Originally Posted by Cab_Burge
If your going to have less than 600Lb.opened don't worry twocents
If your wanting to rev it over 7000 RPM buy all new GOOD valve up


Cab, These are going on the 413 with that old school Crower cam (105LSA). If I shift it above 6000 RPM it would probably only be because I missed a gear. I don't see it being a high RPM motor, at least not intentionally... Lol.


[img]https://s9.postimg.cc/6fbjxzfvv/48-2016-_Drag-_Weekend-_Best-_Burnouts-lpr.jpg[/img]


73 GTX *440*727*8 3/4*
69 DART GT *440*4 SPEED*DANA*
73 ROAD RUNNER *451*4 SPEED*DANA*
64 F100 *383*4 SPEED*9"*
75 DODGE D300 *440*4 SPEED*DANA*
99 DODGE RAM 3500 4X4 DUALLY... ON 38"s