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Join Date: Feb 2008
Location: Knoxville, Tn
Posts: 808
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Cam suggestions 3.0 mountain carver
I know this isn't the first time this, I've done a little research on here but want to throw out what I'm looking for.
Engine is an 79 big port 3.0, 40 Webers PMO short manifolds, heads are stock big ports, 10.5:1 95mm P&C that I already have (debating going 9.5:1 or 9.8:1 if I have to I do not want to go twin-plug due to the expense, this is a hot rod/stress reliever, not a race car) B&B 1-5/8 stainless headers with a sport exhaust, MSD ignition and a planned re-curve on the euro distributor. Trying to decide on a good cam. Car spends it's life in the mountains. It is a light weight canyon carver. Of course, reliability/drivability are key factors. I have a 7:31 915. I'm looking for power across the board but something that will be really snappy in the switch backs. I don't see much pass 3rd. I do a lot more autocross but would like to be able to have fun at a DE. So any suggestions for a cam? In Wayne's book he mentions the 3.0..webers, 10.1:1 and an early S cam. I want to keep it simple like that. Is an early S cam a good option still? Thanks! Miles
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'80SC ROW '76S Wide Body '87 G50 Coupe '69T Bahama Yellow Last edited by Bmxrams80sc; 02-19-2014 at 04:18 AM.. |
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02-18-2014, 08:51 PM
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Join Date: Jul 2001
Location: mt. vernon Wa. USA
Posts: 8,702
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I'd go with e-cams. I built a very nice 2.7 w/9.5:1 JE's, SSi's, E-cams, 40mm webers, MSD/pertronix, etc.......great combo and one of the best street/canyon carver combos ever.
regards, Al
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[B]Current projects: 69-911.5, Previous:73 911X (off to SanFrancisco/racing in Germany).77 911S (NY), 71E (France/Corsica), 66-912 ( France), 1970 914X (Wisconsin) 76 911S roller..off to Florida/Germany RGruppe #669 http://www.x-faktory.com/ |
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02-18-2014, 09:24 PM
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Join Date: Dec 2007
Location: lexington, kentucky
Posts: 537
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Call Dougherty cams (530) 672-2286
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02-19-2014, 04:11 AM
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E over S Cam
Al, why did you go with E over S cams? What Octane gas to you use. Thanks
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Outlaw .... by definition ..... does not follow rules well www.FloydDesign.ca https://www.youtube.com/watch?v=sV5aIALWlG8 |
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02-19-2014, 04:16 AM
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Join Date: Feb 2008
Location: Knoxville, Tn
Posts: 808
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Ill give them a shout and see what they think! thanks.
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'80SC ROW '76S Wide Body '87 G50 Coupe '69T Bahama Yellow |
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02-19-2014, 04:17 AM
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Join Date: Feb 2008
Location: Knoxville, Tn
Posts: 808
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Were the E's more torquey? Is the early S cam still a good option for a broad range of power? Also, were all the 73 back S cams the same profile?
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'80SC ROW '76S Wide Body '87 G50 Coupe '69T Bahama Yellow |
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02-19-2014, 04:21 AM
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Project Addicted
Join Date: Jul 2012
Location: Eastern Shore. MD
Posts: 919
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I just saw a cam chart somewhere in the engine rebuilding forum. It had all the different cams listed and their specs. I might have saved it but you should find it with some searching. I don't have Dougherty cams but John was super responsive and helpful with a few timing and compression ratio questions that I had. If I were to buy, I would get cams from him. Just my .002.
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Jon 1966 912 1976 911 3.4 Backdate Project 1986 944 |
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02-19-2014, 04:43 AM
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1969 Lotus 7S3
