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Grams/Cyl....What's "normal" for an H/C 6.0??

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Old 07-19-2006, 06:29 AM
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Originally Posted by Yelo
I'm doing it on polished but otherwise stock LS1 heads...does that sound normal ??
hmmm, in comparison (if you could) one of the members on here has an SSR with a radix (I am guessing out of box) and I am looking at his 1/4mile run scan...he never breaks .96 g/cyl. IMO, that doesn't seem/appear to be much more than .80, however I know it is...just seems like that blower would get down that table a little further. I see alot of "bad" things in his tune, but just thought that was interesting. I have a scan of my old 5.3 with a 3.0 pulley and it got to the 1.20 mark. But that's not apples to apples.

Are you looking around and finding you seem to be low compared to others? why you ask?
Old 07-19-2006, 07:36 AM
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with my ls1 and cam i get around the .80 mark sometime alittle lower on the timming table. i'll look at some logs when i get home.

what are you useing for a temp sensor?
Old 07-19-2006, 11:18 AM
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dew: I'm asking because it actually sounds a bit high to me given the size of the cam and the mostly stock heads. I'm trying to do a bunch of head/cam comparisons for a future post using these numbers....I know this is almost an apples to oranges comparison because of all the other factors involved but I still think it'll give me some idea about relative head/cam combo flow numbers

4.8T: I'm still using the stock temp sensor in the MAF (the MAF is still in place but is disabled....fail freq. set to "0"
Old 07-19-2006, 03:39 PM
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Originally Posted by Yelo
I'm doing it on polished but otherwise stock LS1 heads...does that sound normal ??
I would think that is pretty good seeing how I have ported 243 heads.

Another note, I just looked back at a log of mine from about a month ago and I was hitting .85 g/cyl. Now I'm only hitting .80, not sure what has changed since then.
Old 07-19-2006, 06:31 PM
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ok i looked at some of my logs i was hitting a steady 80 and sometimes 84 but mostly 80. i have stock heads and the lpe cam. i put the stock intake pipe on since because of the ic install (no turbo yet) and the other intake would not fit. but now i'm hitting a steady 76 so now i know the stock intake pipe sucks lol.
Old 07-23-2006, 08:19 PM
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according to my log...i am hitting 1.46 under boost. Does that sound right?
Old 07-23-2006, 08:46 PM
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