Miata Turbo Forum - Boost cars, acquire cats. - Is anyone here using an underdrive pulley?

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- Engine Performance (https://www.miataturbo.net/engine-performance-56/)

- - Is anyone here using an underdrive pulley? (https://www.miataturbo.net/engine-performance-56/anyone-here-using-underdrive-pulley-41691/)

Max_Power

12-02-2009 05:13 PM

Is anyone here using an underdrive pulley?

I read quite a few horror stories on m.net from people using underdrive pulley on turbocharged cars.
Has anyone here have a first hand experience (good or bad)?
I wanted to get one but from what I read until now it's seems like a bad idea...

Max_Power

12-02-2009 05:21 PM

Well I guess there is not need for this thread anymore...
https://www.miataturbo.net/forum/t20396/

zoomin

12-02-2009 05:21 PM

Most of the posters on here are also on miata.net, pretty sure it has been covered on here as well, did you try a search?

Max_Power

12-02-2009 05:36 PM

I did and they were a few people supporting that maybe there other contributing factors like the cavitation and aeration that might be responsible for the destruction of the oil pumps... but I better be safe than sorry :)

hustler

12-02-2009 05:38 PM

I have one on my daily that I'll trade you for a 1.8l pulley.

Turbo_4

12-02-2009 05:58 PM

rice

dustinb

12-03-2009 02:17 PM

A turbo will give you way better gains. Do that.

Braineack

12-03-2009 02:19 PM

Quote:

Originally Posted by dustinb (Post 490358)

A turbo will give you way better gains. Do that.

...he has a turbo. :crx:

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