Originally Posted by 70VcodeCoronetRT
What are some simple yet effective hop ups for a new Hemi 6.4 crate. I just don't think 485 HP in a 69 RR will be enough. Cam swap? would like to get it to 500-550. Thanks


Well, the HP rating on that engine is with all accessories on it, including exhaust system,that is a NET Flywheel HP #, so comparing other dyno numbers that are a GROSS flywheel # can be quite different, what is the goal for the Road Runner , 1/4 mile ? some long tube headers is worth a little.

1968 Charger COLD A/C Hilborn EFI
512ci 9.7 compression, Stealth heads, 4.10 gear A518 ODtrans 4100lb,10.93 full street car trim
2020 T/A 392 Stock 11.79 @ 114.5