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Old 01-30-2009, 09:24 AM
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SB 400 build help

I have a 400 bored .30 over. Stock crank .20 under on rods .30 under on mian. 5.7 stage 1 scat rods and Speed Pro .100 dome piston. My rods are hitting my cam and i need some advice.

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Old 01-30-2009, 09:39 AM
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Depending on the amount of interference, you can either grind a small area off the rod or buy a small base circle cam.
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Old 01-30-2009, 09:41 AM
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I was also told a roller cam will clear too. Is that true?
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Old 01-30-2009, 09:54 AM
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The rod is hitting about a 1/8" from the top of the lobe. is this to much to grind off the rod before ruining the balance?
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