04-06 Transmission Tech Automatic or Manual trans issues |
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09-24-2013, 08:15 PM
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Ultimate Warrior
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Join Date: Jul 2000
Location: BlueBell, PA or AL U.S.A.
Posts: 18,531
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4L65? Trans shop RECO in Eastern PA?
A fella needs his modern GTO transmission (4L65?) rebuilt to Street/Strip capability. His car presently run low 12s, yet is slated to hit high 11s.
Thanks in advance. HIS
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10-24-2013, 01:52 PM
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Ultimate Warrior
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Join Date: Nov 2004
Location: North East of AMES PERFORMANCE, in the "SHIRE"
Posts: 9,428
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It is CRITICAL that he gets a UPDATED rebuilt valve body and not just new APC and shift solenoids. These trannys are well known for Slamming into gear due to high pressure problems. ( Solenoid bores need to be rebuilt and new sonex solendoids installed) A good friend has had his done ( rebuilt) 3 times , then I insisted that they use a valve body we bought, that was bored and rebuilt correctly, and dyno tested by itself.
Generic tranny places around here now ship em out and get a generic rebuild. problems persist.
With a updated valvebody and updated rebuilt pump, Im sure you could do this rebuild H.I.S.
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"The Future Belongs to those who are STILL Willing to get their Hands Dirty" .. my Grandfather
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10-24-2013, 04:10 PM
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Ultimate Warrior
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Join Date: Nov 2011
Location: Ely, NV
Posts: 1,495
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Interesting. I am considering eventually installing one behind the Turbo L6.
__________________
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"How I learned to stop worrying and love the OHC Pontiac L6"
The Silver Buick- '77 Skylark coupe w/455, SPX, MegaSquirt 3 & TKO-600 (Drag Week 2011, 2012 & 2015!)
1969 Firebird with a turbo'd Pontiac L6 controlled by a MegaSquirt 3 and backed with a microsquirt controlled 4L60e and 4.56 gears! (Drag Week 2018!)
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10-24-2013, 07:54 PM
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Ultimate Warrior
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Join Date: Nov 2004
Location: North East of AMES PERFORMANCE, in the "SHIRE"
Posts: 9,428
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Quote:
Originally Posted by TheSilverBuick
Interesting. I am considering eventually installing one behind the Turbo L6.
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The trans for your bird that would be easy is a 200R4. Mine is stage "3" , 500 hp, and they can be built even stronger. Mine sits behind a 455. For a RWD version of the tranny in this thread you would go with a 4L60 for RWD.( 2wd chevy truck from 1994 will have one) Youll need a harness and computer unless you have one built with a manual valvebody. Updates as listed above still needed.
The 200 you can get a crossmember for and only needs the TH400 +12v to use the lock up.
good luck
__________________
"The Future Belongs to those who are STILL Willing to get their Hands Dirty" .. my Grandfather
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10-26-2013, 02:20 AM
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Ultimate Warrior
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Join Date: Nov 2011
Location: Ely, NV
Posts: 1,495
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I'm just about finished with rebuilding a 2004r for it right now. The megasquirt 3 will control the lock up function and I'd get a Megashift expansion for a 4L60e (or 4L65e or 4L70e).
__________________
__________________________________________
"How I learned to stop worrying and love the OHC Pontiac L6"
The Silver Buick- '77 Skylark coupe w/455, SPX, MegaSquirt 3 & TKO-600 (Drag Week 2011, 2012 & 2015!)
1969 Firebird with a turbo'd Pontiac L6 controlled by a MegaSquirt 3 and backed with a microsquirt controlled 4L60e and 4.56 gears! (Drag Week 2018!)
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10-26-2013, 07:26 AM
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Ultimate Warrior
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Join Date: Jul 2000
Location: BlueBell, PA or AL U.S.A.
Posts: 18,531
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Fella ended up taking it back to the same place (in NJ) that reworked it more than 2 times.
Me thinks the performance and reliability issues will not be done with.
He either will keep or sell the GTO based on the outcome.
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10-26-2013, 11:36 AM
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Ultimate Warrior
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Join Date: Nov 2004
Location: North East of AMES PERFORMANCE, in the "SHIRE"
Posts: 9,428
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Quote:
Originally Posted by Half-Inch Stud
Fella ended up taking it back to the same place (in NJ) that reworked it more than 2 times.
Me thinks the performance and reliability issues will not be done with.
He either will keep or sell the GTO based on the outcome.
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That tranny can be "fixed" , but a traditional rebuild isnt going to do it. Good luck!
__________________
"The Future Belongs to those who are STILL Willing to get their Hands Dirty" .. my Grandfather
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