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adjusting cam gears

rtwin

By rtwin,
in Drivetrain and transmission

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rtwin Contributor

rtwin

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I have a r32 gts4 with the rb20det on about 10psi boost (from autometer gauge), with no boost controller. It has a big fmic, pod filter, big oil breather, pivot air flow conditioner and full length 3in exhaust. It also came with hks adjustable cam gears and I want to know what settings would be good for some more low-mid range torque. I don't know which one is the exhaust one and intake one so directing me to an online manual or giving me detailed instructions would be nice.

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Sydneykid Grand Master

Sydneykid

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Hi rtwin, the exhauts camshaft is on the side of the engine with the exhaust pipe on it. It is easy to identify as it also has the CAS on the front of it. Which you have to remove to adjust the cam timing. Try around 4 degrees retarded for the one. The inlet camshaft is the one on the side of the engine with the inlet plenum on it. Try about 2 degrees advanced for that one. The engine turns clockwise, so advance is anti clockwise and retard is clockwise.

If you get it wrong (too far advance or retard) the valves will hit the pistons, which is not a good thing. I suggest this is best left to someone who knows what they are doing and has a dyno to confirm the results. Otherwise you are guessing.

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Kinks Grand Master

Kinks

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I'd book in some dyno time to get the gears adjusted just how you want it. You can tell the dyno tuner your objectives and they'll do the best they can. You'll also have an objective (sic) confirmation of your car's new power spread... :)

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