Originally Posted By 462hemi
Lol.....I actually would if I had a set of each not in use smile......on my 423 a set of thiteks was worth 40 horsepower at the wheels over ported 6.1s with stock valves. The thiteks had 2.20s. I still love your duster.....One of these I will get to see that beast smile


That's impressive! The next time I blow a motor I'll be looking for a different set of heads.

What part of Texas are you in? Austin? We'll have to meet up and talk cars.


-'02 Dodge Viper Ex-World Challenge racecar
-'73 Duster, 6.1 based 392 hilborn hemi, tko600, full floater rear 9", Hellwig custom bars, viper brakes, built for road course