Ls Swap Gmt400I have done 4 ls swaps into gmt400's. These harnesses include the Gen II LT1/LT4, Gen III (24x) LS1/LS6 and Vortec Truck Engines as well as Gen IV (58x) LS2, LS3, LS7, & Vortec and GEN V LT. JMHO, but could be wrong skyactiv Joined Mar 2, 2013 Messages 10,762 Location The Midwest Mar 1, 2022. LS Swap Wiring Harnesses & Swap Kits | Wiring Specialties. Exploring the GMT400: A Deep Dive into the Iconic Truck Platform Engineering, Build, and Design. Allows for proper function of Torque Converter Lock-Up function. Oil pan: Lowered guys have to use an f body LS1 pan. Swapping an LS engine into an older vehicle has its challenges, this guide will simplify your oil pan choices and get you up and running sooner! Follow along as we show you how to install an LS-swap. American Powertrain has a GMT400 kit that will hook you up with a TKO five speed or T56 Magnum six speed, depending on your power level. 1996-00 OBS GMT400 Gen3 LS Swap Information LT1SWAP. A GMT 400 is the chassis for the Chevrolet C/K and GMC Sierra full-size pickup trucks that were produced from 1988 to 1998 by General Motors. How to build a LS performance platform and swap it into anything, as demonstrated by MJE Version 1 This thread will cover every aspect of a thorough build and will hopefully answer a lot of the frequent questions I get and be a single resource to those interested in LS performance or swaps. LS Swap Wiring Harnesses & Swap Kits | Wiring Specialties. One vitally important thing to consider is fuel delivery. 1967-72 GM C10 2WD LS Swap System. 0-liter LS engine straight out of a 2003 Silverado 2500 HD. Gmt 400 LS swap in 1 week 1,464 views Dec 24, 2020 Throwing in an engine and trans with over 300k into a truck I call OL Blacky. Return style LS swap kit - Found HERE. American Powertrain has a GMT400 kit that will hook you up with a TKO five speed or T56 Magnum six speed, depending on your power level. 99 View Item Other Swap Parts - GEN V LT Swap Oil Pan - PAN-LT-BLK - Fan Relay Kit - KIT-1010. By feeding 12v+ on the supply leg, and hooking the Brake Switch Signal wire to the normally closed leg, you will now have the correct signal for the PCM. Swapping an LS engine into an older vehicle has its challenges, this guide will simplify your oil pan choices and get you up and running sooner! Follow along as we show you how to install an LS-swap oil pan, and outline which you'll need for your build. GM LS Swap Oil Pan Black - Additional Front Clearance Provides maximum clearance to the engine crossmember. These headers are one part of a fully engineered swap system for. As you can see by the listing, I am selling my 1991 Silverado. 1996-2000 OBS / GMT400 Gen3 LS Swap Info. 3 of them were into 1998 trucks. For a return style swap you will require a 30FT kit to be able. Flywheel: Sachs 1050 is the cost effective way to go but you will need to remove the dowel pins and use metric bolts to mount the pressure plate. I have a lot of pictures so please be patient and let them load. Using factory gauges for LS swap | GMT400 - The Ultimate 88-98 GM Truck Forum Forums Street and Track Engine Performance + Maintenance LSX + Carb Swaps Using factory gauges for LS swap Chevyboi93 Jan 11, 2022 1994 k1500 gauge cluster ls swap wiring harness. This section is for info on LSX or carburetor swaps into the OBS trucks. JMHO, but could be wrong skyactiv Joined Mar 2, 2013 Messages 10,776 Location The Midwest Mar 1, 2022. How to build a LS performance platform and swap it into anything, as demonstrated by MJE Version 1 This thread will cover every aspect of a thorough build and will hopefully answer a lot of the frequent questions I get and be a single resource to those interested in LS performance or swaps. From 1990-94, GM offered a cult legend, the 454 SS. I am taking apart the stock 1998 4. LT1 Swap PCM Reprogramming Services I will reprogram PCM, ECM, TCMs for engine swap applications. The Modular Truck spindles are also ABS-ready for ’95-’98 factory equipped trucks. 3 push button 4wd swap Been working on a 5. I will try to be as descriptive as possible. I was asked to make vid for how I connected the shifter. LS swap advice | GMT400 - The Ultimate 88-98 GM Truck Forum Forums Street and Track Engine Performance + Maintenance 96+ Vortec Performance +. Up till 95 these trucks have a DRAC this interprets the signal before the computer ever sees it. Vehicles supported include 1993-97 LT1 and all 1996-2013 Trucks, Camaro, Firebird, Corvette. GMT400 is the GM platform itself. Those who are astute will say, "waitthat's a 1994 Grille and that gauge cluster does not come in a 1991 1/2 ton. It is similar to the A Body, B body, etc. 1996-2000 OBS / GMT400 Gen3 LS Swap Info. They've also got the flywheel, clutch assembly,. The 700R4 transmission that came with your GMT400 truck from the factory has a 27-spline output shaft. By feeding 12v+ on the supply leg, and hooking the Brake Switch Signal wire to the normally closed leg, you will now have the correct signal for the PCM. Speartech Fuel Injection Systems (765) 378-4908 www. Gmt 400 LS swap in 1 week 1,464 views Dec 24, 2020 Throwing in an engine and trans with over 300k into a truck I call OL Blacky. LS Swap 1988-2000 Chevrolet C1500 - LS Swap GM's 4th Generation pickup was built on the GMT400 platform and available with multiple versions of the ubiquitous small-block V8. 1991 Silverado c1500 LS Swap gmt400. depending on the truck and the final outcome you are wanting. Time to fix that! The block for this serious swap is a 6. 2K Share 92K views 4 years ago stripping out all the engine controls from. Using factory gauges for LS swap | GMT400 - The Ultimate 88-98 GM Truck Forum Forums Street and Track Engine Performance + Maintenance LSX + Carb Swaps Using factory gauges for LS swap Chevyboi93 Jan 11, 2022 1994 k1500 gauge cluster ls swap wiring harness. You can use that 700R4 with a 4. 2 of the 98's I left the original 5. LS Swap 1988-2000 Chevrolet C1500 - LS Swap GM's 4th Generation pickup was built on the GMT400 platform and available with multiple versions of the ubiquitous small-block V8. I miss my GMT400 Days of cheap LS swaps are kinda over, junkyards are up to speed on LS popularity. 1996-00 OBS GMT400 Gen3 LS Swap Information LT1SWAP. Looking for an Affordable, In Stock, Plug and Play wiring harness for your LS Swap? PSI sells Standalone Wiring Harnesses for GM Gen II, III, IV, & V LS/LT based engines and transmissions. 1988-99 GMT400 has been nicknamed OBS for Old Body Style after the Chevy Silverado 1st generation (GMT800 1999-2006) was released and they nicknamed them New Body Style (NBS). Finally the Hot Rod fuel hose return style LS engine swap kit will complete the needed parts for your OBS 1988 to 1998 GM or Chevrolet LS swap. These are the PCM Pinouts for the 1998 4. LS engines need at least 58 psi of fuel pressure for optimum performance. " You would be correct, a gold star for you. 1978-88 GM G-Body LS Swap System. American Powertrain has a GMT400 kit that will hook you up with a TKO five speed or T56 Magnum six speed, depending on your power level. LS Fest West 2023, Sponsored by eBay Motors: Complete Coverage From Las Vegas Motor Speedway. LQ4 4L80E NP241 swapped into a 1991 GMC K1500 pickup GMT 400. 1968-72 GM A-Body LS Swap System. 1996-2000 OBS / GMT400 Gen3 LS Swap Info These are the PCM Pinouts for the 1998 4. I was asked to make vid for how I connected the shifter. Truck has a lot of memories for me and my wife, and is lovingly named Jackson. GM LS Swap Oil Pan Black - Additional Front Clearance Provides maximum clearance to the engine crossmember. LQ4 4L80E NP241 swapped into a 1991 GMC K1500 pickup. If changing just the gears you can modify the DRAC with jumpers. 1996-2000 OBS / GMT400 Gen3 LS Swap Info. 1991 Silverado c1500 LS Swap gmt400. LS swap | GMT400 - The Ultimate 88-98 GM Truck Forum Forums Street and Track Engine Performance + Maintenance LSX + Carb Swaps LS swap zachary A makoff Aug 24, 2021 Disclaimer: Links on this page pointing to Amazon, eBay and other sites may include affiliate code. 1988-1999 Chevrolet K1500 - LS Swap. The important thing is that the knowledge and any required parts to mate his existing 4L60 to an LS which makes a swap easier and cheaper to pull off. K10, K20, K30, K1500, K2500, and K3500. 1968-74 GM X-Body LS Swap System. If you click them and make a purchase, we may earn a small commission. A more realistic starting budget is around $1500 to $2000 for a basic swap using a common truck engine, factory exhaust manifolds, and your existing front crossmember and rear axle. There should be enough here to get you going in the right direction. 1964-67 GM A-Body LS Swap System. This 1997 Chevy GMT400 was extremely well maintained by the original owner and sold to a hardcore gearhead with high standard and an attention to detail. Cast and machined aluminum INCLUDES: Sump baffle, OE style pick-up tube, sump plug, oil filter stud, oil passage cover, etc. Even a stock LS drivetrain generally has a better transmission calibration than the GMT400 though, and of course a driver who isn't mechanically sympathetic could probably break a new 4L60 with a 305. JMHO, but could be wrong skyactiv Joined Mar 2, 2013 Messages 10,669 Location The Midwest Mar 1, 2022 #7 Miller88 said:. Holley and Hooker have partnered together to offer the most. When the brake is pressed, 12v+ flows to brake lights, tap into this wire, and run it to the relay to turn the relay on. Cast and machined aluminum INCLUDES: Sump baffle, OE. Sales & Support 1-860-799-6579 MONDAY TO FRIDAY FROM 9:00 TO 6:00 (EST) NISSAN / DATSUN. Where to look: 1999-2004: Chevrolet Express/GMC Savana, Chevrolet Silverado 2500, Chevrolet Suburban/GMC Yukon XL Denali, Hummer H2. 3l harness and stripping everything from it I don't want to use. At the moment, these trucks are relatively cheap to pick. Gmt 400 LS swap in 1 week - YouTube Throwing in an engine and trans with over 300k into a truck I call OL Blacky. 1991 Silverado c1500 LS Swap gmt400. From there separate lines goto CPU, Speedo, ABS. 1993 Yukon with 330k hard long miles. Exploring the GMT400: A Deep Dive into the Iconic Truck Platform Engineering, Build, and Design. 3 swap for the old Yukon. Assuming it is a 2wd truck, the VSS sensor that would drive the speedometer is on the tailshaft of the transmission. LS Swap 1988-1999 Chevrolet K1500 - LS Swap GM's 4th Generation pickup was built on the GMT400 platform and available with multiple versions of the ubiquitous small-block V8. I miss my GMT400 Days of cheap LS swaps are kinda over, junkyards are up to speed on LS popularity. The GM LS engine has quickly become the high-performance standard in the performance aftermarket. This section is for info on LSX or carburetor swaps into the OBS trucks. Other route, turn down the 400 temperature sensor and rethread it for the metric (I believe M12x1. LS Swap into 88-98 GM Truck We have always wanted to build a 88-98 sport truck, and with the popularity of these trucks coming back, now was the perfect time. A GMT 400 is the chassis for the Chevrolet C/K and GMC Sierra full-size pickup trucks that were produced from 1988 to 1998 by General Motors. 1996-00 OBS GMT400 Gen3 LS Swap Information LT1SWAP. Days of cheap LS swaps are kinda over, junkyards are up to speed on LS popularity. its sits like a title holder but performs like an amature. 1988-99 GMT400 has been nicknamed OBS for Old Body Style after the Chevy Silverado 1st generation (GMT800 1999-2006) was released and they nicknamed them New Body. LT1 Swap PCM Reprogramming Services I will reprogram PCM, ECM, TCMs for engine swap applications. 1993-2002 GM F-Body LS Swap System. 1995-2000 C/K Truck (GMT400) | johnscustomwiring Uses factory under hood fuse box and puts the PCM in the same location as the stock black box computer. 00 (13) APPLICATION: GM OVERDRIVE TRANSMISSION RETROFITS PARTS INCLUDED: TWO POSITION BRAKE SWITCH, PIGTAIL, INSTRUCTIONS NOTES: This kit is necessary when using any GM overdrive transmission in an older vehicle. LQ4 4L80E NP241 swapped into a 1991 GMC K1500 pickup GMT. Even a stock LS drivetrain generally has a better transmission calibration than the GMT400 though, and of course a driver who isn't mechanically sympathetic could probably break a new 4L60 with a 305. I bought a 2005 GMC Sierra for $1400 that came with a PSI harness and a set of dirty dingo engine mounts. LS swap | GMT400 - The Ultimate 88-98 GM Truck Forum Forums Street and Track Engine Performance + Maintenance LSX + Carb Swaps LS swap zachary A. Here is some information for LT1, LS1, Vortec 4. For a return style swap you will require a 30FT kit to be able to run both the feed and return to the factory fuel rails found on the LS engine. LS Swap Info LT Swap Info Gen III-IV-V Engine Designations LS Oil Pan Information LT Oil Pan Information GM Non Chevy Applications VVT and non VVT Chevy Truck 4WD 1963-99 GM Truck 4WD GM Truck 4WD- 1963-72, 1973-87, and 1988-99 trucks and SUVs. Modifying Your GMT400’s Transfer Case for Use with a 4L80E. The LS swap sounds like it wouldn't cost much more if at all using factory used EFI vs. This includes removal of Anti-Theft or VATS, changes to fan on and off temps, injector part number, segment swaps for 4L60e to 4L80e conversions. Swaps that require fabricated oil pans, aftermarket crossmembers, or rear suspension overhauls can set you back considerably more. com Complete powertrains, transmission, wiring and gauge solutions for swapping between 24x and 58x LS engines. With this in mind - a K2500 GMT400 with a Procharger on. How to build a LS performance platform and swap it into anything, as demonstrated by MJE Version 1 This thread will cover every aspect of a thorough build and will hopefully answer a lot of the frequent questions I get and be a single resource to those interested in LS performance or swaps. LS Swap 1988-2000 Chevrolet C1500 - LS Swap GM's 4th Generation pickup was built on the GMT400 platform and available with multiple versions of the ubiquitous small-block. LS Swap Info LT Swap Info Gen III-IV-V Engine Designations LS Oil Pan Information LT Oil Pan Information GM Non Chevy Applications VVT and non VVT Chevy Truck 4WD 1963-99 GM Truck 4WD GM Truck 4WD-. Gmt 400 LS swap in 1 week - YouTube Throwing in an engine and trans with over 300k into a truck I call OL Blacky. Speartech Fuel Injection Systems (765) 378-4908 www. The LS mounting for the A/C puts the compressor where it will hit the passenger side frame rail. At the moment, these trucks are relatively cheap to pick up, and can be found with full power, AC, tilt, etc. GM LS Swap Oil Pan Black - Additional Front Clearance Provides maximum clearance to the engine crossmember. aftermarket bits to fix the Vortec 5. These mid-length headers provide enough flow for stock and mid-level engine performance, and are made from 304 stainless steel for strength & corrosion resistance. 2K Share 92K views 4 years ago stripping out all the engine controls from the 1998 engine harness, and. LQ4 4L80E NP241 swapped into a 1991 GMC K1500 pickup GMT. there are various ways to do it. This 1997 Chevy GMT400 was extremely well maintained by the original owner and sold to a hardcore gearhead with high standard and an attention to detail. I miss my GMT400 Days of cheap LS swaps are kinda over, junkyards are up to speed on LS popularity. Swapping an LS engine into an older vehicle has its challenges, this guide will simplify your oil pan choices and get you up and running sooner! Follow along as we show you how to install an LS-swap oil pan, and outline which you'll need for your build. 0-liter LS engine looks menacing and roaring to rip. 5-inch drop spindle for GMT400 GM C/K 1500 2WD truck and SUV models features an OEM style GMT800 sealed hub conversion in dual 5×5, 5×4. With this in mind - a K2500 GMT400 with a Procharger on the ol' small block (to me) seems like a better option. This section is for info on LSX or carburetor swaps into the OBS trucks. LS Swap into 88-98 GM Truck We have always wanted to build a 88-98 sport truck, and with the popularity of these trucks coming back, now was the perfect time. The C (RWD) and K (4WD/AWD) full-size trucks had this classification for the first time. The LS mounting for the A/C puts the compressor where it will hit the passenger side frame rail. You will be alright, because you have not changed transmission or gears. This VSS sensor would then drive the DRAC module under the dashboard, which adjusts the pulse rate and outputs the new VSS pulse to the speedometer, cruise control, and ABS system. 1973-87 GM C10 2WD LS Swap System. LS Swap 1988-1999 Chevrolet K1500 - LS Swap GM's 4th Generation pickup was built on the GMT400 platform and available with multiple versions of the ubiquitous small-block V8. Finally the Hot Rod fuel hose return style LS engine swap kit will complete the needed parts for your OBS 1988 to 1998 GM or Chevrolet LS swap. GM's 4th Generation pickup was built on the GMT400 platform and available with multiple versions of the ubiquitous small-block V8. 7 LS swap, but most professionals will tell you that you should use a 4L80E if you're swapping in anything bigger, especially if you're building it up for more power. com Sep 17, 2022 #3 Schurkey Supporting Member Supporting Member Joined Jan 14, 2018 Messages 7,757 Reaction score 8,753 Location The Seasonally Frozen Wastelands And perhaps a moderator will move this thread to that forum. LS Swap into 88-98 GM Truck We have always wanted to build a 88-98 sport truck, and with the popularity of these trucks coming back, now was the perfect time. Customer must ship the C/K harness and the LS harness from the engine there swapping. Specs: Rated at 300 horsepower to 325 horsepower and 360 lb-ft to 370 lb-ft from the factory. The important thing is that the knowledge and any required parts to mate his existing 4L60 to an LS which makes a swap easier and cheaper to pull off. The 700R4 transmission that came with your GMT400 truck from the. 1982-92 GM F-Body LS Swap System. 7 vortec harnesses installed in the trucks and double sensored the ls engine so the dash gauges would work and the ls was stand …. 3 push button 4wd swap Been working on a 5. Some of these I have pictures of completed harnesses I have modified for easy installation. If you really want to retain it you can notch the frame. LS Swap Info LT Swap Info Gen III-IV-V Engine Designations LS Oil Pan Information LT Oil Pan Information GM Non Chevy Applications VVT and non VVT Chevy Truck 4WD 1963-99 GM Truck 4WD GM Truck 4WD- 1963-72, 1973-87, and 1988-99 trucks and SUVs. LS Swap Wiring Harnesses & Swap Kits | Wiring Specialties. Other years 1996-2000 will be similar, you will have to use your judgment. Whether you needed to haul a trailer, get off the grid, or rip down the 1320, GM had a C/K1500 for you. platform name but it is also year specific. 7 (or a 383) is pretty darn cheap, and both would outperform a stock 4. 3 swap for the old Yukon. Using factory gauges for LS swap | GMT400 - The Ultimate 88-98 GM Truck Forum Forums Street and Track Engine Performance + Maintenance LSX + Carb Swaps Using factory gauges for LS swap Chevyboi93 Jan 11, 2022 1994 k1500 gauge cluster ls swap wiring harness. Read More Quantity - + Add To Cart SKU: KIT-1002 Add to wishlist. 1989-98 Nissan 240SX LS Swap System. 1996-00 OBS GMT400 Gen3 LS Swap Information LT1SWAP. GMT-400 5. (custom PCM/ECM locations can be ordered) All gauges work just like factory. Finally the Hot Rod fuel hose return style LS engine swap kit will complete the needed parts for your OBS 1988 to 1998 GM or Chevrolet LS swap. 98 Camaro 3 wire (ground, gauge, pcm) but many have issues with it reading 20-30 degrees low.