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Terry Bride · 01-01-2016, 07:58 PM

I used a set of these on a 540 street engine with 9.98 compression, an out of the book Comp Street Roller (on a steel core) and a 950 Quick Fuel.
This thing surprised me with just about 750 HP (746 at 5900 and still at 743 at 6500) and 715 Lbs at 4900 rpm.)
This thing was still at 600 Lbs at 6500 rpm!

A very good cylinder head if you plan to keep the RPM between 6500 and 7000.

01-01-2016, 07:58 PM	#4
Terry Bride Junior Member Join Date: Jun 2011 Posts: 23 Likes: 8 Liked 0 Times in 0 Posts	Re: 496 - AFR315 Heads? I used a set of these on a 540 street engine with 9.98 compression, an out of the book Comp Street Roller (on a steel core) and a 950 Quick Fuel. This thing surprised me with just about 750 HP (746 at 5900 and still at 743 at 6500) and 715 Lbs at 4900 rpm.) This thing was still at 600 Lbs at 6500 rpm! A very good cylinder head if you plan to keep the RPM between 6500 and 7000.