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  1. Th400 doin it right!

    Drivetrain & Performance
    I just put a chevy zz502 in my 1970 nova. And of course problems have now occurred. Transmission was leaking on to the headers. What went from possible gaskets now means I need it rebuilt. With only 500 miles on it in 2years. It's a th400. Anyways I'm going to spend the money to rebuild it. What...
  2. 1973 Nova TH400 and Small block swap, need help with mounts?

    Drivetrain & Performance
    I have a small block and a TH400 that I would like to install in my '73. My problem is that I can't figure out a transmission mount. The thing is, for those who don't know, '73s never came with TH400s. '68 to '72s had them, but only behind big blocks, and the big block engine and tranny mounts...
  3. TH400 fittment issues

    Drivetrain & Performance
    Hi all, newbie here. Putting together my first nova, and am running into some problems. The drivetrain is a blown sbc to a th400. The car was originally a 6 cyl. So i dropped in the motor and trans, and bought the th400 cross-member from classic industries as well as the trans mount from...
  4. TH400 or 700r4?

    Drivetrain & Performance
    I've got a 1971 nova, with a 388 stroker making about 425 hp. It currently has the stock TH325 transmission; car was originally a straight 6, so everything is geared for a 6. rearend is stock too, but i'll be putting a posi in soon. Im stuck between transmissions, turbo 400, or 700r4? It's...
  5. Trans Mount

    Drivetrain & Performance
    Hey guys, I've got a transmission mount question. I pulled the original 327 and a TH400 and put a 383 and the same TH400 back in my 67. When I put the transmission crossmember mount bolts back in, they seemed to not want to tighten. When I removed the bolts originally, I remember them being...
  6. upgrading to a th400

    Drivetrain & Performance
    so i have a v8 63 nova and want to put a th400 in the car, i have a th350 it the car at the present time. What would i have to do to fit the th400 under there? my plans are to buy a 4-link set up from TCI as well. Is this a good or bad idea??? PLEASE HELP!!!!!!!!!
  7. need help with Engine ID

    Drivetrain & Performance
    I have a 1971 4 dr nova and im trying to id the motor. The Id i got off of it is T1102CMP. with the vin # 17c112566 as far as i can tell i was made in "T"-Tonawanda, NY, on "11"-November, "02"-second, "C"-car, but i cant find the Id for the "MP" its driving me crazy :slap: . any help would be...