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comp cams 280

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Old Mar 13, 2007, 08:04 PM
  #31  
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Originally Posted by Blue Evo 8
Ted, what if I do -4 Int, 0 exhaust on my HKS 280's will I pick up anymore mid-range or top end???

Currently on my ~500 AWHP 50 trim set up my gears are set at +2 Int, 0 exhaust.
Going to something like -4/-1 (with HKS cams) will increase high rpm power and reduce midrange torque a bit compared to the setting you're using now.

It's almost always a tradeoff. You give up a bit of something to get a bit of something else.
Last edited by Ted B; Mar 13, 2007 at 08:06 PM.
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Old Mar 13, 2007, 08:06 PM
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Originally Posted by Blue Evo 8
I see, so how does your power band feel below 3500 RPM's?

I wonder if I can benefit from this on my HKS 280's? or maybe it wont matter since my Turbo is pretty much maxed out
I'm thinking the lobe center on the comps is what makes this happen, like Ted was saying, the centers are not the same on the hks vs. comp... changing them on the hks would move the powerband around also, but to what gain?

Edit: Ted's too fast on the keyboard for me lol
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Old Mar 13, 2007, 08:06 PM
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Originally Posted by ifarted2
Hey Ted when we set our AEM cam gears to -4 on the intake it gained us power but i noticed the power band moved a little bit to the right is that seem nornal?
Yes, that is the tradeoff.
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Old Mar 13, 2007, 08:08 PM
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Originally Posted by Blue Evo 8
I see, so how does your power band feel below 3500 RPM's?

I wonder if I can benefit from this on my HKS 280's? or maybe it wont matter since my Turbo is pretty much maxxed out
Well i have a very large turbo so i don't feel much till 4800 rpm. Drivening around town feels like a Ford Fiesta till i hit boost and i carry my power past 9500 lol, Its funny with my E85 sticker in my rear trunk lid how many comments and conversations i get about how im helping save the planet If i only told them about my 2 years of running C-16 Sorry i got off subject there
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Old Mar 13, 2007, 08:17 PM
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I ran the comp 280's in my VIII for about a year....great cams w/ great power

had no problems w/ the cams at all, seemed to be manufactured well and held up in my car just fine
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Old Mar 14, 2007, 03:13 PM
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thanks for the responses. comp cams seem to be good.....with cam gears im guessing.
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Old Mar 16, 2007, 01:40 PM
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bump. ??
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Old Mar 16, 2007, 03:55 PM
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We just played with a set on the dyno, and if you want best power out of them, you will need cam gears (exactly as I predicted).
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Old Mar 16, 2007, 04:04 PM
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awesome!!!whats a good setofcamgears??thnx in advance
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Old Mar 16, 2007, 04:46 PM
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Unorthodox Racing makes a very nice set.
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Old Mar 16, 2007, 05:47 PM
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last question. does anyone who recently installed them know if comp fixed the problem with the different sized bolts ?? i need to know.
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Old Mar 16, 2007, 09:24 PM
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No, the bolt hole is for the cam angle sensor on the end of the exhaust cam. The hole was the proper thread but not quite deep enough. It is about 1/8" from being threaded deep enough

I just put them in like 2-3 weeks ago
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Old Mar 16, 2007, 09:26 PM
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Originally Posted by Ted B
Going to something like -4/-1 (with HKS cams) will increase high rpm power and reduce midrange torque a bit compared to the setting you're using now.

It's almost always a tradeoff. You give up a bit of something to get a bit of something else.
If I go with this setting will it throw off my tune?
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Old Mar 17, 2007, 06:14 AM
  #44  
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Not typically, no.
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Old Mar 17, 2007, 06:22 AM
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i had compcams ,defenietly makes good hp. No problem at all, untill i sold my car.since then i have no idea.
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