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Thread: help

  1. 06-20-2005, 07:21 PM #1
    magic29
    Iam looking at a boat that has (2) 5.7 250 hp. Will big bolcks bolt up with out to much trouble. (electric, x-dim, ect)
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  2. 06-21-2005, 07:03 PM #2
    SmokinLowriderSS
    I THINK they will. The width of a big block is not that much different I believe and the bellhousing pattern is identical I am certain. Engine mounts may be your biggest trouble but should be locatable. Some others on here may have a better idea as to the comparative width of a BB/SB swap.
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  3. 06-22-2005, 04:56 AM #3
    Norseman
    Iam looking at a boat that has (2) 5.7 250 hp. Will big bolcks bolt up with out to much trouble. (electric, x-dim, ect)
    BBC is heavier about 150 lbs per engine, and a little wider. Exhaust manifolds will be different. Bellhousing is the same, front or side mounts depending on what you have will be different.
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