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Thread: Rod and piston weights

  1. #1

    Rod and piston weights

    Does anyone have a list of weights for stock small block and big block rods and pistons. Specifically I have a '69 427/390. Cast 10.25 /1 pistons, 3/8 rod bolt rods. Had a bent rod. A buddy gave me a set of stock 454 rods to use. They appeared similar (3/8 bolts), but the 454 rods had a little more metal in the beam on the big end. Motor runs fine, but at high RPM is not as smooth as other stock BBC's I've had. I'm thinking a few grams on the rod is causing the higher vibration. Again, not bad, I'm just looking at the future as far as swapping parts generically if I can find weights. Like I have a '65 396 forged crank. Basically same crank as the 427, but a different balance because of the weight of the piston. I'm really just trying to stay out of the balance shop with some info if it's available.

    Thanks, Dan

  2. Racing Junk

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