Best Turbo torque converter builder for 4l80e - Yellow Bullet Forums
2012年11月19日 · That motor made big torque. 427 stroker Duramax. 4.0 stroke 4.125 bore 16.5:1 compression. Went 154mph at 3600lbs. Coan used a disk that would give some. Worked great! We tried lock up at the track. It went faster but not quicker. For a car that gets alot of street miles lock and overdrive nice. My new ride has 4L80 and will have a Protorque ...
Torque converter clutch problems. The Achilles Heel of...
2009年5月18日 · I will never advise using a manual override switch to engage or disengage the Torque converter clutch. One of the main reasons why is because the 4L80-E doesn't have the ability to cool off the fluid if it gets too hot while in mechanical lockup.
Slight shudder during lockup - 4L80E | Yellow Bullet Forums
2023年7月9日 · I'm experiencing some very slight converter shudder whenever the converter locks under low throttle just before the lockup occurs. Lockup is only commanded for 4th gear. This is a fixed line pressure unit. When it electronically shifts to 4th, the converter locks up shortly after, and it shudders ever so slightly as it goes to lock up.
4L80E Earlier vs. Later Torque Converter Compabitility...
2023年12月14日 · From what I understand, the Torque Converters for the 1991 through 1997 4L80E transmission models have a hub length of 2.05" (TC model GM81). For the 1998 and up 4L80E transmissions, the Torque Converter hub length increased to 2.65" (TC Model GM88).
Full manual 4L80e converter lockup | Yellow Bullet Forums
2013年5月22日 · Full manual 4L80e converter lockup Jump to Latest 24K views 10 replies 7 participants last post by 14-71 Inside May 25, 2013
Need a Triple Disc torque converter for 4L80E heavy towing
2016年9月26日 · Turns out one of my best go to torque convert guys died just before Gil Younger SO I did the ask the expert drill/ Visit Answer some 4L80e's early on had a bad lock up piston- they cracked better now available in aftermarket- have your converter disected unit does not have converter problems unless trying to lock up full throttle drag racing
4L80E complete fluid flush - Diesel Place
2007年8月16日 · The tranny takes the new fluid out of the pan and pumps it through the transmission body, torque converter, cooler, and then back to the pan. There is no pan or drain plug for the torque converter. 2016 GMC Sierra 2500HD SLT CC/SB LML
Torque Converter Spacing Question-4L80E - Yellow Bullet Forums
2012年11月23日 · I am installing a new Jake's 4L80E (w/one of his Billet Converters), and I read on his FAQ's page that you are not supposed to have over 3/16" between the Torque Converter and the Flexplate (I do realize that if this clearance is too much that it can cause Pump problems).
4l80e torque converter locking and unlocking at cruising speed
2011年2月26日 · If this doesn't solve the problem then check for shorts at the passthrough connector. going into the transmission. there is a sticky showing the passthrough connector. There are three ppins that share the same electrical path going into the case. The 1-2 shifting solenoid. The 2-3 shifting solenoid and the Torque converter solenoid.
4L80E TORQUE CONVERTOR LOCKING UP AT IDLE? - Yellow Bullet …
2015年9月7日 · Symptoms like this are common with 4L80E. The pumps are marginal to begin with and if asked to make higher pressure this symptom is more likely. Basically what is happens is at idle rpm's the pump is not able make 100% of the pressure it is calibrated to. As a result (by design) it restricts oil into the converter.