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David,
Do you think the 'dam' in the LS7 inlet port would be of benifit in the L92 head, which is aparently very similar, but at less than $200 each for a bare head, MUCH more affordable. I have a new pair of castings ready for a bit of porting. I am hearing various estimates of 20-50 extra HP from porting these heads, and want to have a go myself.
I am building a L76 engine with a big ish cam 236/242 (.600 lift) 112 using standard size valves.
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