Quote:
Originally Posted by mgarblik
Oil pan looks like a big project. As far as pistons and rings. Looks like a .990 pin? Are you using aluminum buttons to support the oil ring or a steel support? Hard to tell from the pictures, but looks like no gas porting of any type. We don't do that either. We do use a .017 dykes top ring for some additional help with our high cylinder pressure. Looks like the top ring is about .170-.200" down from the piston head? You are right, the pistons don't look particularly exotic from the underside. Look to have good support in the skirt area. I have built 1 engine with billet pistons so far. Very expensive as you mentioned, Don't have any real feedback as to whether they were worth the cost yet. It was a late model Hemi build. Appreciate the posts!
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I built the pan in about 30ish hrs over 4-5 days.
The ring is there due to the depth of the valve releif. Where the ring land comes close to the valve pocket. We would like it higher. But....
.927 pin.
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