latest on sales, new releases and more . For a better experience, please enable JavaScript in your browser before proceeding. I've been researching the swap for about a year and been looking for the 6.2 and yes its a complete package ecu harness engine and trans for a little over 3k its the best price I've found around here for a motor with that mileage and as a complete unit, And I ordered the ls swap book haha. I would have bought a LS3 and a 4-speed automatic.". SPEC Clutches: For That Next Engine Swap Or OEM, Shop Tour: Brian Tooley Racing Expands To Be A One-Stop, Moroso Anti-Roll Kit Is The Right Tool For The, Steer Your Classic Ride Straight With A New CPP Steering, NEW LS Bellhousing For Magnum And T56-Shifted Hot, Fenix Is A Next-Gen 69 Camaro With 1,180, A Brothers Quarrel Results In This Fine 1955 Chevy, Is This Barn Find The Worlds First Corvette? Gear Select Module Kit Polished Inline Vertical Remote Configured for Hard Wired Vehicle Speed and Brake Light. Feb 15, 2015. I have a good friend with a stock 2011 Silverado 5.3/6L80e and hes had the trans rebuilt . For a better experience, please enable JavaScript in your browser before proceeding. Fortunately, there are a lot of good choices available, whether youre looking for a bulletproof three-speed for the dragstrip, a long-legged overdrive for the highway, or something in between. Ill check it out thanks do you know if this is positive or negative but the main question is how do i go about and checking for angle i dont have the driveshaft yet. If you are swapping a 4LXX-series transmission, then you need a new flexplate like the billet SFI 29.2 unit from TCI (part No. The TH350, TH400, and Powerglide are a direct bolt-on for an LS engine, explains TCIs Winstead. Did a little more paying attention to build threads on pro-touring.com that were going with the 6l80 & 90 transmissions. The trans will probably cost you at least $1300-2000 to have rebuilt to take the HP you want to make. I just like the more subtle shifts, up and down of the 6L80. Generally speaking, a 700R4/4L60E transmission will fit most applications that originally contained a TH350/TH400, concurs Winstead, adding,The 4L80E will not require many modifications in early A-body and F-body applications. Samples says, The 4L60 and 4L80 families of transmissions are considered the small-block and big-block Chevys of the transmission world because of their simplistic and durable design and the ease of installation.. The 30 MPG, and the $3K pricetag. The LS3 and Truck 6.2's idle between 5-600 rpm which is great off road, the 480 HP engine like 750-800 rpm. GM LS3 L94 6.2L COMPLETE 4X4 LS SWAP DROPOUT ENGINE TRANSMISSION 6L80 98K MILES. All Rights Reserved. sales@psiconversion.com 732-276-8589Mon-Fri: 8:00am to 6:00pm ET I am going to try and find a shallow pan for it as it hangs lower than a 700r4 but all is good. Pm me if you don't want it public. PARTS INCLUDED: Complete Engine Wiring Harness (4 Wire Hookup) Compatible motor configurations - All GM LS Crate Engines, LH6 . 2016 Chevrolet SS 6.2L LS3 Engine w/ 6L80E 6-Speed Automatic Trans 22K 1969 X66 396 LeMans Blue, M20, 373 (Sold). Sorry, please correct the following errors: Thank you for subscribing to our newsletter. Ignition, Fuel Pump & Gauges - a handful of labeled wires for you to connect. It is a heavy-duty version of the 6L80 six-speed automatic, with a strengthened input gearset which has two additional pinion gears for six total, and a strengthened output gearset, that uses wider gears than the . ***FOR SALE***2016 Chevrolet SS 6.2L LS3 Engine w/ 6L80E 6-Speed Automatic Trans 22K MilesVIN: 6G3F15RW5GL203330What's Included:Complete 6.2L LS3 Engine w/ 2. Fully finished harness - all loom secured and engine / transmission connectors attached. New GM LS3 (430 HP) crate engine with all belt driven accessories (OE GM front end accessory drive), New GM 6L80 six speed automatic transmission, Transmission cooler lines and driveshaft yoke, Complete air inlet kit (includes elbow, MAF tube, and K&N filter). JavaScript is disabled. I'm using the 6L80 in my '76 restomod. My 4L65 is plenty strong but I need another high gear - I'm at 2200 cruising at 70 while I think most M6s are around 1800. OOPS, was thinking of 4 80 le. :beer:After a little more research I believe its a 6l90e if I can get away from these 18 hour workday im gonna check it out:cool4: Well im pulling the trigger and buying both this weekend.been doing research and think the hardest part will be fitting the trans . What's Included: Complete 6.2L LS3 Engine w/ 22K Miles (Intake to Oil Pan) 6L80E 6-Speed Automatic Transmission; Transmission Crossmember; Complete Engine Wiring Harness; ECM Computer; Complete Front Accessories w/ Brackets and Bolts; Motor Mounts Find many great new & used options and get the best deals for 2014 Chevrolet SS 6.2L LS3 Engine w/ 6L80E 6-Speed Automatic Trans 70K Miles at the best online prices at eBay! General Motors limited 2 year / 50,000 mile parts & labor engine warranty and limited 1 year parts replacement only transmission warranty. Some say the 4L60 can be built to be a little more robust. GMP-12619241 Complete Starter Package for CPP LT Crate Engines. The original 350 is absolute toast. The Gen V crankshaft is an 8-bolt. Recommended Fuel: 92 Octane Whats needs to happen to install 6L80E in a 3rd gen Power: 430 HP @ 5900 RPM, 424 ft. lbs. Specifications: 6L80e to 4L80e swap. Im still interested in doing it but Ive got too much time and money in my 4l60 for me to start over. Compression Ratio: 10.7:1 Transmission Crossmember Options: TH350, TH400, 700R4, 4L60E, 4L80, 6L80, or T56. These kit lets convert any GEN 3 Chevrolet engine that is not using the 58X operating system in their ECM. I will delete the oil sensor then. Chevrolet Performance 6L80E 6-Speed Automatic Transmission Package We offer either 6L80E and 6L90E (additional core fee) transmissions kits. My other money pit - 1972 C10 5.3/6L80 - Cadillac CTS-V Forum Reply #13 on: July 21, 2011, 11:27:17 AM . 6L80/90E Swap FAQS | Chevy Trailblazer SS Forum Would be great to see a build thread with a 6l80e , ill be doing one when i have everything, yes posting several clear pictures , and all the details and part numbers that apply to installing that transmission in your corvette, with that engine,here, would be very helpful. Just bolt it on and make sure the sensor travel is visually nearly centered and the controller will self-calibrate zeroto100 percent throttleautomatically once you get it all up and running., Chevrolet Performance has also gone out of the way to take the set-up anxiety out of introducing electronics into the mix, making its transmission controllers plug-and-play (but with tuning options built in as well). Jan 16, 2015 - This is a 1957 Chevy Bel Air that Southern Performance Systems will be installing a LS3 engine with 6L80E 6-Speed Automatic Transmission. We offer everything from basic replacement engines, to 800+ horsepower monsters! Runs great LS Swap. Moving to an overdrive gearbox does have some special considerations to keep in mind in terms of space and controlling lockup and line pressure, though, and in the case of a fully electronic transmission, overall control. Gen V L83 or L86 E92 standalone engine harness with 6L80E transmission Use with MAF sensor p/n 23262343 or equivalent Use with Oxygen Sensor p/n 12659516 or equivalent Wired for Corvette pedal p/n 19417903. . Price does not include crating & shipping. After having my '78 for 9 years I finally decided to do the engine/trans swap. In addition to wiring harnesses, PSI carries Holley Products, Vintage Air A/C, Dakota Digital Gauges, HPTuners and PCM programming, Fuel Pump Kits, Engine Sensors, Extension Harnesses, Replacement GM connector pigtails and a complete line of hardware to complete your conversion needs! . Easy Bolt-In Installation of Your Engine. 6L80e to 4LXXe Conversion Harness (Generic) - PCM of NC, Inc Click Here to view or download warranty form. A sliding grommet seal allows for professional, leak proof installation. LS3/6L80 (430 HP) Alternative Views: Our Price: $ Please call us at (765) 378-4908 to order engine packages. $719.00. Whats better? On the 700R4, TV cable adjustment is critical to transmission performance, and many a 700R4 has died an early, ugly death because the owner wasnt aware of the necessity of setting it correctly. Sponsored. I tried uploading pics not sure what the deal is. much easier swap than the 6L and you can make em hold tons of power. APPLICATION: 2008 - 2014 CORVETTE, CAMARO, G8 LS3, LS376 480 & 525 ENGINES WITH 6L80E OR 6L90E PARTS INCLUDED: Complete engine wiring Harness, . . Information on the General Motors LS2 and LS3 Gen IV engine. We offer numerous services to assist you in getting the best performance from you vehicle. It has about the same power as a 6.4 SRT Hemi but with the 6l80 it will outperform the Hemi I think. BonzoHansen said: 6L80E 6-SPEED AUTOMATIC. Chevrolet Performance LS3 525 HP Engine with 6L80E 6-Speed Auto Interior removed in prep for tunnel mod. Try doing a search on the site. CPSLS35256L80E-X GM LS3 525HP Engine with 6L80E 6-Speed Auto Transmission Combo Package. I'm running a holley 302-1 oil pan, custom motor mounts, and a wiring harness from PSI. Also, did a compression test. Oct 1, 2016 4,544 Waupaca WI. going to buy a ls3 & a 6l80e out of a 2009 g8 tomorrow anyone have one of these in a car how hard will it be to put this in my 66 chevelle. I already have my LS3 and 6L80 trans that I had intentions to put in a 72 Chevelle that I sold after grabbing this 69 Camaro. Front timing cover It may not display this or other websites correctly. RX8 LS Swap Which LS Engine Fits The RX8 Best? - Motor Verso Just wanted to update this in case someone else is interested, but the 6L80 fits in no problem, no tunnel mods needed at all. The included the following hardware: ** Customer is responsible for shipping charges on core return. My biggest problem right now is just time..I either have all the time and no money or im making money and have no time :-x. (Variable Valve Timing and Active Fuel Management) ls3 & 6l80e | Team Chevelle Braided Loom: No, Yes. They're factory-engineered engine-and-transmission combinations that include all the electronic control modules, wiring harnesses and other key components you need with the simplicity of one part number. 1982 GMC Sierra LS3 + 6l80e 4x4 - The 1947 - Present Chevrolet & GMC Between the two options, a flexplate swap using the original converter will be cheaper, but considering that the new engine is likely going to have a very different powerband than the one coming out, a torque converter with a more aggressive stall speed is likely to be the more desirable way to go. Cam Duration @ .050: 204 deg. Turns out the pins on the connector for the crank sensor was incorrect. Thread starter CM1SCW; Start date Jan 6, 2021; G-Body Make/Model Specific. 86 SS 6.2l LS3, Ilmor intake, Summit Stage 4 Cam, Stainless long tube headers, Stainless 3in exhaust, Tremec T-56 Magnum 6 speed, Eaton Truetrac 8.8 LSD, UMI Cornermax Front Suspension, 3-link Rear suspension w/ UMI Control Arms, UMI Front & Rear Braces, Brembo Brakes. Chevrolet Performance LS3 430 HP Engine with 6L80E 6-Speed Auto The Fora platform includes forum software by XenForo. Any adjustments to shift feel and shift patterns require reprogramming the TCM that is inside the transmissions. Displacement: 376 CID, 6.2L Build your own custom newsletter with the content you love from Chevy Hardcore, directly to your inbox, absolutely FREE! When you purchase through links on our site, we may earn an affiliate commission, which supports our community. All ls drivetrains are pretty reliable, basically a chevy engine, somewhere near 400 hp STOCK. We are always looking at ways to introduce current production components into our performance parts portfolio that make sense and that customers want, Sampsel explains. Car is at the shop and engine, transmission, gas tank and steering box removed. 1969 Mustang Sportsroof - sold 1969 Camaro Z28 Build LS3 w/ 6L80 Swap - Pro-Touring.com 2007 Black: IEATSRT8 CAI, Efans, PCMforLess trans cooler, Corvette 2nd Servo, Baer 6 Piston calipers and 14in rotors front and rear, Kooks1 7/8 Headers, and Circle D converter STILL sitting on shelf in garage! Come join the discussion about performance, builds, restoration, modifications, classifieds, troubleshooting, reviews, and more! Whatever setup you get, you will need the Pedal, Tac Module (Depending on year).. and ecu from the pullout. These GM kits comes with the necessary hardware to directly bolt the transmission to the Gen 1 and 2. Some folks feel transmissions are nothing more than the rear engine mount, concludes Sampsel. Check if this part fits . Related Products. TCIs EZ-TCU is designed to be a simple, plug-and-play system to control 4L60E and 4L80E style transmissions that also offers a large degree of programmability should the owner so desire. Though aftermarket support for all aspects of doing an LS swap in popular vehicles is good and growing (Holley is a good example), you can expect some level of fabrication and adaptation will be necessary. T. CPP Engine Controller and Harness 86 Monte Carlo LS swap - MonteCarloSS.com Message Board The samecan be said for TH400 and 4L80/85. (ECM IS NOT INCLUDED)**, LS3 (58X) With 6L80E/6L90E Engine Controller Kit. . What year is it? The guys seems honest and straightfoward but you can't trust anyone these days Oh and side note I've score a lsa super charger from a local salvage yard for a great deal so its got me all fired up and ready to start my "little" project, Well I picked up the motor last night and im as excited as a kid on Christmas. Powertrain warranty is through GM Performance Parts. After having my '78 for 9 years I finally decided to do the engine/trans swap. Whether youre re-using an existing three-speed or getting a freshly-built one, choosinga mechanical overdrive transmission or going all in with an electronically-controlled gearbox, the task of strapping the right automatic to an LS is easier than its ever been. TCI offers the EZ-TCU that includes a handheld interface to allow programming without a laptop. Any tips? The six- and eight-speed autos are a totally different technology and have unique challenges that would have to be overcome to make them a good hot rodding product., Its very important to flush the transmission cooling system when swapping from one transmission to the next, warns Winstead. GM LS3 430HP Engine and 6L80E Package Includes: The LS3 is filled with components designed for high performance and longevity. Even though you cant pop the floor and show off your transmission at the car show [like you can pop your hood to show off the engine], picking the right transmission package for your hot rod is key to enjoying the drive to and from the car show. Gen III Chevrolet Engine 6L80E/6L90E 6 Speed Conversion Kit. Add to cart. 2011 Camaro SS LS3 L99 engine w/Automatic 6L80 transmission & computer harness. What about the shifter. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Free shipping for many products! LS Engine SWAP IN A BOX KIT for LS in 67-69 Camaro or Firebird with Auto Trans Raw Headers Stainless Steel 42211 . 1967-72 GM C10 2WD LS Swap System - Holley The 6 is a little bigger & has a bigger yoke. :coolthumb: I wouldn't trust a transmission or converter from TCI, personally. Save. Jul 6, 2018 #2 M. Madmike72 Veteran Member. ','@'); } document.getElementById('ea3d8eb223c92efdb063').appendChild(document.createTextNode(ea3d8eb223c92efdb063())); Orders may take longer than usual to process due to manufacturers having issues receiving and shipping parts. Passenger Side RH Oil Dipstick and Tube 2014 Chevrolet SS 6.2L LS3 Engine w/ 6L80E 6-Speed Automatic - eBay LS3/L99 4th Generation using E38 PCM. What happens to the cluster indicator? Got the fuel rails & injectors with it? I put a 6.2 L L92 with a 4L80E in my 65 SS last summer. LS3 swap Connecting Rods: Powdered Metal Steel Gen I and II Chevrolet Engine 6L80E/6L90E 6 Speed Conversion Kit Whats The Reason Enthusiasts Cant Get, Yes I Am A Dinosaur, And Why I Feel Electric Cars, Rare Rides: The 1969 Chevrolet Camaro COPO, click here to download your own 2016 copy, https://www.chevrolet.com/performance/overview, SPEC Clutches: For That Next Engine Swap Or OEM Upgrade, Shop Tour: Brian Tooley Racing Expands To Be A One-Stop Shop, Moroso Anti-Roll Kit Is The Right Tool For The Dragstrip, Why You Need A Proper Fuel Tank Vent In Your Ride, Fenix Is A Next-Gen 69 Camaro With 1,180 Horsepower. The 30 MPG is tough to get to with a 450HP to the wheels, no matter what. Chevrolet Performance Supermatic four-speed automatic transmissions, torque converters, and control systems are manufactured with the most new and best quality components in the industry, says Sampsel. Per Winstead, You can have a converter custom-built for the application, or you can change the flexplate to one that has the correct bolt pattern and accommodates the different pilot length of the older type torque converter.. You are using an out of date browser. If it's not a slip yoke already it will have to be converted. so got the motor to fire up. Everything related to the interior and exterior of your vehicle can be found here. I'm sure I recall a member here who started doing a 6L80 installation. Find many great new & used options and get the best deals for 2012 camaro 1ss LS3 6.2L V8 L99 Engine 48k miles with 6L80 transmission at the best online prices at eBay! How about we start a list of future TBM offerings requested? LS3 packages do not include fuel rail covers, exhaust manifolds, downpipes, or catalytic converters. Jul 30, 2018. i was looking at the pricing and there is a ton of stuff to choose from. With Chevrolet Performance's Connect & Cruise combinations, it's never been easier to pick your project powertrain! Holley recommends 3.0/3.5 driveline angle. I havent found any write ups on anyone using it yet. Don. Winstead points out, The TH400 and Powerglide can be built to be significantly stronger than a 700R4 or 4L60E transmission. My friend I grew up with who is helping me with the build is a sharp dude when it comes to building cars, but I'd certainly like to hear from someone that's installed the 6L80 in a model like mine. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. This can be accomplished by using HPtuners or EFIlive, just to name a couple. . techsupport@psiconversion.com. just go . LS3 430HP Connect & Cruise Crate Powertrain System W/ 4L65-E. $17,606.35 . Everything from OE brake upgrades to complete bolt in rear end packages! IF YOU CAN,T SMOKE THE TIRES AT WILL,FROM A 60 MPH ROLLING START YOUR ENGINE NEEDS MORE WORK!!"! Chevrolet Performance LS3 6.2L 495HP Engine 6L80E 2WD or 4 Wheel Drive :chair: Seriously thoughthe other day I saw a C5 rear end and thoughthmmmmif BMW and Porsche can have independent suspensions:juggle[1]:and a manual trans. Thanks for the response ill see if i can post up pics at another site. 1 3/4 Kooks w/cats, Jettstream cai, L9H Intake, LS3 heads , Z06 cam. Apr 11, 2013. Sep 23, 2010. you can get the 6.2 and convert it to an ls3 with the lifters, cam, and other things. Aluminum Water Pump PCSSFT4000 - 6L/8L Shifter Pigtail Harness. LS Swap | C2-C3 Corvette | 68-82 Corvette - 824 Motorsports LS2-LS3 (Gen 4) Engine - Haltech Support Center Chevrolet Monte Carlo / Monte Carlo SS / Malibu . Read this post guy managed to get it to fit the tunnel. This Chevrolet Performance 6L80E Transmission Package is designed for "Plug and Play" use with Chevrolet Performance LS engine controllers. The new Camaros with a LS3 weigh in around 4,000lbs. Chevrolet Performance is breaking new ground with the launch of the new Connect-and-Cruise crate powertrain systems. 72 Nova Turbo 5.3 - goal 650whp. LS3 with 6L80e swap into a 4th gen Camaro - HPTuners We offer LS and LT swap conversion harnesses for all LS / LT engines including LS1, LS2, LS3, LS6, LS7, LSA, LS9, LQ4, LQ6, L99, Gen 5 V8, LT1, LT4, Vortec L83 L86 variants. Also if you want to put custom guages in your 90-92 camaro . 1967 Camaro LS3/6L80e swap kit - Pro-Touring.com If you need to know if a part is in stock, please call prior to placing your order. Description Package includes: . The LS3 is filled with components designed for high performance and longevity. The Fora platform includes forum software by XenForo. For owners of classic musclecars already equipped with a serviceable, original automatic, this will be the simplest (and least expensive) solution when doing an LS swap. ..im ready to start the transplant. How-to: Automatic to Manual A4 to M6 Transmission Swap Tremec T56 MAGNUM-F Transmission 6-speed for 04-06 GTO TUET16363 - Wide Ratio 2.97 First Gear. I was all set to go with the 6L80 until I saw folks mentioning that it would not fit. I'm going with a gen 5 454 and I'm trying to decide between a 700R4 and the 6L80E. LS Swap Automatic Transmission Guide - Chevy Hardcore Chevrolet Performance 6L attachement Kit, Chevrolet Performance GM LS3 430HP Crate Engine Includes: LS3 430 HP - IN STOCK !!: GM Performance Motor It's no surprise that enthusiasts and builders have made it one of the most popular LS swap engines. As for electronics, GM did make some notable changes. 2016 Chevrolet SS 6.2L LS3 Engine w/ 6L80E 6-Speed Automatic Trans 22K Chevrolet Performance LS3/430 HP Connect and Cruise, 6L80E Trans The fluid level is critical as well: make sure that the transmission is not underfilled.. Engine harness for LS2/LS3 Vortec 58 tooth engine shown. 6L80e to 4L80e swap - HPTuners I know this is an older post but is there an update to this thread? In Stock, Plug and Play wiring harness for your . Theres never a bad reason to do an LS swap. 2008 - 2015 LS3 (6.2L) Standalone WIRING Harness W/6L80E - PSI Gen III Chevrolet Engine 6L80E/6L90E 6 Speed Conversion Kit - Zero Gravity Performance. You are looking for used? A forum community dedicated to Chevy El Camino owners and enthusiasts. Quote from: Turbo95max on July 18, 2011, 10:06:40 PM. I need some real guidance as I'm ready to order the trans this week. I understand that Cadillac has had some reliability issues in the last few years. We include a sensor that mounts to the Holley carbs we currently sell with our crate engines, and it is simple to install and does not need in-depth set up. The 4L60 and 4L80 families of transmissions are considered the small-block and big-block Chevys of the transmission world Rusty Samples, Chevrolet Performance, Chevy Performances Rusty Sampsel explains the lineage of GMs overdrive automatics: The 4L60/65/70 are basically a TH350 with the overdrive added, and the 4L80/85 are a TH400 with the overdrive added, he explains. 08 - '14 LS3 (6.2l) W/ 6l80e Standalone Harness, Customers Also Purchased These Related Items, Cruise Control For GM LS Drive-By-Wire Engines (Gen IV), E38 LS3/L76/Vortec Engine PCM Programming Service (2006 - Newer) Customer Supplied PCM **PROGRAMMING FOR E38 ECM. The Fora platform includes forum software by XenForo. The GM Generation I and Generation II (LT) engine families are both derived from the longstanding Chevrolet small block V8.The Generation III small-block V8 was a "clean sheet" design, which replaced the Gen I and Gen II engine families in 2002 and 1995 respectively.. Like the previous two generations, the Buick and Oldsmobile small blocks, the Gen III/IV can be found in many different brands. We supply a remote TPS kit if needed. I followed an 02 Camaro wiring diagram and the wire colors matched the pins in the connector. Intake / 211 deg. He told me about his progress, but I not an expert on tunes. The powerplant is mated to a General Motors six-speed automatic gearbox to help with quick shifting and . Unlike GMs factory six-speeds, which are double overdrive with both fifthand sixth gears under 1:1 ratio, TCIs 6X has a true 1:1 fifth and 0.75 overdrive sixth, bringing the first four gear ratios closer together. My truck has a cam, headers, intake, etc. Today ater a 12 hours round trip I picked up a totalled 2011 Escalade with 149,xxx miles. Can i also get pics as im doing the same thing. The TH350 utilizes a kickdown cable, while the 700R4 uses whats called a TV cable; for carbureted LS engines, appropriate hardware to adapt the carburetors throttle lever and mount the cable to the intake manifold is available from a number of sources, including Holley and TCI. The three-speed TH350 (left) and four-speed 4L60E are dimensionally similar and share a common family tree. Most vehicles that were factory-equipped with the TH350 wont need any substantial modification to accept the overdrive 4L80E. 2016 Chevrolet SS 6.2L LS3 Engine w/ 6L80E 6-Speed Automatic Trans 22K Miles. Yeah Wayne is more into reworks of stock harnesses. Interested in any updates on anyone who has done the zerogravityP 6l swap. This thread will mainly be my experience of actually ONLY putting the engine and trans in the car and the modifications i need to make it all fit. I have a 10 L 90 transmission for a Bonneville project and its no bigger, Corvette Forum : DigitalCorvettes.com Corvette Forums. Note that Harnesses are for non-emissions equipped vehicles and do not include air pump or EGR provisions. Swapping to the LSx drastically transforms the RX8 into an effortless 4 . See more ideas about 1957 chevy bel air, chevy bel air, new engine. General Motors LS-based small-block engine - Wikipedia Gen V L83 L86 6L80E/6L90E Stocker Series Standalone Harness