ignition · FF-0469

What ignition timing was the supercharged ARDUN started on?

Steve set the distributor at 26 degrees of advance, locked in. The rule of thumb given is to take out one degree per pound of boost, which would bring it toward about 20.

Expert

Steve Coppock

Evidence

expert attributed

Component

ignition timing

Applicable scope

Steve Coppock's supercharged ARDUN overhead valve Flathead, 8BA block, about 289 cubic inches, with a Weiand 177 on the engine dyno at Klein Engines