Are you going to dyno advancing the timing too? Wonder how much hp it can
increase. It definitely felt alot stronger. Oh one question, if the engine
retards the timing on a hot day when it senses pinging, will it advance it
back to where you set it when the weather gets cold again?
> Today I tested the Unorthodox Racing Underdrive Pulley. I was expecting a
> gain of around 5 hp to the wheels which is typical for a SR20 powered car.
> Since the GA16 has the same accesories but less power, I was hoping for
even
> a greater gain.
>
> Unfortunatly the results were less than I expected. The Pulley made one
> more peak hp but it was really more like two more peak hp because 200
> hundred rpm away from the power peak was a soild 2 hp increse. In the
> midrange there was a 3-4 hp gain.
>
> Overall the pulley did help power, especialy the area under the power
curve
> and made the engine more free reving. Since it is fairly low priced, I
> would say its a worhty mod.
>
> Still the biggest bang for the buck so far is a cat back exhaust, followed
> by the CAI with the UD pulley third. A Hotshot header and a JWT ECU and
NOS
> system will be tested next. I also plan on helping with the JWT cam
> development and the Hotshot turbo kit. A big bore throttle body and
> headwork will also probably be evaluated in the coming months.
>
> Mike
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