Whats The Difference Between Rb26 Heads

[Gt on full boost]

Hey ppl im new to the forums, now I have tryd using the search button but can't find any info

Ok well what the differents in the r32 r33 r34gtr rb26dett heads?

Are the ports diffent & inlet manifolds the cams ect... ?

Can anyone help

Thanx

[Shoota_77]

To my knowledge-

All heads are the same. There are two different part numbers but they've superceded to the latter one now, no visible differences I've noticed between my R32 and 33 heads compared with my brand new R34 part number head.

I believe the only difference in the cams is that the R34 has a different drive for the cam sensor (and different sensor obviously).

Inlet manifolds are slightly different on the R32 compared to 33 and 34 (not sure what but something to do with water pipes).

Supposedly 34 exhaust manifolds are slightly better flowing than 32 or 33.

As I say that's to my knowledge but there may be other things. At the end of the day you can put any head on any block and make it work with minor mods.

Just choose the right cams to suit your cam angle sensor.

[Gt on full boost]

Thanx man for the info

Anyother ppl know any more info?

[XKLABA]

the difference is cams, I believe ( but could be wrong ) the cam timing is different and the keyway for the cas is different as already stated

FWIW the manifolds look identical to me, I have both 32 and 34 here

[NoFigJamHere]

RB26 cylinder heads vary were the cam lobe releifs have been machined from factory, its why some cars/heads can run cams with more lift without machining.

[NoFigJamHere]

Also early heads have alloy gallery plugs and newer heads have ball bearings (steel balls) Later cast heads also seem to have thinner walls in ports.

[simpletool]

Just double check you are searching the entire forums - and not just this section which is drivetrain and transmission. If it's anywhere it will be in the sub-forum "Forced Induction Performance".

ie. This thread is in the wrong section.