Hi,
Regarding the cam timing... both the GP2 and GP3 have 110 degree lobe
centers, so advancing the cam by 1/2 tooth would move the intake lobe
center to 106-ish which is where a lot of hi-po cams are.
Just a point of reference, setting the stock US spec cam to about 7
degrees of advance (that's a whole tooth, almost) yields a very nice
torque curve and some of the Street Prepared TR6 guys do this as a matter
of course. It works.
Timothy - you are right, it's best to install the cam as spec's on the cam
card. However, when you're looking for extra ponies you can get better
low-end torque by advancing the timing a smidge.
Over and out
rml
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Bob Lang NER/SCCA | This space for rent
Solo Chair 2008 TR6 40 F Prepared | Triumph!
Voice:781-438-2568 FAX: 617-258-9535 | Cell: 339-927-4489
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