Vacume Spring??

63dartman said

When you say excellent compression what numbers are you talking about? Every post that I've read say that the best way to kill bottom end is put some 360 heads on without any work done to raise the compression. Did you mill the heads or deck? Or did you replace the pistons? Also, was there any changes in the torque converter, did you use the same one? Just trying to help you solve it.

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The motor was completely re-built by qualified motor shop, 30 over, new flat tops, the works.
They are 318 HP heads cast in 360. They have 360 valves but don't require any milling. I was told I had about 9:1 comp. The convertor is a 2500 stall.

Note, this motor, trans came out of my kids duster and kicked ***, so it's got nothing to do with the guts. I'm just have problems tweaking everything I guess.