V6 Discussion and questions about the base carbureted or MPFI V6's and the rare SFI Turbo V6.

tranny rebuild

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Old Apr 20, 2001 | 05:20 PM
  #1  
85f-bird's Avatar
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Joined: Mar 2000
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From: St. Louis, MO
Car: 85' Firebird (Project), 92' RS
Engine: 2.8L, LS1
Transmission: 700R4, 4L60E
Axle/Gears: 3.42 Open , 10 Bolt (ukn)
tranny rebuild

hey ladies and gents...
I went around town doing some shoping for my tranmission rebuild and have one guy, who appears to be very thourough in knowledge about the 700R4's and has lots of hi-po parts in stock for 700's. He quoted me $950 on a rebuild with all hard parts included, for another 150 bux, i could get a complete hi-po rebuild which would include the corvette servo, pressure valves, etc, basically everything to the tranny minus the minor stuff needed to say run nitrous. The guy also said he'd hook me up with a 12 month/ 12,000 mile warranty. Now, there's another guy who'll rebuild the tranny completely, hook me up with a corvette servo for no additional charge, not to much in the name of other stuff but hadn't really talked to him about much more than the servo, this guy'll do it for $750 with a 3 month warranty.

Now which one is better deal? i know this should go on the tranny board too, and i'll post it there also, i just wanna know from you guys who have v6's and trannys. Oh, the first guy said something about changing it from a 6 plate to an 8 or 9 plate depending on how much the tranny could hold, and improving the clutches between 3-4 gear, saying that those are the weakest clutches on a 700r4. anyway, i'd like some feed back from guys who've had their tranny's rebuilt. Thanx in advance.
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Old Apr 21, 2001 | 12:20 AM
  #2  
Camaro_hunter_d's Avatar
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From: Zeigler Illinois
well for that money buy yourself a street strip tranny from summit....only like 850 for a turbo 400 that will handle anything you can throw at it...just FYI
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Old Apr 21, 2001 | 08:24 AM
  #3  
KED85's Avatar
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Joined: Jan 2001
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From: ****SoCal, USA****
Go with the lower price.
For the shops, the items are pennies.
CHECK THE SHOP OUT ANY WAY YOU CAN before you give 'em money.
No you cannot use a TH400, at all. Except as dead weight in the hatchback.

------------------
Chat Soon,
KED85
Karl
1985 Firebird 2.8 to 3.4 swap project for Smog Happy LA, CA
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Old Apr 23, 2001 | 10:09 AM
  #4  
TomP's Avatar
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Joined: Mar 2000
Posts: 13,414
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From: Central NJ, USA
Car: 1986 Firebird
Engine: 2.8 V6
Transmission: 700R4
I agree; make sure the shop is decent. Lee Myles screwed me for a $1300 trans that lasted a little over 2 years! Here's another option; you could try rebuilding it yourself. Pick up the Haynes Techbook on "GM Transmission Overhaul" for $15. If nothing else, it's a great read. Rebuilding the trans doesn't look that "hard" as in technical; the hard part's getting everything in properly. I'd say you could do it yourself (with hi-po stuff) for less than $750, and wind up with a bunch of new tools and bragging rights! Just visit carparts.com and look at their prices for generic 700r4 rebuild kits and you'll get the idea.


------------------
-Tom P (Hot rodded 1986 Firebird 2.8l) from http://www.f-body.net/mailbag/3rd/3rd_mailbag.html message boards
---Think your car could be pic of the week? Visit http://www.f-body.net for details!
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