I've gained a solid .1 at the track and a full 1mph on 2 of my 2v mustangs I've put them on. Underdrive pulleys don't add hp to your car. They free up hp by lessening parasitic loss.
Freed horsepower would be both represented by total gains and curves on the dyno, neither which were present.
You've just fallen victim of modding and driving on a different day and assuming it was mods. While both are consistent by your account, there are many more variables at play with your experience than with the tools I saw debunk the udp myth.
Not necessarily... have you ever run back to back dyno's with wheels that weigh different amounts? FWIW, the difference in RWHP numbers is negligible, yet the car with lighter wheels (assuming the same size and brand of tire) will likely perform better in the 1/4 mile.
No it is also inertia related... no different than wheels....
Besides you clearly don't know chit... I mean for the christs sake you have a centri (-10 knowledge points) on a stock 5.0 block (-20 knowledge points)... seriously man hurry up and grab a rag to mop up your drool you damn retard.
But dyno will not lie in the sense of a back to back dyno same day same time.
You've just fallen victim of modding and driving on a different day and assuming it was mods. While both are consistent by your account, there are many more variables at play with your experience than with the tools I saw debunk the udp myth.
My track times don't lie. Multiple cars of mine. I've probably got 10 times the seat time at the track as you do. I track the DA, wind, 60ft, shift points, 330', 1/8 ET and MPH compared to what the car back halfs, etc.
I'll say it again, pulleys are worth a solid tenth in the 1/4.
My track times don't lie. Multiple cars of mine. I've probably got 10 times the seat time at the track as you do. I track the DA, wind, 60ft, shift points, 330', 1/8 ET and MPH compared to what the car back halfs, etc.
I'll say it again, pulleys are worth a solid tenth in the 1/4.
Uh oh! E peen contest!
I gave my input, y'all sped your money how you want. I consider them a huge waste.
how much do they help are they worth it right now at AM for sale $177
buy or pass?
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