3650 lb car
Stroked 318/390 - inc Eagle crank, KB slugs.

Then ported cast 587 heads - 2.02 valve

also
XS282S cam
3.89 gears / 27" tyre/ 904 trans
TQ / LD340

12.6 @ 108.7 mph - 1.85 60 ft.

2 issues - Uncool tyres - a 60ft you wouldn't take home to meet your mother.....

and, ......now running an M1 SP making 30 RWHP more than the LD340....so maybe 12.2-12.4 now?