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Small Block & Big Block Chevy Specific Mouse & Rat Motor Discussion & Conversions

BBC in a NBS silverado?

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Old 03-29-2010, 06:51 PM   #1
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Default BBC in a NBS silverado?

my dad bought a 99 silverado from a friend of mine...it was bagged in its former life and originally a 4.3 truck...well he bought the truck to build a drag truck out of...he also bought a 496 BBC off a rail car to stick in it with a powerglide....i was thinkin that maybe a 8.1 motor mount would work with the older motor but the 8.1 MM is a 4 bolt and the BB is a 3 bolt...so does anybody make a 3 bolt to stock frame LS motor mount or are we gonna have to build some...though i would atleast ask b4 we start sittin the motor in
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Old 03-29-2010, 08:31 PM   #2
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Check out the conversions & hybrid forum, there have been people that swapped them into older trucks, I believe they had to swap/ fab mounts.

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454, 496, 99, bagged, bbc, big, block, chevy, drag, engine, mounts, nbs, s10, sbc, silverado, truck


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