Originally Posted By Cab_Burge
If your wanting to rev your old 426 type Hemiroid motor up past 7000 RPM the Barton and other single rocker per shaft systems are the best way to go up If you want to keep it under 7500 RPM the stock type systems work well for that application, with the proper parts work devil whistling


Mine Petered out at 7900 on motor on the dyno with my little ole street nitrous cam.

1963 Belvedere 440 Max Wedge Tribute
1970 Charger R/T S.E. 440 Six Pack
1970 Challenger R/T, 528 Hemi
1970 Charger 500 S.E. 440 4 BBL
1970 Plymouth Road Runner 383
1974 Chrysler New Yorker 440
1996 2500 RAM 488 V-10 4X4
2004 3500 Dually Cummins 4x4
2012 Challenger R/T Classic.