Originally Posted by
1evo RRR Driver
Fellas quick question, for you motor gurus, Can I run 20% thru my RB T11 rc in stock form? Or do i have to add a shim to the head? im in the bay Area 70-100 degrees....If I do run 20% what are signs that would say add a shim!!
Add .10mm of shims. This will allow you to get the most out of the engine on 20%.
You dont have to add the shim, but it will allow you to lean the engine more. It is also easier on glowplugs to add the shim.