Spec r has given you great advice.

The motor will handle 275 whp, with a good dyno tune. Don't mess with ignition maps unless you have a dyno. And leave the redline alone, until you upgrade the valve springs and retainers.

What more are you worried about as far as the engine goes?

Spec r has given you great advice.

The motor will handle 275 whp, with a good dyno tune. Don't mess with ignition maps unless you have a dyno. And leave the redline alone, until you upgrade the valve springs and retainers.

What more are you worried about as far as the engine goes?

Do a compression check before boosting!