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Discussion Starter #1
lets see some LS7 head pixs and flow numbers.

here are some prototype pixs of the new AIRWOLF LS7 head, the chamber is 4.070 wide.


LS7 flow numbers with 2.200 intake

.200 158 cfm
.300 225 cfm
.400 298 cfm
.500 335 cfm
.600 367 cfm
.700 397 cfm
.800 404 cfm


 

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how about the exhaust flow numbers
 

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2.20 is a pretty damn big valve for a 4.070 chamber. The flow numbers look very linear and better than I would have expected with that setup. What is the runner size?
 

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Discussion Starter #6
how about the exhaust flow numbers
Flow test a 28 inchs with 1 7/8 x 3 inch straight wall pipe

1.60 exhaust valve

.100 52 cfm
.200 109 cfm
.300 156 cfm
.400 201 cfm
.500 229 cfm
.600 245 cfm
.700 259 cfm
.800 270 cfm
 

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couple questions

what casting
what flow bench
what cylinder bore size was it flowed with
 

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Discussion Starter #10
couple questions

what casting
what flow bench
what cylinder bore size was it flowed with
our new private label casting we put in the guides and Seats
SF600 with flowcom
4.125 brezezinski fixture
 

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If the chamber is only 4.070, why did you flow it on a 4.125? Wouldn't you want your chamber size to match the bore of the engine? I'm asking because I'm trying to learn. Thanks.
 

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Discussion Starter #15
Yes we are using a procomp casting. It's a great hunk of aluminum to start with
 

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If the chamber is only 4.070, why did you flow it on a 4.125? Wouldn't you want your chamber size to match the bore of the engine? I'm asking because I'm trying to learn. Thanks.
Different cylinder head shops flow their heads on a set range of fixtures. Its common to see a head flowed at 4.00", 4.100", 4.125", 4.150". They dont all have setups to flow everything in .01 increments.

DR J's, I would be interested to see if the 2.20 valve is hampered in a 4.100 or smaller fixture or what the chamber size would do if it was open it to a full 4.100. You know a head with that much runner volume and flow is likely to see 4.155+ bore sizing. Not trying to challenge anything you are doing there, just current to see the developmental aspects of what/how you are going about that port and chamber profile.
 

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since i'm from Missouri, you need to show me for it to be real.

Those numbers really sound too good to be true. Not that it can't be, but if i had a head and flowed it on my bench i would believe it.
 

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Discussion Starter #19
since i'm from Missouri, you need to show me for it to be real.

Those numbers really sound too good to be true. Not that it can't be, but if i had a head and flowed it on my bench i would believe it.
everybody's bench is different we all know that..........but this type of poot is real touchy with it comes to the raduis entry. Just like a SB2 or big chief.
 
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