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Old 12-15-2011, 10:06 PM
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small chevy problem

just wanting to find out what small block chevy i have. been told alot of wrong stuff mabey yall can help.her goes my block# 3932386 head#3927185 i.d.#180140555 also found these#'s k12 021 & 51996c on front of block with i.d. can anyone help? thanks
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Old 12-15-2011, 11:28 PM
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Quote:
Originally Posted by misinformed
just wanting to find out what small block chevy i have. been told alot of wrong stuff mabey yall can help.her goes my block# 3932386 head#3927185 i.d.#180140555 also found these#'s k12 021 & 51996c on front of block with i.d. can anyone help? thanks

3932386** 302-327-350ci **68-74** 250-350HP** 2 & 4-Bolt

3927185** 307/327/350ci** 68-79** 1.72"/1.50"** 70cc

Look on the Front right of Block, just in front of Head for a Suffix code.
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Old 12-16-2011, 12:38 AM
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interesting block #

Hey misinformed,

According to my book Chevy by the numbers, both your block and heads are 1969 and in most cases its a 4 bolt 350. However this number was used on the 69 camaro block in the 350 302 and 327 version. When i looked up the heads they were rated at 235hp on the 327 Impala, 200hp 307 chevelle and Chevy ll, but in the camaro 200hp 307 and a 210hp 327. So if you have a 2 bolt its a 210hp 327. That 180140555 # I think is a warranty replacement block. Hope that helps.
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Old 12-17-2011, 06:25 PM
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thanks yall that helped alot.
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