Putting Aftermarket Rb26 Cams Into Rb25 Head.

[Buckna]

Hey guys, need a bit of insight.

Have a set of JUN cams for rb26, 260in 270ex with 9.5 lift each. Now I know if I put them in, I lose vct, I have tomei cam gears to go with them.

Along with a MOTEC m48 pro, nismo 740cc injectors, greddy inlet plenum, garrett 3037s.

I know rb26 heads run solid lifters, I have a couple rb26 heads sitting around, and also a complete rb26 that is being forged and thrown in down the track, but was wondering if I could run these cams in the 25 for the mean time? Would there be any dramas with the 25 having hydrolic lifters?

As I know this is the case with stock rb26 cams, just not sure if it's the same with aftermarket?

thanks!

Buckna

[Adriano]

Pretty sure you will need to run the solids

[Simon-S14]

they would work in a neo 25... but yeah you'll need solids for a 33 25

[Buckna]

grrr, fail town. thanks guys guess that's just motivation to put the 26 in. lol.

[dori34]

they would work in a neo 25... but yeah you'll need solids for a 33 25

is this 100% true? If so im going to buy GTR cams as they're more common 2nd hand then R34 RB25 NEO items.

[Simon-S14]

neo runs solid lifters..

only issue you'd run into would be VCT and CAS drive.

[humz]

solid lifters on neo, no shit. so neo head is much more superior than non neo head?

whats pros and cons with neo head vs non neo??

[Simon-S14]

pro being solid lifters, more rev happy more reliable valve actuation

cons are that the stock cams are very mild and no one offers regrinds or drop in solutions other then jap brands.

combustion chamber is also smaller... not sure if this is a pro or a con

Edited May 31, 2010 by Simon-R32