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I might consider a turbo but I think at this point that would be a lot of money to be invested?, I just spent $4,000 on the transmission rebuild. but you reminded me that some 6.0 engines came with a turbo from factory I think I would definitely do that. Vortech supercharger I think it was...

My engine recently took a dump, cam went out and heads are bad leaky, just had the 4L80E fresh rebuilt. planning on getting a btr truck cam stage 2 but I need to know if I should rebuild these cathedral heads 317, plan is to use the truck for towing. I have a guy who will do a custom tune but...

I got a quote from my local dealer. $5,191.91 with taxes & core charge which is $700 torque converter 3 year 100,000 miles warranty

I am about 2,400 miles away from central Ohio

Sorry for late response, got caught up in work, by a gm reman do you guys mean a gm rebuilt transmission only or like at an auto parts store? my advance auto parts store is selling a rebuilt 4l80e by a company called shift pro by ETE $2,359.99 plus a refundable core charge of $800 they also have...

Here are some pictures of disassembly thru reassembly. also not the last picture shows that the rear center support bolt the 2 hole passages are not plugged up. also where could I apply compressed air on the case side to see if 1-3rd gear clutches are engaging and disengaging? also I replaced...

This a new issue from my last old thread when I had the transmission rebuilt and was having issues with no/ or low oil psi, and overheating. I put about almost 24k miles since. That is until recently I was hauling a Lincoln town car lowrider driving back home from Ontario, California. I got off...

The engine size is 6.0L LQ4. Transmission is 4L80E I plan on waiting for the business to get consistent work or guarantee contracts with local companys then go buy a 3/4 ton cummins/duramax. My friend has a ram 3500 cummins, he will let me borrow when i need it

I’m planning on bumping up the gear ratios on my 1500HD i believe it has 3.73 gears and limited slip. The reason for this is because it is sitting on a 6in rough country lift and 20x12 on 33x12.50R20. It lacks power of course, I’m finally ready for this upgrade, as i have gotten my...

Kinda hard to tell looks like they had repainted the torque converter similar to the color it was when I brought it brand new... I just got home stopped by friends shop to talk to him I told him i got a problem the transmission doesn't have oil pressure, no reverse gear, forward gears. he told...

I didn't do that didn't think of it, but I marked my initials on the TC and got it back with my initials on it, the trans looks the same color as i got it in the first place I don't suspect that they swapped it.

@Will L. I would name the shop but the connection to this transmission builder is through a diesel mechanic friend of mines. He told me "His guy is good never had issues with him" I asked my friend the other day what's the name of his shop and he told me he doesn't work for anyone he does it...

So i went ahead and double checked that it had trans fluid at the proper level today for 10mins before leaving to class. I went through the gears then back in park. Added a quart and half or so while idling. and its right below the Hot level mark the second from the bottom. I put it back in...

Heres an update I got my transmission fully installed today poured in a gallon of trans fluid is all it took so that tells me the transmission guy didn't full take it apart to see what was the issue with my transmission I started it up and watch my pressure gauge slowly go up to about 55psi...

Gave Jake's Performance a call they told me that the "sweet spot" is 0.160. So I'm good now. I guess this thread can be helpful for others wondering what to do. they told me if it were to be more than 3/16 of a inch they put flat washers about 0.040/0.060 thick washers between the converter...

I have a 2001 Silverado 1500HD with the LQ4 6.0L Iron Block, i recently swapped my original 4L80E for a diesel because my the old trans a lot of the hard parts had serious overheating on the surface with just surface cracking and i lost reverse gear. i sent the diesel trans out to get rebuilt...

No not a ball check just a magnet on the other end of my snap on flat head. that some stuff it pulled out from the magnet also i relaized that the magnet was not in the correct location where stock recomended

So i just dropped the pan here do you guys think some of this stuff in the pan is normal? i did see alot of shiny particles in transmission fluid very fine particles. I also took a picture of the valve body any idea what year this narrrows it down to?

I spoke to Jake's transmission and asked them what is the recomended overall shift pressure he told me depends on HP . i told him its a stock 6.0L with "REBUILT" transmission with their rebuild kits he was saying 120-130psi is too low, that theres internal pressure leak, mabye the clutch seals...

My truck came with with 4l80e originally. i swapped it out for a diesel 4l80e not sure what year to be exact but def a late model case as it has the transmission lines futher apart from each other. Looking at the charts after im done typing this.