6.1 blocks are scarce enough that NHRA now allows the use of the aluminum block. Chuck Lofgren reported a significant power increase, and poor 60 fts because the car trips the 60 ft beams with the back tires. Chassis tuning time😀

Last edited by gregsdart; 08/23/17 08:05 AM.
8..603 156 mph best, 2905 lbs 549, indy 572-13, alky