Quote:
Originally Posted by goinbroke2
Wow Dave, that's abnormal for a sbf. I'm assuming you were using 69-70 351W heads? I had a 2 4bbl 302 I built which liked 38* which seemed a lot, when I pulled it apart the pistons were washed clean around the circumference of the piston and the centre was black. I chalked it up to something I did wrong while porting and chamber work and that was why I needed 38. 40 though, that to me seems pretty high.
Course they all ain't the same are they? Lol!
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Yes on the 69-70 351W heads.
Around the circumference? Can't say for sure but sounds like a Ring issue to me.
Can I ask what fuel you were running that your sbf liked just 28*?