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10-07-2011, 11:44 AM
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#1 |
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Registered User
Join Date: Feb 2011
Location: islamorada fl.
Posts: 466
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Estimated horsepower?
What is the estimated hp on a 69 307ci?Stock heads,600 cfm carb,alum intake,headers,hei.Cam sounds alittle lopy but not sure.Thanks.
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10-07-2011, 11:50 AM
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#2 |
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Registered User
Join Date: Oct 2008
Location: Marianna Arkansas
Posts: 7,261
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Re: Estimated horsepower?
12 to 15hp. Just kidding probably 170ish maybe a little more
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10-07-2011, 12:26 PM
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#3 |
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Registered User
Join Date: Jan 2004
Location: Whitehorse YK Canada
Posts: 2,651
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Re: Estimated horsepower?
Go to the GM Heritage Center Archive http://www.gmheritagecenter.com/gm-h...tion-kits.html and download the 1969 truck manual.
CE10 307 V8 Gross Horsepower 200 @ 4600 rpm Net HP 150 @ 4000 RPM Gross Torque 300 @ 2400 rpm Net Torque 255 @ 2000 rpm
__________________
Blaine 59 GMC 9314 a.k.a. Whoopee 68 C20 50th Anniversary a.k.a. The Rat http://www.flickr.com/photos/northerngmc/ http://www.members.tripod.com/P-wee/index_032.htm 1.61803 is one H of a lot better than 3.14159, no really it is! |
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10-07-2011, 12:28 PM
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#4 |
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Just a car guy
Join Date: Feb 2006
Location: New Washington, IN
Posts: 991
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Re: Estimated horsepower?
200 net if youre lucky.
A lot depends on that cam, a big lopey cam will hurt more than help on that combo.
__________________
1955 belair Blown Pro Street cruiser 1971 Camaro Pro Touring 1973 Vega Drag Car 1970 C20 tow rig |
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10-07-2011, 01:06 PM
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#5 |
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Registered User
Join Date: Feb 2011
Location: islamorada fl.
Posts: 466
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Re: Estimated horsepower?
Thanks,kinda what I was thinking.Down the road the 290hp 350ci crate would be a very noticeable upgrade.
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10-07-2011, 01:59 PM
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#6 |
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Registered User
Join Date: Sep 2011
Location: San Jose, California
Posts: 784
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Re: Estimated horsepower?
That's interesting: I had a 307 '71 SWB when I was 17. Did pretty much exactly the same mods to my engine as was done to yours: Corvette intake, 600 Holley, headers with glass packs and a mild cam. No matter what I did to it though, it never seemed to get any faster - it just got louder.
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10-07-2011, 02:28 PM
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#7 | |
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Registered User
Join Date: Feb 2011
Location: islamorada fl.
Posts: 466
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Re: Estimated horsepower?
Quote:
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