Look at it this way... Pistons are the number 1 cause of detonation! Just think, if the piston weren't there, you'd never have a detonation problem!
No, that's like saying crankshafts rod throws are the cause of detonation because if one weren't there, pushing up the rods and pistons, there would be no detonation.
Detonation is caused (primarily) by cylinder pressure that has increased to a value that is beyond the capablity of the octane available, to control. Given sufficient octane, there will be no detonation. In fact, the textbook definition of octane is "resistance to detonantion."
And Bill asked, "You seemed to think it was not a very good idea. Tell me why, please."
the dude wants $1200, and I'm sure that's what he payed for it. So your prices may be a skosh high.
In one post (to you, in fact,) I said, "A first-class, ported head is going for around $1,200.00 to $1,500.00 from what I hear, these days." But, in another, I said "you could save $1500.00" At 76 years old, I am lucky to be able to SEE the screen; give me a break... I need one!:pale:
Insofar as porting your own head, I have never done that. Have you? The slant six head, being cast iron and having long, narrow passages. looks like a ***** to port; a job I wouldn't wish on a dog... Conversely, most waste gates are adjustable... and, I am by nature, lazy... so, I was just being "ME." Turn up the boost, Elmer... LOL!:)
