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Old 4-30-07, 10:09   #1 (permalink)
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cam gears?

does anyone make aftermarket cam gears for our cars
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Old 4-30-07, 20:47   #2 (permalink)
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Not even god makes cam gears for this car.

Piston position=(stroke/2+rod length)-(stroke/2*COS(crank position in radians))-SQRT((rod length^2-(stroke/2*SIN(crank position in radians))^2))
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Old 4-30-07, 20:56   #3 (permalink)
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what do after market cam gears do for cars

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Old 4-30-07, 22:45   #4 (permalink)
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They let you adjust cam timing.

The Mazda god said no, just forget it.

Piston position=(stroke/2+rod length)-(stroke/2*COS(crank position in radians))-SQRT((rod length^2-(stroke/2*SIN(crank position in radians))^2))
Power will intoxicate the best hearts, as wine the strongest heads. No man is wise enough, nor good enough to be trusted with unlimited power.
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Old 5-1-07, 0:53   #5 (permalink)
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Not even god makes cam gears for this car.
LOL. Its funny because its true...

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Old 5-1-07, 10:03   #6 (permalink)
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damn..

ok then.

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Old 5-3-07, 22:37   #7 (permalink)
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Didn't a group in like Aussy Town or something make a full out set because they were racing MX-6s for awhile.

This would be something I think Damon might be able to shed some light on I know I have heard about this before he just will not release the information. (Not damon the group is Australia)

Last edited by Cross; 5-6-07 at 22:12..

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Old 5-6-07, 21:57   #8 (permalink)
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Even with cam gears (adjustable cam sprockets) you will only be able to advance or retard both cams at the same time.

My understanding is that the parts you refer to are custom one off units. I might be way off, but I have never seen them for sale.

There is no real secret to making them, pull yours and bring them to a good machine shop, tell them what you want and they will be happy to take your money.

The trick is to get the rear cam (intake cam on the front head, exhaust cam on the rear head) adjusted independently. This is the only way to adjust overlap.

Piston position=(stroke/2+rod length)-(stroke/2*COS(crank position in radians))-SQRT((rod length^2-(stroke/2*SIN(crank position in radians))^2))
Power will intoxicate the best hearts, as wine the strongest heads. No man is wise enough, nor good enough to be trusted with unlimited power.
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Old 5-6-07, 22:50   #9 (permalink)
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hmmm not a bad idea.. just the whole adjusting part that will kick my ass...

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Old 5-9-07, 10:29   #10 (permalink)
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so no cam gears really made. so i can havethem prob custom right? what about a pulley kit. i bet they dont make that for our cars except the UDP. could i get custom pulley's?

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Old 5-10-07, 9:10   #11 (permalink)
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More or less the same deal as with the other performance parts. Underdrive pulleys are a minor upgrade at the power level for most V6s, you might be able to find some designed for another car that will work (even if they need slight modification it would set you apart from the masses). You'll want them to be lighter than what they replace otherwise you'll see little if any gains.

Piston position=(stroke/2+rod length)-(stroke/2*COS(crank position in radians))-SQRT((rod length^2-(stroke/2*SIN(crank position in radians))^2))
Power will intoxicate the best hearts, as wine the strongest heads. No man is wise enough, nor good enough to be trusted with unlimited power.
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Old 5-10-07, 10:04   #12 (permalink)
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thats what i was hoping. does anyone know if another car has some pulleys the same size as some of the pulleys for the mx6 that are performance? how much would it be to have custom pulley's made anyways. just an estimate? even if i was to have the made, i would def. want them to be lighter, but stronger. i wonder if paeco would do it......

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Old 5-15-07, 18:23   #13 (permalink)
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I imported a bunch of adjustable cam sprockets for the suzuki swift once. They cost about $150 ea ($300 for a pair).

I'd say if you got a minimum order of 20 sets of cams then that would get a company interested in designing and making the batch of cams for a reasonable price.

Getting a machine shop to make your own sprockets adjustable should be cheaper. A cost of $100Aus from some guy in australia who did it springs to mind.

The aluminium lightweight underdrive crank pulleys are alot cheaper, and easier to design. However, forgive my lack of knowledge, but isn't odd order harmonic crankshaft vibration not a problem on V6's, therefore the harmonic dampner required?

Last edited by Twisty; 5-15-07 at 18:29..
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Old 5-15-07, 21:58   #14 (permalink)
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Our current cam gear wheels are damn light. I forgot what they are made of but its not normal metal casting.

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Old 5-16-07, 7:42   #15 (permalink)
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Anyone ever remove the gears from the cams? Not the belt cog the gears.

Pictures would be great here.

Cross has a good point there, the belt cogs are very light and anything else would add quite a bit of mass to the rotating assembly.

Piston position=(stroke/2+rod length)-(stroke/2*COS(crank position in radians))-SQRT((rod length^2-(stroke/2*SIN(crank position in radians))^2))
Power will intoxicate the best hearts, as wine the strongest heads. No man is wise enough, nor good enough to be trusted with unlimited power.
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