Thread: Small block identification
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08-17-2008 05:24 PM #10
CHR Member
- Join Date
- Sep 2006
- Location
- Three Rivers
- Car Year, Make, Model: 78 c10 355 & muncie, chopped & air ride
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- 28
heads are casting number3998991. Which from what I can tell are small valves with big combustion chambers. I wish they were something different, but oh well.
Is there any upsides at all to these heads?
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