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Forum: Hot Heads Tech Talk

Forums->Hot Heads Tech Talk->Re: Harmonic balancer

hemistude
Re: Harmonic balancer


You're on the right track. I agree with Jack. Make a piston stop of some sort and find the true TDC. Carefully mark the balancer where it lines up with your pointer and then turn the crank so it is in a good position to access the new marking with a Dremel and a small cutoff wheel. You can easily grind a new, very accurate groove to permanently mark true TDC. And it will be 100% accurate -- something that can't be guaranteed by the HH damper and a 65 year old pointer combination.

You add up a timing tape to complete the job. If you have a degree-adjustable timing light you really don't even need the tape, but the 90 degree markings on a tape are really helpful when adjusting the valves. Whenever I put on a timing tape, I degrease the mounting surface with laquer thinner and scuff it up. I always glue it on with Permatex Weatherstrip adhesive (the yellow stuff). The adhesive on many timing tapes can't handle the heat cycling and they eventually fly off.

I took the cheap way out on my balancer. For the record, I have a 325 Dodge. I bought a stock 318 balancer from RockAuto. It didn't have the re-broached keyway to make it line up right on the early hemi, but with the re-marked TDC and a glued on tape, it's just as good and it saved me $100.

Good luck!

Dave
  user offline
on: Tue 24 of Sep, 2019 [13:59 UTC] reads: 375

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