331 and 347 questions - Page 2 - MustangForums.com



5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.
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Old 12-04-2011, 09:54 PM   #11
tinman
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Remember also that you'll need good heads and a cam that's different for either the 331 or 347 engines.
302 parts make 302 power and that is not what you're looking for.
Trick Flow, AFR, Edelbrock all make good useable heads for 331/347 engines.
Comp Cams has new stuff on the shelf for them also.........
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Old 12-07-2011, 07:11 AM   #12
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ok thanks i looked at comp cams website and i think i might go with the 35-776-8 cam. its a good street high RPM hp and torque cam
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Old 12-07-2011, 07:22 AM   #13
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you will make very similiar power with either 331 or 347, im very pleased with the comp cam im running
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Old 12-07-2011, 05:14 PM   #14
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ok, what kind of cam are you running?
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Old 12-07-2011, 06:09 PM   #15
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ugh i want a stroker...
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Old 12-07-2011, 11:18 PM   #16
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It's a very cost effective way to go IMHO.
Not real cheap but maybe the best.
Really figure about $5000 by the time it's all built, balanced and machined.
Price would be about the same doing something like a 408 instead of a 347.
I've included buying everything new in the prices, if you can find 'deals' someplace that's good too.......
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Old 12-08-2011, 01:36 AM   #17
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Pending yr its not the same money doing a 408/347 not even close. The 776 is a great cam I used it in my buddies 331 he loves it. My 347 topend included 3500$.
im running the 35-556-8 and its awesome good n/a power and loves the gas!
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Old 12-08-2011, 09:30 PM   #18
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alright sounds good, what cc heads do you guys think i should get i want AFR but im not sure yet what kind
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Old 12-08-2011, 10:39 PM   #19
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347? Pending use 185s.
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Old 12-09-2011, 11:32 PM   #20
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ok lol
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