Omnitech 510 (In) & 480 (ex) cam timing & tappet clearances

[SJ Lambert]

What's the best clearance settings?

[pharriso]

Have you called OmniTech?

Contact details are here - http://omnitech-engineering.com/contact-us

[rgh0]

I run 8 thou on inlets and 10 thou on exhausts.

cheers
Rohan

[SJ Lambert]

Do you have a preferred set of cam timing settings Rohan?

[rgh0]

I have not used the cam combination you are using so I would go by Johns recommendations.

cheers
Rohan

[SJ Lambert]

He's given me a couple so I better gauge them both

[rgh0]

Yes he typically quotes a maximum power setting and maximum torque setting so you need to accommodate that sort of range if your going to experiment with timing

cheers
Rohan

[SJ Lambert]

I run 8 thou on inlets and 10 thou on exhausts.

cheers
Rohan

I'm supposed to be going with 6 & 7 (+-1).......................

[rgh0]

According to Clive, Johns cams have take up ramps to suit a nominal 10 thou clearance. You can use less clearance if you want. The exhaust clearances close up a few thou when hot and the inlets stay the same or maybe increase a little. Johns recommendations are safe, mine are just a little more conservative

cheers
Rohan

[SJ Lambert]

Oh my aching fingers, that was fun, not!