10-24-2007, 12:48 AM
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#1 (permalink)
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Proven Member
From: martinsburg, West Virginia
Region: Mid Atlantic
Registered: Jan 2006
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Those with adjustable cam gears, what are your setting/advise
Those with adjustable cam gears, what are your setting/advise?
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10-24-2007, 01:59 AM
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#2 (permalink)
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Proven Member
From: Riverside, California
Region: SoCal
Registered: Jun 2004
Posts: 1,170
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a dyno
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10-24-2007, 02:26 AM
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#3 (permalink)
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Proven Member
From: martinsburg, West Virginia
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Yeah i know, but i wanted to know what are some basics retard/advance on the exhaust/intake, otherwise what are some basic settings that i can get started with and what would be a good point to start with.
I just need a some rough estimate on where to get started...
Advance exhaust does...
Advance intake does...
Retard exhaust does...
Retard intake does...
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10-24-2007, 09:01 AM
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#4 (permalink)
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From: Saint Louis, Missouri
Registered: Sep 2005
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Quote:
Originally Posted by silver bullit
Yeah i know, but i wanted to know what are some basics retard/advance on the exhaust/intake, otherwise what are some basic settings that i can get started with and what would be a good point to start with.
I just need a some rough estimate on where to get started...
Advance exhaust does...
Advance intake does...
Retard exhaust does...
Retard intake does...
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Its different for every motor. Depends on if your head or block deck is shaved, what kind of cams you have and all that good stuff.
Brian |
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10-24-2007, 10:00 AM
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#5 (permalink)
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From: Rio rancho, New Mexico
Region: Southwest
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Dyno is the only way unless you find someone with your exact set up that has been to the dyno.
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10-24-2007, 10:39 AM
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#6 (permalink)
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From: Grants Pass, Oregon
Region: Pacific Northwest
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So from this discussion, it seems the adjustable cam gears are worthless without a dyno. Good to know that! They never really tell you any of that when they're trying to sell you those damn things.  |
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10-24-2007, 10:55 AM
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#7 (permalink)
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DSM Wiseman
From: Newmarket, Ontario, Canada
Region: Central Canada
Registered: Nov 2004
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10-24-2007, 01:35 PM
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#8 (permalink)
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From: Fair lawn, New Jersey
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What setting do most people use, and why don't alot of DSM's advance intake only?
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11-09-2007, 06:59 PM
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#9 (permalink)
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From: Toledo, Ohio
Region: Midwest
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Mine ended up both set at 0.
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11-10-2007, 06:17 PM
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#10 (permalink)
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DSM Wiseman
From: Bloxom, Virginia
Region: Mid Atlantic
Registered: Jul 2004
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Quote:
Originally Posted by xxraptor660xx
What setting do most people use, and why don't alot of DSM's advance intake only?
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Answers to these questions are not relavent to increasing performance. . . 
It's just not as popular. Most don't muck w/ 264s. They muck w/ stock cams to get the most out of them. Or they muck w/ 272s which usually yield better spool w/out loosing much top end. . .
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dd '90 GST, Holset H1C
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11-10-2007, 06:21 PM
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#11 (permalink)
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DSM Wiseman
From: Bloxom, Virginia
Region: Mid Atlantic
Registered: Jul 2004
Posts: 4,702
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Quote:
Originally Posted by architechnik
So from this discussion, it seems the adjustable cam gears are worthless without a dyno. Good to know that! They never really tell you any of that when they're trying to sell you those damn things. |
On the contrary, Anyone w/ fp2x cams that retards the exhaust cam about 3 degrees will ALWAYS yield an increase in spool speed and basically have a set of fp3s. As the only difference between fp2x and fp3 is the overlap (exhaust cam timing).
I saw great results retarding my exhaust cam on my fp2X cams regardless of turbo: 60-1, 18g, or small 16g.
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dd '90 GST, Holset H1C
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10-14-2008, 09:02 AM
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#12 (permalink)
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From: Warwick, Rhode Island
Region: New England
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What if you have an FP1 intake and an FP2 exhaust...would you recomend retarding the exhaust gear 2.5 degrees?
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10-14-2008, 02:02 PM
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#13 (permalink)
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DSM Wiseman
From: Bloxom, Virginia
Region: Mid Atlantic
Registered: Jul 2004
Posts: 4,702
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Only experimenting can tell for sure. I've had no experience with the fp1/fp2 combo, but they do have the same overlap. Retarding the exhaust cam will help spool speed and when you go to a stroker, this timing will likely be better for the piston velocity.
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Matt
dd '90 GST, Holset H1C
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