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I heard about these years ago, but have never been able to find where anybody, anywhere has ever installed any. No write-ups in mags, no mention anywhere online of a build-up, no dyno runs. Nothing.
I posted a thread about those exact heads like less than a month ago.
yeah you did... lol..
sounds like a good head... my cousin has a 03 cobra (4 valve heads) .. his thing hauls ***.. and its like ..a 4.somethin??? imagine a 5.7L 4 valve supercharged engine... sounds real good.... but then again.. for 15 grand u can just buy a freaken LS7.. theres 500+ horses .
I posted a thread about those exact heads like less than a month ago.
Yes and with just the same reation. I wonder how many of these heads they have actually sold? Anyone know the cost of a pair of Barry Grant 24 valve heads?
Graeme, after seeing what your engine can already do to the drivetrain just wondered if you were looking for more power? If you decide to swap heads, let me know, I may be interested in your old ones.
maybe these heads deserved more fortune then what they seem they have, probably the market that they target is not that receptive for this kind of 'modern' tecnology...4 valve/cil might be seen like good for EU or japanese small displacement engines, not for large CI's powerplants...also, compared with the cost per HP in USA, using more traditional tecnology, they're simply out of the market altogether
Panic,
Thats where I was coming from , But the benefits could be, for someone like me with a new 350 installed and only run for 3000 miles, that its relatively easy 'bolt on HP', albeit at a price. But the other side of me says, for that sort of money I could sell my engine and build a really good 383 stroker.