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Old 02-10-2017, 07:23 PM   #126
dfarr67
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Re: 4L80E & TH400 Tech.

Thank you for the replies.

Is this piece a straight replacement in the newer units or does it require other changes.

http://www.ebay.com/itm/111453434374...%3AMEBIDX%3AIT

Would these fittings restrict volume of oil flow? I want to use just regular fittings not the factory snap in.

http://www.ebay.com/itm/231278300872...%3AMEBIDX%3AIT

At first I thought- yes I am capable of doing a 4l80e, not so much anymore...more so the looming specter of taking the trans out again because I missed something.

Clineberger- I like the idea of the Sonnax reamer and sleeve- does your shop have these, could I ship valve body for service. I cannot justify buying that particular kit and don't like the wearing characteristics of the cheaper technique.

The damaged oil cooler lines were not on a Allison trans, and yes this is a cold climate here, I just didn't see the cooler lines as a maintenance item. Either way I think hard line is a lot of work but a good quality hydraulic line will fit the bill.
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Old 02-10-2017, 08:56 PM   #127
clinebarger
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Re: 4L80E & TH400 Tech.

The larger O/D Roller Clutch requires a matching O/D Carrier & Overrun Hub.

The trick with a small O/D Roller Clutch is to not Hammer it with the shifter in D4/OD, Put the trans in D3/3rd, This brings on the Overrun Clutch & helps support the Roller Clutch.

Those fitting work fine, We use them on 3rd & 4th Gen Camaros all the time, But you can use straight fittings in a Truck.

Are you inquiring about the AFL Valve Bore repair?
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Old 02-11-2017, 04:50 PM   #128
dfarr67
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Re: 4L80E & TH400 Tech.

Quote:
Originally Posted by clinebarger View Post
The larger O/D Roller Clutch requires a matching O/D Carrier & Overrun Hub.

The trick with a small O/D Roller Clutch is to not Hammer it with the shifter in D4/OD, Put the trans in D3/3rd, This brings on the Overrun Clutch & helps support the Roller Clutch.

Those fitting work fine, We use them on 3rd & 4th Gen Camaros all the time, But you can use straight fittings in a Truck.

Are you inquiring about the AFL Valve Bore repair?
Yes to AFL repair- depending on how bad shipping would be, I think it would worth it. Also any updates to the valve body and a new plate. Would the larger clutch be a worthwhile upgrade- could you supply all parts needed so I don't order wrong pieces.

Alto has screwed me to many times with their JUNK

Can you enlighten me to this warranty logic- Alto just lost future sales of not only you but anybody reading this- it's not like there's no competing product out there.

What do you think of this pan? I'm not happy with extra welds/potential leaks, but can't see paying big dollars for a cast pan. I understand these are heavy guage- too bad they don't offer a version sans tubes.

https://www.amazon.ca/Derale-14207-T...keywords=4l80e

Last edited by dfarr67; 02-11-2017 at 05:00 PM.
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Old 02-16-2017, 04:04 PM   #129
dfarr67
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Re: 4L80E & TH400 Tech.

Moving to the front end of the trans- I'm thinking of a reman'd 200ish Express van 4.3L toque converter- how would this behave with a 383?
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