RB25DET Camshaft Specs?

[akira]

Does anyone know the specs for a standard camshaft?

Can GTR cams be modded 2 fit?

Any help or advice appreciated:)

[meggala]

the specs for the rb25det are 240 240

the specs for the rb26det are 236 240

a =good cam for a mild set up is 256 or 264 any more is over kill.

and yes I believe yoou can mod the rb25 to fit rb26 cams which are better cause they are solid.

meggala

[matlowth]

solid cams?!?!?!

You mean to say that the GTS cams are hollow!?!?!!?!?!?!?

What do you mean there?

matt

[meggala]

they use solid lifters. hence you can rev the car higher thats why the rb26's can rev to 9000 rpm and higher. the rb25 has hydrolic lifters I think

meggala

[Guest BADASS25T]

is it a good idea to regrind your existing cams or to buy new ones??

[matlowth]

Not having reground cams myself, I can't really say what they cost. But unless you can get a regrind of a Jap cam (tomei, hks, nismo, etc etc), then you're really taking a risk as to whether the cam is going to be any good in your car. If they get the lift and/or duration wrong, it could completely stuff up the way your car runs.

If you want to change your cams, just foot the bill for some decent jap ones.

Or do what I did, and put gtr cams in your 25t.

cheers,

matt

[Jay95R33]

Mat,

How did you car behave after you put the GTR cams in?

Was there any noticable difference in power and smoothness?

I'm thinking that you may have had to get rid of the variable timing thingy... Is that right?

Thanks

Jayson

[matlowth]

Jay,

The car idles a bit lumpy (nothing too bad, just sounds like the car has a bit of a miss) - mainly due to the lack of vaccum at idle. This'd be fixable if the car wasn't running a MAF. Also because of this, the car's a bit difficult to start because the MAF has trouble getting a signal. I'm sure it can be tuned out tho.

Other than that, the car is smooth as, and runs well right out to 7500rpm with no noticable drop off in power.

matt

[Jay95R33]

Hmmm, sounds tempting

Maybe if I get a power FC I'll go down that track.

Thanks

J