Head Work Needed For Fitting Rb26 Cams To Rb20?

[Rev limmiter basher]

Hi

I have been told I need to do some head work to my rb20 to fit rb26 cams to it. So I was wondering what needs to be done port and polish? Shave? Ect ect

Any help would be greatful

Thanks

[GTSBoy]

No, it's more to do with the fact that RB20s use hydraulic lifters and RB26s use solid lifters.

[Rev limmiter basher]

Is it able to be done then ?

[Moodles2]

Solid lifter conversion for starters, depends which RB26 cams too as the CAS key on the exhaust cams are different with R34s at least

[Rev limmiter basher]

So pretty easy then if I get a set of 32 gtr cams? And as for the headwork?

[Bsa]

It's all over google cams need to be re ground to work in the rb20

[R31Nismoid]

How about we start with - why do you want GTR cams?

What set-up does the car have? etc etc.

Lot of trouble/expense for... Not a lot. Infact user: Roy put in GTR cams and took them OUT if memory serves me correct and the lil RB20 didn't go well with them for the 260rwkw marker

[Rolls]

Why not just get a cam that is designed for the rb20 head? Do you even need cams to start with?

[elestrik]

Im not saying I know it all but in my opinion and I'm sorry if its harsh,it will be a waste of time and money. I have seen this done quite a few years ago with r32gtr cams into a rb20d s14 and for the amount of money vs time you will put into it you will be better off going aftermarket or just stick with stock ones..Sorry it's not a positive post

[The Dan]

Yes they bolt straight in, yes you get a small gain in midrange torque. Very small.

Downside is damage to lifters at high rpm due to the ramp rate on a hydraulic lifter

Many people have done it. I haven't heard anyone complain. I have heard a lot of people advise against it but they are usually just repeating what they have heard.

Proper hydraulic cams are definitely better

[iruvyouskyrine]

How about we start with - why do you want GTR cams?

What set-up does the car have? etc etc.

Obviously to help him be a 'Rev limmiter basher'

Edited March 25, 2012 by dirty jew