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Old 03-01-2025, 08:19 PM   #6
z10kl
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Join Date: Oct 2006
Location: denver nc
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Re: Help Decoding Exhaust Manifolds.

Quote:
Originally Posted by 1970cstblazer View Post
Top one is 3932473 which is a LH 1969-70 2WD. The LH 24 refers to the side and which mold it was cast in. K series 4WD trucks use a RH straight dump manifold 3932465 on both sides.



3838956 does not exist. However, 3896956 is a '67-'70 RH manifold for 2WD 307, 327, 350 W/O A.I.R.
Is the 465 correct for a 71 K20 too?
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