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Old 04-22-2007, 02:27 AM   #1
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cam with GS motorsports kit?

Just wanting to know if anyone has a cam installed in conjunction with the GS motorsports S/C? I'm wanting to put a comp cams 268 in with mine...

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Old 04-22-2007, 09:44 AM   #2
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cam with GS motorsports kit?

cmon man thats just not fair!! seriously i hope you can do that setup. i dont think i have heard of anyone running a different cam with the sc.
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Old 04-22-2007, 10:40 AM   #3
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cam with GS motorsports kit?

I just installed a Frank Racing, Hell Fire cam in my truck. I'll have some tuning issue's to deal with before I can turn up the wick. It has a nice little lope to it and then combine that with the whine of the blower....Nice!
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Old 04-22-2007, 10:51 AM   #4
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cam with GS motorsports kit?

hemi2nv, what do you think of that cam so far? would you recommend it for a heavy quad cab 4x4? im trying to figure out whats the best cam with real good low end hp/tq
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Old 04-22-2007, 11:37 AM   #5
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cam with GS motorsports kit?

As soon as Denny can get it tuned, I'll let you know. We ran out of time yesterday and he has another supercharger install scheduled for the first part of the week. He should be able to get to my truck right after that.
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Old 04-24-2007, 03:01 AM   #6
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cam with GS motorsports kit?

Hey Rob, yeah I'm lookin' forward to it...the hardest part is just waitin' for it to get done he heh...Dave recommended I put the cam in to make the most of the S/C...I trust his advice...
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Old 04-24-2007, 05:36 AM   #7
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cam with GS motorsports kit?

yeah dave definitely knows his stuff. if he said do it, i would. man your tires are gonna be beggin for mercy. haha
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Old 04-26-2007, 12:42 PM   #8
 
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cam with GS motorsports kit?

How much overlap is in the Comp 268, or the Franks Cams? I know the comp has 113 LSA which is alright for boost, and Franks have LSA's of 114 and 115 which are better.
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Old 04-26-2007, 01:59 PM   #9
 
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cam with GS motorsports kit?

ok found an easy calculation for overlap....

advertised duration (intake) + advertised duration (exhaust)....divide by 4

subtract the answer by the LSA (lobe separation angle)....multiply that answer by 2...

so the comp 268 overlap calculation would be ...

268 + 272 = 540

540/4 = 135

135 -113 = 22

22 * 2 = 44........so there is 44 degrees overlap

I don't know what the advertised durations are on the Franks cams are.......I've only seen the durations @.050......calculation will not work for these durations

The other calculation is to use intake opening time and exhaust closing time...here's a link

http://www.empirenet.com/pkelley2/Overlap.html
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Old 04-28-2007, 01:30 AM   #10
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cam with GS motorsports kit?

So it looks like the comp 268 would work all right then?
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