Adding weight, but don't want a big wheelie....

318willrun said
Disconnect the linkage to the back barrels. LOL... Retard the timing 10*. Pull number 6 plug wire. SOMETHING will slow that fish up!!!! :D

LOL, actually years ago I found that on my old motor (high 10 second motor) pulling the pin on the secondaries would knock about 4-5 tenths off.