Recent content by Bill Volcko

You don't have to kill the engine, just cut back to idle power and see how she flies.

Did you say how it flies power off? If it glides well power off, then you have and engine alignment problem.

I did just that. Still flying the Challenger and now Xenos. EXPERIMENTAL GLIDERS do not have to meet the same criteria as type certified gliders.

Lucas also makes a ZDDP additive advertised 43,000 ppm.

Thank you very much for the link to the 1974 article! That explains everything.

I have yet to understand the difference between VW and Limbach. Does anyone care to explain?

Steel of some sort.

Lash was adjusted 4 times in the 30 hrs of operation. Valves were fine....seats warped.

I am running an Aerovee 2.1 with Empi heads. Exhaust valve seats needed regrinding after 30 hrs. Who makes better heads?

When I had a seal leaking on a 503, I found it by holding an ulit propane torch near the seals while the engine was idling. When the raw propane got sucked in through the bad seal the rpm went right up.

NGK B8ES spark plug sounds like you have bad carb boot or wrong plug