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  1. Flexplate Garbage

    5.0L Tech
    Can anyone recommend a good quality SFI flexplate for a sbf racing motor? I bought a JW flexplate only to find the Serial & SFI cert numbers modified. I don't trust it, so I sent it back for a refund. The second flexplate I purchased was a flimsy .048 thick, which my motor would most likely...
  2. 1994 Mustang Gt Converting to 1968 302 Flat tappet 302

    Classic Tech
    I have a 1994 mustang Gt that I am I trying to put a 1968 302 motor using stock (EFI) Electonic fuel injection setup. I am currently stuck on the flexplate. When I bought the 1968 302 motor it came with a 28oz 157 tooth flexplate which is an inch or so smaller than than the stock 1994 50oz 164...
  3. bad vibration

    Classic Tech
    I swapped out my bad motor with a stck motor...I started it and had a horrible vibration so I pulled it, replaced the flywheel with a brand new one..still I vibrate not at an idle but as soon as I hit the gas...everything went in like butter but I cant figure this vibe.out!! The motor came from...
  4. 1988 Mustang GT AOD flexplate to torque converter mounting issues

    Trying to make a long story short i needed a new flex plate because it was missing quite a few teeth so i went to rock auto to get another. they had only one in stock and it was a 164 tooth flexplate exactly like the one before but the holes for the flexplate are too small and are not in the...
  5. 1985 and up 50 oz balance flexplate. C4 transmission

    1967 mercury comet. I swapped in a roller cam 5.oL engine. It came with an automatic transmission. I had the C4 in place for only a few weeks, then upgraded to an AOD for the overdrive gear. Now, I am left with a 50oz balance flexplate for a C4. I am looking to sell it. If you are interested...
  6. 1965 Mustang with C4 Transmission knocking noise

    Classic Tech
    Just bought a 1965 Mustang with a C4 Transmission for my 15 year old son this past Christmas. There is a knocking sound. It is like a rod nock, but I dont think it is. The sound speeds up as the RPMs increase. I believe the sound is from the bolts that connect the torque converter to the...
  7. How to replace the flexplate on a 77 mach1

    Mustang II Tech
    so i just bought a 77 mustang mach 1. it has a 302 summit v8 and a c-4 automatic transmission. it needs the flexplate replaced. i have the new flexplate. how exactly do i install the flexplate?? please help me with this one guys.
  8. 1966 Mustang engine vibrations

    Classic Tech
    Just got a 1966 mustang and I have no clue where to start. I figured the mechanical problems need to be fixed first. There is a lot of sqeeling when I start the engine but that goes away after a minute or two. The biggest problem is a severe vibration when the engine is revved up. My father in...
  9. Mustang II v8 flexplate size?

    Mustang II Tech
    In my research i have found that the mustang II 302 had a 148 teeth flexplate at 28 oz. i have a 1990s 302 so i need a 50oz flexplate. will a 157 tooth, 50oz flexplate fit in the mustang II bellhousing? and what is the bolt pattern for the torque converter for the II? It measures out to be 9...