not a proline big block...its a 532ci bbc motor on alky with twin pro mod 91s with worked sonny's heads..engine builder is out of texas..its the same engine builder who has built all of wolfes motors. hans Fuestel or something like that.G-mac helps out with wolfes car also and tunning..an tech wolfe is just the driver.ken nelson owns that car and always has.
second fastest radial car is mel nelson if i remember right which his motor is 622ci bbc with twin pro mod 94s..
then you have berry with the proline power,followed by major and hance also which are not pro line power
heres who did wolfes heads
http://frankensteinracingheads.com/development.htm