I have a altered with a 540 brad fat head with a 206d at 92% with a lencodrive 3 speed 28% and 31%, with a Goodyear 36" tire with a 4.30 gear .Looking at the computer at the last 300 ' of the track the driveshaft rpm looks like a saw blade 200 rpm up and down,have pulled 5 degrees of timing when shifted into third and no help,added more wing nothing air presure on tires from 6.3 to 7 psi. We run on tracks that are marginalat best,but this at different tracks.
Car runs 6.3 at 218 mph 1/8 is...
traction at top end
