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Old Mar 25, 2020 | 12:01 AM
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Need cam help!

I have a 95 f150 with a 5.8 speed density, i rebuilt bottom end.030 over with speed pro flat top pistons with about 9:5:1 static compression, lightly ported stock e7 heads and bbk shorty headers, adjustable fuel reg. I’m stuck between comp cams 35-308-8 or 35-349-8 does anyone have either of these or could someone help decide lol
 

Last edited by Ronald Kramer; Mar 25, 2020 at 12:02 AM. Reason: Mispelling
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Old Mar 25, 2020 | 04:30 PM
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Both good cams, the 308 is a little milder and will favor low rpms power just a bit more and should produce smoother idle.
 
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Old Mar 25, 2020 | 05:16 PM
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Cam

Originally Posted by Conanski
Both good cams, the 308 is a little milder and will favor low rpms power just a bit more and should produce smoother idle.
I called comp and they gave me one specific cam for speed density and said thats the only one that will work which i know is bs lol, also do you think bbk short tubes are good or should i go through the mess of doing a long tube setup, its a daily driver and weekend woods truck, just trying to give it good torque, you seem to be the man to talk to lol
 
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Old Mar 25, 2020 | 07:19 PM
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What cam was that? LOL.
 
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Old Mar 25, 2020 | 10:11 PM
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Originally Posted by Conanski
What cam was that? LOL.
35-512-8 was the only one he said will work lol
 
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Old Mar 25, 2020 | 10:24 PM
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I have the 349 cam in my f350 and I love it
 
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Old Mar 25, 2020 | 11:18 PM
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Cam

Originally Posted by bootless1075
I have the 349 cam in my f350 and I love it
your’s is speed density to or maf?
 
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Old Mar 26, 2020 | 08:00 AM
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speed density I also have gt40 heads with Some exhaust work
 
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Old Mar 26, 2020 | 10:08 AM
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Originally Posted by bootless1075
speed density I also have gt40 heads with Some exhaust work
i might try that one out as long as the torques still good in the low range
 
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Old Mar 26, 2020 | 04:55 PM
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If you want maximum low rpm torque the 35-512-8 is the cam to use, the others trade a little bit of that away for a little bit more HP.
 
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Old Mar 26, 2020 | 06:11 PM
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Originally Posted by Conanski
If you want maximum low rpm torque the 35-512-8 is the cam to use, the others trade a little bit of that away for a little bit more HP.
that’s the one comp said to use, right now my motors so weak i have to push the pedal in further and further to maintain speed up small hills lol i need to get this motor built and in lol not to mention it burns about 6-7 quarts of oil a week 🤣🤣
 
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Old Mar 27, 2020 | 07:22 AM
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With my current setup I can pull 8000 up a hill and never hit second
 
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Old Mar 27, 2020 | 11:31 AM
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Originally Posted by bootless1075
With my current setup I can pull 8000 up a hill and never hit second
that’s good my current motor will barely pull itself up a hill lmao are you still using stock intake and throttle body? I thought about oversized bbk throttle body but i dont’t know if it’ll actually make a worthwhile improvement
 
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Old Mar 28, 2020 | 09:37 PM
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Originally Posted by Ronald Kramer
that’s good my current motor will barely pull itself up a hill lmao are you still using stock intake and throttle body? I thought about oversized bbk throttle body but i dont’t know if it’ll actually make a worthwhile improvement
What gear ratio's in the rear end ? My 96's 351 has 150K on the clock, GT40 heads, Cobra rockers, stock cam, shorty headers, full 3" single exhaust and 4.10 rear. It'll go up and down hills at highway speeds towing a loaded 20 ft tandem trailer in OD.
 
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Old Mar 28, 2020 | 09:57 PM
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Originally Posted by baddad457
What gear ratio's in the rear end ? My 96's 351 has 150K on the clock, GT40 heads, Cobra rockers, stock cam, shorty headers, full 3" single exhaust and 4.10 rear. It'll go up and down hills at highway speeds towing a loaded 20 ft tandem trailer in OD.
3.55’s but it has 387,000+ miles on it and burns a case of oil a week lol i’m building a new motor, was going to go with some sve lightning heads but a bunch of people told me the speed density wont tolerate heads, cam and over bore so i just ported the stock e7 heads and will get a decent cam, plus i went up on the compression to 9:5:1
 
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