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Which gearbox do I have?

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Old 09-21-2011, 07:24 AM
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Which gearbox do I have?

Been having some problems with my camaro's automatic gearbox as of late. It doesn't switch out of 1st until 3500Rpm and the same for second and third.

Then when it changes into 4th theres an almighty thud in the car before it does so.

I'm going to get a company to overhaul it and they need to know which Gearbox is in it.

1987 Camaro I-ROCZ Vin number. *G*FP2*FXHN34*7* (Q-9821)
5.0 TPI V8
Everything else is standard.
Old 09-21-2011, 07:51 AM
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Car: 1989 IROC-Z
Engine: 355, 6.0 (LQ4) soon
Transmission: 700R4
Axle/Gears: Borg Warner 2.77 for now
Re: Which gearbox do I have?

700r4.
Old 09-21-2011, 07:22 PM
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Car: 1992 RS
Engine: Carbed 350
Transmission: 700R4
Axle/Gears: 3.42 posi
Re: Which gearbox do I have?

Have you tried adjusting the TV cable? www.thirdgen.org/detent
Old 09-21-2011, 09:19 PM
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Car: 1989 camaro rs convertable
Engine: 305 tbi
Transmission: 700r4
Axle/Gears: 7.5"3.42 gears forth gen 2000 camar
Re: Which gearbox do I have?

Originally Posted by camaronewbie
Have you tried adjusting the TV cable? www.thirdgen.org/detent
adjusting the tv cable may fix it at no cost.
Old 09-28-2011, 06:42 PM
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Car: 84 454 monte, 89 formula, 86 camaro
Engine: the bigger the better
Transmission: 700/4L60 in everything
Axle/Gears: wish they were all 4.10's or better
Re: Which gearbox do I have?

Originally Posted by Misanthrop
Been having some problems with my camaro's automatic gearbox as of late. It doesn't switch out of 1st until 3500Rpm and the same for second and third.

Then when it changes into 4th theres an almighty thud in the car before it does so.

I'm going to get a company to overhaul it and they need to know which Gearbox is in it.

1987 Camaro I-ROCZ Vin number. *G*FP2*FXHN34*7* (Q-9821)
5.0 TPI V8
Everything else is standard.
if THEY are asking YOU which gearbox is in it, find a different place to take it, they should already know.....

and try the TV cable thingy posted above first, these guys are right, that may fix it at no cost, unless the valve in the valve body is hanging, which isn't unusual for that cast iron valve body. Then the valve body needs to come off and clean and polish the TV valve itself. Find a different trans shop to do it.
Old 09-28-2011, 06:51 PM
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Car: 1989 camaro rs convertable
Engine: 305 tbi
Transmission: 700r4
Axle/Gears: 7.5"3.42 gears forth gen 2000 camar
Re: Which gearbox do I have?

i had a problem with my 84 camaro where it wouldn't shift.the problem was a plastic gear on the governer that had lost its teeth.new gear fixed it.
Old 09-28-2011, 07:56 PM
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Car: 84 454 monte, 89 formula, 86 camaro
Engine: the bigger the better
Transmission: 700/4L60 in everything
Axle/Gears: wish they were all 4.10's or better
Re: Which gearbox do I have?

Originally Posted by zenish
i had a problem with my 84 camaro where it wouldn't shift.the problem was a plastic gear on the governer that had lost its teeth.new gear fixed it.
yep, those don't shift AT ALL. He says his shifts at 3500, even to 2nd and 3rd
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