Best Cams For Response

[700HP-GTR33]

while you change the cams do the retaining bolts for the cams. They have a habit of breaking as they cop a fair bit of fatigue when being torqued off and on. Tomei make some beefy ones. Also worth having a look at the valve springs etc. depending on what rpm etc you are going to see often and which cams you went for in terms of lift.

PONCAMS 260 in and ex ..9.15 Lift...TYPE B 143005 .

Can not find Tomie Bolts.

Was told to keep the standard lifters.

Thanks.

Hope I am not High-Jacking this thread

[rev210]

tomei bolts for cams here;

http://www.tomei-p.co.jp/_2003web-catalogu...ts_.html#kyouka

[DRIFTER]

no, keep going. this is the most constructive thread i've started, even nismoid didn't flame me

has anyone else heard of reducing exhaust runner diameter to increase air speed to increase response?

p.s run out of money for cams, so standard ones will have to do. what cam timing specs do people recomend? i'm tunning it next weekend, i'll keep you posted with the results.

[rev210]

2 deg advanced on the intake cam and 4 deg retarded on the exhaust cam , for stock units this is generally the starting point. Mind you thats for stock turbos airflow.Use it as a starting point since you may find a slight adjustment either way might give better results given the airflow on the 300rwkw turbo you have.

[R31Nismoid]

2 deg advanced on the intake cam and 4 deg retarded on the exhaust cam , for stock units this is generally the starting point. Mind you thats for stock turbos airflow.Use it as a starting point since you may find a slight adjustment either way might give better results given the airflow on the 300rwkw turbo you have.

Ye, every car is different, some like a degree here or there over others.

Its really something you need to play with on the dyno to see what will work best.

[700HP-GTR33]

tomei bolts for cams here;

http://www.tomei-p.co.jp/_2003web-catalogu...ts_.html#kyouka

http://www.nengun.com/catalogue/product/777

Are these the ones?

Might be worth the money seeing I am chasing a reliable ride.....

Just ordered them...the easy work is done just need some one to fit and tune

[r32gt_rb20]

can the poncams for the Gtr be fitted in a RB20??

Edited November 29, 2006 by r32gt_rb20

[RB20/30Det_VL]

yes if u have supporting valve springs and solid lifters as gtr cams are solid