Note that many 1993 and earlier 4L80E transmissions had a different connector – this unit uses the later style that was used in most 1994 and later transmissions.
4l80e transmission full#
This can be used as a standalone transmission control solution with minimal wiring involved, but was designed to be a full plug and play, zero wiring solution with our 24x & 58x harnesses. Includes wiring for the input shaft speed sensor. Seamlessly control your 4L80E transmission with AMPEFI Transmission Control! The supplied 4L80E subharness provides a simple, plug and play integration with MS3Pro and directly mates with our LSx drop on harnesses a perfect fit for GM 4L80E transmission.
4l80e transmission free#
If you have any questions feel free to call 1-88, or email us at We also have Live Chat during business hours located in lower right corner of this webpage.Description 4L80E Plug and Play Transmission Control While shipping is still included in the transmission price, you must have access to a loading dock and/or a forklift to receive this unit.
Unlike our other units, 4L80E transmissions must be shipped by truck freight. If you have a special application requiring a special adapter or output shaft, please contact us and we will be happy to provide it and quote a price for your special application. 4L80E 1991-1994 2WD TRANSMISSION 5.7L 6.2L 6.5L 1599.99 Product Details View Product 4L80E 1991-1994 4X4 TRANSMISSION 5.7L 6.2L 6.5L 1599.99 Product Details View Product 4L80E 1995-1996 2WD TRANSMISSION 5.7L 6.2L 6.5L 7.4L 1599.99 Product Details View Product 4L80E 1995-1996 4X4 TRANSMISSION 5.7L 6.5L 7.4L 1599.
This transmission will support up to 1000 RWHP.Īll units are available in either 2wd or 4X4. If you purchase a torque converter from us you will automatically get the 2 Year Warranty Upgrade. This option provides you a 2 Year Warranty on your PerformaBuilt transmission for an additional $300. This transmission comes with a 1 Year Warranty. The heavy duty setup is for maximum hold with minimal “shift shock”, while Performance units are set for a more aggressive race feel, while maintaining a progressive shift that increases in firmness as you add more throttle.”Įach unit comes with a PerformaBuilt warranty according to the terms listed on our warranty page. This kit is custom set to the type of unit purchased. Our own PerformaBuilt shift kit is installed in the valve body. Special modifications are made to increase cooling and planetary lubrication. The Pump is carefully inspected and reconditioned for maximum durability and pressure. The low sprag is replaced with a heavy duty type and the low/reverse band is replaced with either a performance band, or a heavy duty band for our heavy hauler applications. It will hold up significantly better to engine braking. This is mostly valuable in heavy duty truck applications, since this band is used to hold back when the transmission is manually put into 2nd gear while descending steep grades, etc. The intermediate overrun band is replaced with a heavy duty unit. These frictions exceed anything on the market for “performance street/strip” and “heavy duty” applications and are more than suitable for any application. But durability is significantly increased.įor the intermediate, direct and overdrive clutches we use the Raybestos Stage 1 Performance Friction Plates. These modifications will also result in a much firmer apply-into-gear from neutral/park to reverse/drive. “Dished” cushion plates in these units are replaced with the TH400 style plates for additional reliability. The drums are then modified to accept additional friction plates and the apply area it self is altered to allow use of the entire piston area for apply in the forward drum. The forward and direct clutch friction plates are replaced with heavy duty performance friction plates. The intermediate clutch sprag consists of an extreme duty intermediate sprag and roller assembly with specially prepared race and spiral ring, to prevent high RPM snap ring release. Then it is coated with a special heat and oil resistant paint making for a very tough finish and a clean look.īushings are replaced and sized as needed to performance specifications.
The case is carefully inspected, cleaned and re-inspected. The unit is disassembled, each part carefully inspected and clearances are measured to meet our specifications not just the maximum clearance allowed by GM. Below is the breakdown of the Performance 4L80E build. Each of these units features all the latest upgrades and high quality materials for assembly. We start with only late model cores for our performance line and application based core for our heavy duty line (Heavy Hauler). This was our first 1000HP transmission offered at PerformaBuilt. Shipped only to Commercial/Business Locationsĭue to a current shortage of available core units, we will need your core to build.
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