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Old May 24, 2011 | 11:23 AM
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Post Stock cam specs
I was wondering what the stock cam specs were on a 1978 351W. I'm looking into cams and wanted to know how much better it is than stock.
 
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Old May 24, 2011 | 03:24 PM
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The data I have says it produced 260 degrees seat-seat duration and 0.416" lift at the valve with the stock 1.6 rockers.
 
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Old May 24, 2011 | 09:12 PM
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What would you do? They are all comp cams
Xtreme Energy:
35-230-3
35-234-3
High Energy:
35-215-3
DUAL Energy:
35-416-3
 
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Old May 26, 2011 | 10:59 AM
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Looking for little aggressive idle but don't wont to go to an extreme camshaft. Or an aggressive idle but still is in the mild camshaft range.
 
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Old May 26, 2011 | 05:33 PM
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if you want info, call Comp Cams and talk to them. Most of what they do is done via a conversation. Even if you don't buy from them, you can learn a lot and get what you need.
 
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Old May 26, 2011 | 10:55 PM
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The right cam will depend upon just about everything about the vehicle the motor is in and how you use it, so maybe share that info.
 
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Old May 27, 2011 | 08:52 AM
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Originally Posted by Conanski
The right cam will depend upon just about everything about the vehicle the motor is in and how you use it, so maybe share that info.
well OK then...I called them a while back and said I have a 351W with a blower, am building that motor for around 500 hp for a street/strip application. Here is what I got:

  • Intake Lobe DUR: 232/.565 lift
  • Exhaust Lobe DUR: 244/.560 lift
  • Lobe Sep.: 114
  • Advance: 4
 
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Old May 27, 2011 | 11:47 AM
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Wow that's a lot of cam for a street vehicle, it won't idle worth a dam and will needs lots of gears because it's gonna be a screamer.
 
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Old May 28, 2011 | 06:28 PM
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Which ones would y'all choose from the list that I posted?
 
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Old May 28, 2011 | 10:24 PM
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Because of the restrictive stock heads cams with higher lift and a dual lobe profile produce more power with these motors, so my pick will go to the XE series since the others just leave too much on the table.
 
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