Thread: 318 build?
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Old 08-04-2013, 11:58 PM
Gen1dak Gen1dak is offline
Dodge Ram Forum Senior Member
Join Date: Aug 2011
Location: MS Gulf Coast
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Vehicle: 1990 RamCharger
Color: Red
Engine: 1988-1991 318ci (5.2L) LA V8 140hp
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Gen1dak will become famous soon enough

That math doesn't add up. The de facto 4 inch crank would require a .090" overbore on a 318 to get up to 402 (Hensley Performance does this on early blocks after sonic testing). A 406 is typically what one gets with a stock bore 360, and 408 is a 360 with .030" overbore. Don't guess he spilled the beans on his dimensions?
An easy build would be 318 with .040" over and a 4" crank. That'd make a 392.
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