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JRyan · 03-06-2015, 06:41 PM

Don't know about the block situation. But the heads flow great. We've had a couple sets on the bench that we've done flow over 300cfm @.700 without getting really crazy with them with the stock size valves. Could be a pretty interesting combination I think.

Rick

03-06-2015, 06:41 PM	#6
JRyan Senior Member Join Date: Apr 2003 Location: Aberdeen SD Posts: 645 Likes: 30 Liked 112 Times in 31 Posts	Re: SS 5.3 ls combo Don't know about the block situation. But the heads flow great. We've had a couple sets on the bench that we've done flow over 300cfm @.700 without getting really crazy with them with the stock size valves. Could be a pretty interesting combination I think. Rick