Quote:
Originally Posted by Johnny_Lamebridge
My solution was the remove and gut the heat riser and tap the shaft holes for a couple screws to seal the holes. I then bored the housing out to the gasket ID to get rid of any restriction that was there. My tired old 283 needs all the help it can get.
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Brilliant!
I'm going to steal your idea there.
I'm in the middle of swapping a crate 350 in place of my tired 283, but...like you, I didn't want to re-use that damn heat riser with my old ram horn manifolds.
That heat riser just looks like a problem waiting to happen.