Dane,
When I was running Norvels hard I had to use OS R5 plugs. They are cold and made for car racing. They held up very well.
Webra Advice Needed
Moderator: hbartel
I have not used the Mccoy 9 on a webra but we used to use them in racing on engines that had a tendency to blow plugs and they almost always solved the problem. i have used OS 8 plugs in Brian's webras and they have held up well. the HS needle is very sensitive. you need to have a prop that will let the engine wind up on the ground, the engine needles best if it is well over 19k on the ground and preferably 20k. i had fewer needling problems when i switched to Powermaster fuel.
- Dane McGee
- Posts: 885
- Joined: Fri Feb 21, 2003 1:57 pm
- Location: Greenville, Texas
Thanks guys for all the help.
Last edited by Dane McGee on Mon Mar 01, 2010 5:12 pm, edited 1 time in total.