Originally Posted by ToddB
So you think my whipple would be fine with the 3.875 pulley about 9 to 10 psi. I am visiting ted over the fourth of july and will pick one up if JRE has it in stock. 20 hp is not to bad I will take it.
NYNY69 is running a 3.875 on his whip and its been ok. I'd check with Ted and get his thoughts on the fuel aspect of it. I think you'd be ok.