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Old 06-14-2019, 09:11 AM
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400 sbc parts

Hey I just picked these up and was wondering what you would price them at. Asking Bc I’m going big block and don’t want a stroker anymore

Cam
Crank
Pistons

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Old 06-14-2019, 09:26 AM
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Quote:
Originally Posted by Levi4gran View Post
Hey I just picked these up and was wondering what you would price them at. Asking Bc Im going big block and dont want a stroker anymore



Cam

Crank

Pistons
More description of the parts.....crank stroke/what mains/by whom/forged or cast....cam by whom/lift/dur/roller?.....pistons by whom/for what rod/dome-flat-dish/bore size

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Old 06-14-2019, 10:11 AM
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If those are stock GM parts, taken from a used 400 SBC...

The cam is worth zero.
It's very small duration and lift, and noting special, it's the same stock cam grind used in every 250HP or less SBC since the early 1960's.

The pistons are worth zero. Well, dirty aluminum scrap price actually("Dirty" because there are steel skirt struts buried in them, not just pure aluminum
Very low compression, made of just plain cast aluminum, and trying to find a used 400 block in good enough shape to use a stock diameter piston in would be like finding the worlds first living Unicorn. Good luck with that.

The crank is worth maybe $100 if all it needs is a polish and could then be used, if it needs a regrind then it is basically just worth core price, or about $35.

From a used SBC 400, the only valuable piece is the engine block itself, and only then if it passes a magnaflux magnetic particle inspection for cracks...cracked it is worthless, and about 1 in 5 are cracked from years of use. If not cracked and not worn or rusted so far that a .030" overbore won't renew it for use it is worth between $200-400, whatever you can get someone to pay.
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Old 06-14-2019, 10:47 AM
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Thats what i was thinking too.....not enough info as to what it is, thats why my questions. Maybe its a stroker kit from a built up Dart block or something

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