PULLEYS...Whats your opinion?
#34
Originally Posted by DaveB
"Feel" and "does" are too completely different things. The undredrive pullies will indeed make the engine rev quicker in neutral, but on the track and dyno, the gains are very minimal, if any (0-2hp).
+1
You will get a little gain from the reduction in rotational mass and drag from the accessories. There have been guys who have done dynos with these and the gain #'s are very low. The real-world gains are a bit better.
The UR site says that most of the gains are from the reduction in weight and not from the underdrive.
I still vote "no". Save your money for better mods.
#35
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