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Old 07-25-2009, 03:08 PM   #20
Green Machine
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Location: Estherville, Iowa
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Re: How to ID a camel back or camel hump head, and what good are they?

Don't the power pac heads (single triangle over a rectangle base marking) only have 1.72 inake valves ? Even a 283 bore will clear a 1.94 intake, still tons of machine work and parts to get old parts like that up to spec.
1968 C10 307 3spd Long Fleet ------
1970 C10 305 Super T10 Long Fleet ---
1971 C20 383 TH350 Dana Posi -----
2001 GMC Sierra 1500 C3 6.0

Last edited by Green Machine; 07-25-2009 at 03:10 PM.
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