Check the case where the fitting goes in the case and make sure no restrictions there and make sure the hole in rear support is lined up with the return passage.
All steel 3800 lbs with me in it 65 Coronet 451 CID Indy 440-1 heads by Dwayne Porter racing heads . ..... 10.31 @ 129.4 mph 1.40 60 ft ALL MOTOR!!!!
