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Hi all! It's been a good while since I've posted, I've worked a bunch on my car and am now looking to swap out the trans for a more solid one. I was just wondering if a 700r4 from an 89 camaro would fit my 84 corvette? It has the torque converter on it and the seller said it came off af a 350.
84 engine will be two peace rear main seal vs 89 will be one piece rear main seal. May need some change in flex plate or torque converter. Input shaft should be the same.
Last edited by BowerPower; Mar 20, 2021 at 03:48 AM.
Hi all! It's been a good while since I've posted, I've worked a bunch on my car and am now looking to swap out the trans for a more solid one. I was just wondering if a 700r4 from an 89 camaro would fit my 84 corvette? It has the torque converter on it and the seller said it came off af a 350.
Thanks all!
The output shaft on the Corvette is shorter, the Camaro tailstock does not have the mount for the C beam and you will not have clutch lockup because the 84 Corvette trans has a converter clutch lockup valve and the 89 Camaro is computer controlled.
The output shaft on the Corvette is shorter, the Camaro tailstock does not have the mount for the C beam and you will not have clutch lockup because the 84 Corvette trans has a converter clutch lockup valve and the 89 Camaro is computer controlled.
Thanks for the insight! Does that mean I can't use this transmission on my 84'?
Transmission bolt pattern is the same on all chevrolet.
Crank Pilot diameter in crank, converter must match crank. 1982-1997 use 1.703 in.
27 or 30 splines, converter must match transmission.
-1984 has 27 spline input shaft.
1985- has 30 spline input shaft.
As the transmission has a matching converter it is not a problem.
Then you have converter to flex plate bolt pattern and there are two to choose from.
Probalby stock 10.750 in. for both and standard for 153 tooth flex plates.
Larger 11.500 in. used with 168 tooth flex plates.
There are dual pattern flexplates for both 153 and 168 tooth.
There are also dual pattern converters.
Your main problem is the tail housing. The C4 Corvette has a special tail housing to mount to the C-beam.
You could probalby just swap your old tail to the new transpission and cut the output shaft to match.
I am not sure if the speedometer mount on the 2WD shaft is the same.
The output shaft on the Corvette is shorter, the Camaro tailstock does not have the mount for the C beam and you will not have clutch lockup because the 84 Corvette trans has a converter clutch lockup valve and the 89 Camaro is computer controlled.
The 1984 converter clutch is computer controlled.
The Corvette valve body is a bit different to allow more thottle on 4th gear.
The Corvette valve body is a bit different to allow more thottle on 4th gear.
The solenoid is but the signal oil definately is not. The 84 directs signal oil from the clutch apply valve in the valve body and the 89 directs oil from the 1-2 shift valve.
The solenoid is but the signal oil definately is not. The 84 directs signal oil from the clutch apply valve in the valve body and the 89 directs oil from the 1-2 shift valve.
And in exaclty what way does that affect if transmission can be used or if lockup still works?
I said that because it is something you might notice depending on how you drive. You however need to be above top speed on third to see difference. I don't know if it is an issue.
There are improvements internally from 1984 to 1989 but I don't think there is anything else you will notice while driving.
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Swapping transmission for 1984
