How Much Power Can a Stock 4L60E Transmission Handle. Stamped Steel forward clutch apply pistons. Keep in mind that the goal is to increase the torque capacity to handle 400-500 horsepower. The 4L60E is capable of handling up to 700 horsepower. It's available in the 700R4, 4L60E for LT-1, 4L60E for LS1/LSX, 4L65E and 4L70E. As a rule, always lay out the high-performance parts on an assembly bench in order to ensure that you do not miss out on the parts that are in dire need of enhancement. One of the most common ways to strengthen a 4L60E transmission is to install a heavy duty output shaft. Thus, it should be what you're out to get while building your 4L60E transmission. This is similar to option 1, but instead of just replacing a few key components, you're rebuilding the entire thing using stronger materials throughout. Here you can see the four-pinion planetary (right) next to the stronger five-pinion version (left). Let me repeat, stock transmissions (and that 4L60E with a shift kit really is still stock where it counts) are designed to reside behind relatively stock engines. All units are available in either 2wd or 4X4. How Much Power Can a Stock 4L60E Handle. Raybestos high-performance frictions are known to provide a firmer grip and without slippage. The latter could potentially lead to the 700R4 transmission being burnt.
How Much Horsepower Can A Stock 4L60E Handle
However, Teflon sealing rings are harder to install even though they are tougher and do not break like iron. The OEM sun shell is replaced with a Sonnax Smart Shell (right). Much of what PerformaBuilt does to the valvebody is classified, but they perform a number of modifications and upgrades. Max line set at approximately 220 PSI.
How Much Hp Can A Stock 4L60E Handle
Install the 13-element high-capacity front pump. You will need to use your original bell housing and extension housing, but the transmission will have the appropriate output shaft for your items are available at additional cost. While the TV cable was able to modulate shift programming using throttle position and vehicle speed, it was still unable to bring about a perfect balance between fuel economy, driveability, and longevity. My question is if the stock transmission will hold up to the increase in horsepower?? So many aspects of the transmission are modified or replaced because the end product is only as strong as the weakest link. This greatly improves what is historically a weak point in the transmission. There are a few things you can do to help ensure the longevity of the transmission though. The starting point for any transmission build is the case. Upgraded five (5) pinion planetaries. How much hp can a stock 4l60e handle. Now, let's dive in: - Lay out the important parts on an assembly bench.
How Much Horsepower Can A Stock 4L60E Handlebar
But i would most likely just do a transgo shift kit flowing the upgrade. If you have the budget for it and are starting from scratch anyway, swapping in a strongertransmission like the 4L80E or TH400 might be the way to go. It is widely used in General Motors trucks and SUVs. It is capable of handling up to 650 horsepower and 600 lb-ft of torque, making it ideal for high performance applications. OEM five-pinion planets and a late-model ring gear are used. The sun gear bushing is then replaced with a heavier, wider version. Use this subreddit to post pictures of your GMT400 trucks, show us your mods, or ask for advice. Nothing but the best!!! The bigger the cooler, the better off you'll be. When either is compared, one with a stamped steel is the better option because it is less prone to failure while in use. 4L60e Tranny with transfer case in 04 yukon, how much HP can it take | Turbo Tech Questions. Engines get all the glory, but without a stout transmission backing it up even the most exotic mill is nothing more than a noisemaker. Instead, we systematically re-engineer each model to eliminate OEM flaws and turn out transmissions that can achieve the highest levels of performance.
There are a number of factors that impact the longevity of your 4l60e such as: - Vehicle it's in: The weight of the vehicle matters almost as much as the power it's making. To actuate the band, they use a combination of Sonnax Super Hold servos for Second and Fourth gears. Keep RPMs low or close to stock. For the torque converter's installment, you will need to ascertain the stall speed and where the engine's curve begins in order to get the best performance. These kits usually include stronger gears, clutches, and shafts to help withstand the increased stress. How much horsepower can a stock 4l60e handle. Upgrading your transmission is not something to be taken lightly, and pushing it too far can lead to expensive repairs (or even replacement). B: Had a single bad experience where their car making decent power blew the transmission. Right before you install the torque converter, install the 13-element high-capacity front pump. In a bid to eliminate clutch slippage and excessive heat that could kill the automatic transmission, you can load the reverse input clutch drum with Raybestos high-performance clutch frictions. The same cryo treatment is given to the base of the Smart Shell where the teeth mesh with the sun gear. That's a power level where you used to have to move to a heavier 4L80E, but not anymore—and that's good news for those of us trying to shoehorn a transmission into a tight trans tunnel. This opens the "pores" of the casting and fuses the paint to the metal.
A Thirteen (13) vane pump with hardened rings and a full-time lube modification which assures maximum planetary life and cooling. Anodized red with PerformaBuilt logo laser etched. With our cammed ls1 making right at 400 horsepower, the 4l60e in stock form may have lasted, but the question would have been for how long. Max HP with stock tranny and gears. 2) Rebuild your transmission with stronger parts. It will also enable your 4L60E transmission to handle 400-500 horsepower which is equivalent to a 20 percent increase in torque capacity. Our Pro Race series transmission is the finest built street/race automatic transmission in the industry.