a th400 convertor is different than a th350 convertor. you need to make sure you have the correct convertor for the transmission you are using! the engine size wont make much difference as the bolt patterns are standard!
Originally Posted By yellowbird
Is your TH400 earlier than 1976? Torque converter and flex plate bolt patterns changed for 1977.
Driveshaft is also different.
Kickdown is different.
Crossmember is different.
Andy
due to budget cutbacks, the light at the end of the tunnel has been disconnected for non payment.
