ok got my afr's back from TEA,
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Originally Posted by pdd
here are the flow numbers
.1000 68.8
.2000 146.8
.3000 205.5
.4000 251.9
.5000 292.5
.5500 307.9
.6000 316.9
.1000 68.8
.2000 146.8
.3000 205.5
.4000 251.9
.5000 292.5
.5500 307.9
.6000 316.9
.200 142
.300 202
.400 246
.500 280
.550 292
.600 300
staying with the same cam for now. i had them milled .024
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Originally Posted by Phil99vette
What all did TEA do to the heads? What did the combustion chambers end up at?
Phil
Phil
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Originally Posted by ls1290
My TEA Stage III 6.0L heads flow better than those AFRs. What was done to them?
Keith
Keith
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Originally Posted by pdd
i had them ported polished and milled. there at 62cc. phil your mailbox is full
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Originally Posted by ls1290
My TEA Stage III 6.0L heads flow better than those AFRs. What was done to them?
Keith
Keith
You can't really compare flow numbers but if you have the same bench it somewhat levels the playing field. The main question is what does your cylinder head flow vs port size? A 180cc port that flows 300cfm will make more power than a 250cc port that flows 300cfm.
Phil
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Great numbers! Can you post up the exhaust numbers that TEA quoted. I just got mine from TEA on Friday with the standard exhaust port. My intake flow numbers are very similar to yours.
225CC runner 2.055/1.57 valves
.100 71 60
.200 142 127
.300 208 189
.400 260 236
.500 296 257
.550 306 261
.600 315 266
Good luck with your setup
225CC runner 2.055/1.57 valves
.100 71 60
.200 142 127
.300 208 189
.400 260 236
.500 296 257
.550 306 261
.600 315 266
Good luck with your setup
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Originally Posted by Reboot
Great numbers! Can you post up the exhaust numbers that TEA quoted.
.1000 59.5
.2000 124.1
.3000 184.1
.4000 227.7
.5000 252.3
.5500 263.4
.6000 268.2
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The intake port TEA uses on there 2.5 is around 228 cc's. Some people don't realize that they use the same port for there LS-6, 6.0, and AFR heads. The Stage 3's flow the best. The reason these AFR's have lower numbers than the 6.0 /3's is because they are the same ports as the 3's, shrunk .030" for the 2.05 valve. These are refered to as the 2.5's, which are intended for 3.900 bores. The 3's are for 4.00"+ bores. I got my AFR 2.5's about a week and a half ago. I've been spending alot of my time port matching my LSX, but I think I've about got it.
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Originally Posted by Beast96Z
The intake port TEA uses on there 2.5 is around 228 cc's. Some people don't realize that they use the same port for there LS-6, 6.0, and AFR heads. The Stage 3's flow the best. The reason these AFR's have lower numbers than the 6.0 /3's is because they are the same ports as the 3's, shrunk .030" for the 2.05 valve. These are refered to as the 2.5's, which are intended for 3.900 bores. The 3's are for 4.00"+ bores. I got my AFR 2.5's about a week and a half ago. I've been spending alot of my time port matching my LSX, but I think I've about got it.