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Old 12-29-2009, 01:39 PM
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Originally Posted by ap72
block description says you have them bored to 4.125", standard 400 bore size. Then you run 4.030" pistons in them... Is piston slap a problem?
Yes we are running the 4.030 pistons in the 4.125 block, and did assume a little piston slap, and rattle, but one thing for sure is, them pistons go in the block so easy. We can't seem to get the engine to start.

Na, it's a type O as you must know. We offer this block in several bore sizes, and used the same add, but didn't get the specs matching throughout the add.
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