TH200 metric transmission been leaking for years just a little leak but I think its from the pump.I hate to change it out because its an all numbers matching 79 Calais,Is a TH350 a direct bolt up to my 305 Chevy?
TH200
- Thread starter hangar401
- Start date
- Status
Yes, anytime one of these came in the shop for any reason, a TH250/350(C) went in its place. It is a direct bolt in short of a vacuum line. If you use a TH350, the lock up converter should also plu right in.
Yes the 350 is a direct bolt up. I forget if my 80 has the 200 or the 250. Is the converter for both of these the same as a 350 converter?
No. It is also different between a TH250/350C, came out in 80 and the earlier TH250/350.
Will bolt right up, although if its lasted this long just haul it in for a rebuild and call it good as new
I wouldn't lose too much sleep over keeping it numbers matching if it's a reversible upgrade. You can always just slip the 200 under the workbench when you install the TH350.
Most typical place for a leakis the pan and dipstick tube. Pump seals are pretty durable. Could be output shaft too. They take a lot of abuse. There's no reason not to go th350 but a 3.99 seal isn't a reason to IMO
- Status
