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853 heads on a 6.0 with Gm hotcam Compression?

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Old 01-23-2006, 10:05 AM
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Default 853 heads on a 6.0 with Gm hotcam Compression?

I bought a 70 camaro with a LS1 6.0 block from a 04 truck and they put 853 heads on it and a gm Hotcam. The car should run real strong but does not. I think its probable in the tune but wanted to get a idea if they put the wrong heads on that 6.0 block. Any ideas?
Old 01-23-2006, 05:19 PM
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10.5:1.

I would bump to 11:1 but that just a bit more (7hp) up top. Is it Tq that is missing down low? It will pick up a bit there. Those heads aren't the best choice but a future move to ETP's -215cc- will get you up 40hp more.
Old 01-25-2006, 12:42 AM
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it shouldnt "not run real strong"... a cammed 6.0L should straight haul ***. Either its very choked up, poorly tuned, or you've got nerves of steel from driving the 454 cars...
olly
Old 01-25-2006, 12:48 PM
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Maybe you are right. I have a 68 Pro touring Camaro with a 496 that runs 11.4's. Still the 70 should go good. If its not the compression I will have them look at the tune. I bought it complete and they used one of those small Delphi computers that turnkeyengine sells. I have to send the computer to them to get it tuned which sucks. I thought about scapping it but will give them one shot at tuning it. I would guess that the car runs 13.5 to 13.8. I think with the combo that it should be able to go high 12's?

70 Camaro 6.0 with 853 heads stock ls 1 intake
shorty headers
700r4 which will be replaced with a Tko 600
411 gear 10 bolt.
Old 01-25-2006, 01:37 PM
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From what I've read, the Hotcam is not the easiest cam to tune. I'm thinking that the problem lies there.
Old 01-26-2006, 03:26 PM
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maybe the shorties? i dunno its a tun eor somethin so simple its being overlooked



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