Unplug Heater/Ac electronics for more HP ?

91-GTZ · Post by **91-GTZ** » Tue Dec 13, 2005 11:19 pm

Hello,
I read on another forum that the Beretta heater/ac pully is always running and to unplug the electronic for more HPs.

Is this true and dose this apply to my 91 ?

and if so. How do I do it ?

Thanks
Pretzel~

IsaacHayes · Post by **IsaacHayes** » Wed Dec 14, 2005 12:26 am

They don't know what they are talking about.

The only time the A/C compressor is running is:

A) You have the A/C on. Duh.
B) You have the Defroster on. (helps dry out the air).

BerettaLove32 · Post by **BerettaLove32** » Wed Dec 14, 2005 12:30 am

If you look at the pulley you can see it's got 2 parts to it and one part lets it spin free then when you turn it on it makes the whole pulley spin.

Norm 88GT · Post by **Norm 88GT** » Mon Jan 30, 2006 7:41 pm

Late model cars have their AC temporary shut off under WOT for a few extra hp for passing. I don't think the first half of the Beretta's product cycle had this feature.

The only way my '88 GT would pull on the same era 300ZX was to turn off the AC. So it does make a difference.

Norm

lllusion · Post by **lllusion** » Tue Jan 31, 2006 12:47 am

91 has the cutoff... works when your TPS sensor reads at WOT it sends a signal to your ECM to disengage your compressor clutch

This means race with your A/C to keep cool

twistedindy1 · Post by **twistedindy1** » Tue Jan 31, 2006 11:23 am

but if you paint them yellow like the banana down here then you will gave 5 HP no prob.

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