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With the iron 452 heads, which flowed around 250/200, it made 610 ft/lbs of torque. I later added the Edelbrock heads, but never dynoed it again. It did pick up about 2 1/2 tenths in the quarter so at least 25 more horsepower. The best trap speed after the head swap was 120 in full street trim.
Starting to get everything Re cleaned and detailed !! Then putting her back together.... still waiting on my Large pieces being polished..Had to create my own homemade patter paint.
If you click on picture then plus and enlarge the right side you'll the machining better, yours should look the same. If it doesn't now it won't fit later.
You know why there is plunger travel at all right? It's for machining tolerances and long term wear in the motor. So best case scenario, is the least amount of preload that it will be happy with. I'd go 1/2-3/4 ( or less if high rpm was a concern.
Or go with the comp pro- magnum lifter. You set...
I not sure how you can make that claim with certainty, in say if the crankshaft unmachined cast webs are slightly thicker because the worn sand-casting tool allows for a thicker web, how is that not the better casting?