Haven't heard much from afr lately? Still dyno testing?
04-14-2004, 12:35 PM
#4
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I am interested to see how they perform when ported. IMO they may perform about like an average set of stage 2 LS1 heads out of the box, but when ported they will really shine cause of the added material they will have over a stock casting...
04-14-2004, 12:50 PM
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Didn't someone say they are having diffuculty beating the flows on stock ported heads....??
after all the hype, they better significantly out flow ported factory heads....
after all the hype, they better significantly out flow ported factory heads....
04-14-2004, 01:10 PM
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Originally Posted by robertbartsch
Didn't someone say they are having diffuculty beating the flows on stock ported heads....??
04-14-2004, 01:17 PM
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Originally Posted by robertbartsch
Didn't someone say they are having diffuculty beating the flows on stock ported heads....??
have you heard about velocity, chamber size, etc?
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04-14-2004, 01:20 PM
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If they don't run the # velocity and chamber size don't mean much to us.
If the 225's don't outflow a nice stage 2 LS6 I'm not sure what the point is.
Honestly, I'm not sure why they did the 205's first. Big numbers sell stuff like this.
If the 225's don't outflow a nice stage 2 LS6 I'm not sure what the point is.
Honestly, I'm not sure why they did the 205's first. Big numbers sell stuff like this.
04-14-2004, 02:21 PM
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I think that their market is really going to be the guys who buy the heads, and them port them. The stock casting heads are reaching a top limit really. If the AFR heads flow similar out of the box to stock port jobs, then can be ported to add more cfm on top of that, then they will have a niche in the market for that reason.
04-14-2004, 03:01 PM
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As long as they have a thicker deck and we can choose the chamber size, I don't really care what they flow.
As far as velocity goes, I'm as concerned about it as I am the flow rates.
As far as velocity goes, I'm as concerned about it as I am the flow rates.
04-14-2004, 07:11 PM
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Originally Posted by Scott 98Z M6
Yeah, I am more looking at the thicker castings...tired of all the FI guys having to deal with the head lifting issues.
04-14-2004, 08:26 PM
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Originally Posted by Cstraub
I'm glad some of you don't build engines for a living...or manufacture parts. It takes alot of time to do it right.
Chris
Chris
04-14-2004, 10:57 PM
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For me it sure didnt help when they posted that weak dyno of the stock head vs. their heads. To bad it wasnt a straight swap, they had to add a cam, intake, and TB. WTF is that garbage???