Here’s the questions to ask yourself......
How much of a gain in power would you have to see out of the SFT to roller swap to justify the cost.......and does that seem realistic?
If it helps, here are the number 1 & 2 times for our combination:
11.52 120.28
11.58 117.98
Both were 511ci. I know for sure the second had a solid roller; pretty sure the first did also but, can't confirm.
The #1 motor made way more power than the #2 motor(it was also a much more expensive and sophisticated build).
It just shows how important the overall set up is, as motors with very similar power to that one have gone well into 10’s in heavier cars.
There was def a fair amount of ET left in that car.
Assuming the same weight, the speed difference shows there to about a 30hp spread between those two motors.
The actual difference on the dyno was more than that.
The #1 car could, and would break the tires loose pretty far down track.
The #2 car was much more predictable and easy to drive.........Once you were out past the 60’ clocks, you were golden.
