97-98 ITR's have different Cam's???? then 2000-01

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May 30, 2002 | 11:05 PM

Mr.Fairlady

Thread Starter

Joined: Apr 2002

Posts: 1,370

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From: CHARLOTTE, NC, USA

97-98 ITR's have different Cam's???? then 2000-01

whats up w/ that.Are the 97-98's slower the 2000-2001,.. or make up for it somewhere else?(CW hahaha)?
Was curious,.if so,..its easy as swapping cams then,. correct, to regain or even increase power?

May 30, 2002 | 11:09 PM

Yellow Dragon

Honda-Tech Member

Joined: Mar 2000

Posts: 5,035

Likes: 1

Re: 97-98 ITR's have different Cam's???? then 2000-01 (MR.K20)

No... not this debate again!

In a nutshell, the '97-'98 ITRs didn't come with A/C stock. It was believed that the '00-'01 ITRs had a slightly higher lift intake cam to compensate for this and the increased emissions on the newers ones.

[Modified by Yellow Dragon, 2:10 AM 5/31/2002]

May 30, 2002 | 11:21 PM

SurferX

Joined: Apr 2002

Posts: 1,248

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From: O.C., CA, USA

Re: 97-98 ITR's have different Cam's???? then 2000-01 (Yellow Dragon)

It's 3 degrees extra duration on the intake cam whoopee. If I was going through the trouble of upgrading cams on a 97-99 R I would probably get something a little more worthwhile.

STOCK 1997-1999 ITR profile

INTAKE lift - 11.5 mm,duration - 240
@1mm
EXHAUST lift - 10.5mm, duration - 235 @1mm

STOCK CTR and 2000-2001 ITR profile

INTAKE lift - 11.5 mm,duration - 243
@1mm
EXHAUST lift - 10.5mm, duration - 235 @1mm

[Modified by SurferX, 12:21 AM 5/31/2002]