Cam Gear adjustment

Discuss the RB20, RB25 and RB26 series engines.
mott6904
Posts: 679
Joined: Tue Jan 30, 2007 2:50 pm
Car: rb20 big turbo big cams s13, 97 kouki, turbo audi a4,turbo busa

Post

I have a rb20 with a short runner intake manifold, ported head, kelford 10.2mm lift 260 duration cams and a 60-1. What do you guys think i should adjust my cams to for some good low end power? I have searched and cant find anything. I would just take it to a tuner but there are none around me to trust.


240z4u
Posts: 2071
Joined: Mon Feb 21, 2005 4:47 am
Car: '95 Nissan 240SX

Post

You really need to tune cams on a dyno. You don't have to have a tuner you trust but a dyno operator. You seem like you know how to adjust them, but dyno isn't gonna help you get it dialed in very well.

Evan

mott6904
Posts: 679
Joined: Tue Jan 30, 2007 2:50 pm
Car: rb20 big turbo big cams s13, 97 kouki, turbo audi a4,turbo busa

Post

I know that you really need to do it on a dyno but there isnt a shop that i will trust around my area. I can use a dyno at my buddies hot rod shop but he doesnt know anything but v8 stuff. I going to put it on a dyno as soon as i save some money for a good tune, then im going to degree cams at the same time. I was just curious if any out there has degreed a rb20 with cam and turbo could give me some info on this. I thought if you Advanced the intake cam and retard the exhaust then you would gain low end and loose some top end. I dont know much about degree cams at all, so someone help me out.

l0nestar
Posts: 2251
Joined: Fri Mar 10, 2006 5:24 am
Car: 1993 Nissan 250SX
2004 Toyota Altezza
1963 Chevy Impala SS
Contact:

Post

What did Kevin / VMS say? Or did you even ask them?

User avatar
Carl H
Posts: 5985
Joined: Mon Aug 04, 2003 4:09 am
Car: 1995 Nissan 240SX SE RB30DET

Post


mott6904
Posts: 679
Joined: Tue Jan 30, 2007 2:50 pm
Car: rb20 big turbo big cams s13, 97 kouki, turbo audi a4,turbo busa

Post

Yea I talked to kevin about and he said they could do it, but money is tight and I'm able to use the dyno for pratically nothing. I was think it counld'nt be that hard, I was just going to start adjusting them and the crank it over by hand to make sure it was hit a valve and then keep adjusting till im happy with changes.


Return to “RB20DET / RB25DET / RB26DETT Forum”