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Old Dec 20, 2005 | 09:28 PM
  #31  
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From: houston
Originally Posted by timzcat
So you are saying the Revolvers are no better then the HKS 280 cams even though there is considerably more lift? Why is it that all you do is defend your HKS 280s?

To everyone though, you need to be shopping for cams based on what you want out of the car, not what everyone else thinks is a good cam.

If it's power your after then IMHO Revolver is probably making the best cam right now. I will tell you right now though they will not provide you your grocerygetter idle you may desire but I have seen them on a bone stock ECU and it still managed to handle the idle pretty well. I agree with enigma19 that it's all about the tune. The Revolvers were designed to work with the stock turbo and as such I am able to hold more boost to redline with no change but the cams. Hopefully soon I will have an opportunity to play around with cam gears on my car to see what will smooth the idle and how it affects the power curves.

As Revolver's name gets out and people start seeing more results you will start to see more and more people going to the Revolver cams. Not to mention thier springs are top notch as designed by a spring guru himself. Revolver is not in the market just to make a buck, they put a lot of thought into design and quality. Fortunately for all of you they are competitively priced with the HKS cams.
I think in time you will start to see Revolver cams in the fastest Evos in the world.
I'm not siding with anyone on this debate, but the attached thread shows EVO head flow vs. lift on a "questionable" flow bench, and I say questionable because the operator/owner of the flow bench was questioning the results. I'm assumng it's with stock valves and no porting. But it does have a nice graph imbedded. The thread never took of, and that's too bad, it could have shed a lot of light on high lift cams. The short version..... anything over about 8 mm lift doesn't add to flow. Take it with a grain of salt I guess.



https://www.evolutionm.net/forums/sh...t=flow+numbers
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Old Dec 20, 2005 | 10:05 PM
  #32  
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Given that the stock cams have more then 8mm of lift you have to question the results alone. Even though he comments on the fact that it is on a turbo car, the flow bench will not reflect the additional flow present when under positive pressure of boost IMO.
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Old Dec 20, 2005 | 10:14 PM
  #33  
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From: SoCal
Originally Posted by timzcat
As Revolver's name gets out and people start seeing more results you will start to see more and more people going to the Revolver cams. Not to mention thier springs are top notch as designed by a spring guru himself. Revolver is not in the market just to make a buck, they put a lot of thought into design and quality. Fortunately for all of you they are competitively priced with the HKS cams.
I think in time you will start to see Revolver cams in the fastest Evos in the world.
Thanks for the kind words! We just believe in making quality products and selling them through quality people. We also share all of our tuning and engineering data with our installers/tuners to help our customers get the best results possible.
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Old Dec 21, 2005 | 04:24 AM
  #34  
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a question about the lopey idle. isn't this taken care of with a stand alone?
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Old Dec 21, 2005 | 05:33 AM
  #35  
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Originally Posted by timzcat
So you are saying the Revolvers are no better then the HKS 280 cams even though there is considerably more lift? Why is it that all you do is defend your HKS 280s?
No Tim, I said nothing of the sort. What I did point out is the Revolver set has the exact same EFFECTIVE duration as the HKS 280s and therefore should be pitted against them in a test, not the HKS 272s that you tested.

I also pointed out that the Revolvers are ground on a tighter LSA than HKS, and it's been pretty well demonstrated that a slightly tighter LSA tends to improve BOTH power (up to 15-20whp) and torque to some degree with no other changes. Isolating this difference is as easy as twisting cam gear settings.

Is there something to be gained from the slightly higher lift on a stock head? Maybe so, but there hasn't yet been an apples-to-apples test that isolates the higher lift as the ONLY difference.

Last edited by Ted B; Dec 21, 2005 at 05:38 AM.
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Old Dec 21, 2005 | 08:57 AM
  #36  
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Originally Posted by megatron
a question about the lopey idle. isn't this taken care of with a stand alone?
Yes with a standalone like an AEM you would be able to really clean up the idle. On my car I am at 25% load at idle which is not where the stock ECU is intended to run at idle. It is hard to tune for idle in those load cells with a flash because that is realistically supposed to be a cruising load cell. This is where the limitations of flashes show thier shortcomings. I love the EcuTek software in and of itself but it has reached the limits of what we can get it to do with my cylinder head and these cams. The good news being I will pick up about 30 whp plus torque as soon as the AEM goes in the car.
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