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Is there enough to be gained from Cam Gears to make them worth the hassle on my Tomei poncams? I've read mixed reviews on the gains not being worth the tuning time and risking not tightening them properly when going between degrees on the dyno.

Thoughts?

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  • 4 weeks later...

Any material difference between tomei and HKS cam gears?

for memory the old style hks ones were crap and the bolt would slip on the face of the gear,

could be wrong thiugh

I've heard the new ones are better.. I just stuck with the tomei ones

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The early HKS ( green/purple) the gear ring was made of a softer material and would wear down and skip teeth, I had this happen lucky it was only 2 teeth and it didn't do any damage, I still have them but can not upload pics

Cam gears on RB26 is one of the best value upgrades you can do, IF you have them dialed in properly

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I settled for the Tomei ones and dialed them in at 2 degrees advance on the IN and 2 degrees retard on the EX.Will compare dynos vs stock and decide what to do from there. Re-dialing them in as not as easy as I thought.

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Please elaborate Mr Shepherd. They're a good upgrade over stock that's for sure.

The type Bs will give some extra peak power on the dyno but will do so at the cost of low end response and overall drive which is what adjusting the cam gears reduces, in a drag race two GTRs with the same simple bolt ons setup the same, one with stock cams and one with type Bs and both with their cams dialed in properly and everything being equal, the one with stock cams will win

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Please elaborate Mr Shepherd. They're a good upgrade over stock that's for sure.

no they aren't, they cost way to much in the bottom end of the rev range for tiny amount of gain they give in the top end of the rev range
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