So the owner has back surgery and cannot drive or shift the 4-speed for very long.
Yet he just has to go for a ride so he enlists a friend to finish driving when he gets tired.
The friend is so worried about driving a car as valuable as a T/A he spends most of his time watching gauges as he...
So, what would happen if you took a set of OOTB Stealth heads.....and.......
Stripped them
Put 'em on a flowbench
Checked the valve stem diameters and the valve heads for roundness
Checked valve guide clearance
Back cut the valves
Do a rough performance valve job in the heads and set valve...
9.9:1 compression, 91 octane, custom street solid roller 238/242 @ .050 (the equivalent of a 232/236 hydraulic roller)
589 HP, backup pull 592 HP with a graph that looks like this.........
We had just finished the dyno runs on our latest 448/440 build and a Challenger owner came by and asked about the build and results.
.040" over 440
Factory forged crank
H-beams
Forged flat tops
10.6:1 compression
91 octane pump gas
Customer requested Victor heads, that flow right at what the...
Here is the 505 stroker for the '72 Challenger.
750 cfm Holley
Edelbrock Torker II intake
Edelbrock RPM heads
Custom grind Comp Cams street roller
91 Octane from the Stinker Station
RPM............TQ/HP
3000........513/293
3200........534/325
3400........585/379
3600........597/409...