Just got my P90A head with big valves, ported intake and exhaust and a new WEB Cam kit, with grind #91. It has .450 " lift both intake and exhaust, the duration is 260` and the lobe centers are intake 106`, exhaust 111`. I know we used to run .620 lift and 310` duration on our racing 2.8's but then that was real racing and this is a street engine. Has anyone used this #91 Web grind? What are it's charactoristics? I know the hydraulic lifters do not like a lot of lift. What rpm's will this camshaft work... 6,500? More? Less?

The engine will be a balanced and blueprinted 2995cc with 9.3 cr, SU's and 6-3-1 header on it. It will be run in a restored '71 Z with a 5-speed and 3.90 L/S.

I am just looking for some help with this WEB camshaft.

No one has this Web cam or something similar????

Crow Cams for Datsun

I haven't used them personally , but the chart may give you an idea of the characteristics of yours?

Cheers,

Jim. :classic:

Thanks for the cam specs. I did not see any cam that has the lower lift and 260` duration. This must be a very mild cam. Ouch!