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Feb 25, 2005 | 06:41 PM

#31

6.0vette

Staging Lane

Joined: Feb 2004

Posts: 99

Likes: 0

From: philadelphia

Quote:

Originally Posted by BlownChevySS

I am only seeing 8.5 psi with a 2.85 pulley! WTF?

What other mods do you have? My belt was slipping like crazy
with a 2.9 pulley.I ended up getting a much shorter belt and
replacing the factory idler with 100mm pulley.

Feb 25, 2005 | 10:22 PM

#32

BigTex

? ? ? ? ? ?

iTrader: (16)

Joined: Nov 2001

Posts: 7,126

Likes: 2

From: East of Dallas

Quote:

Originally Posted by BlownChevySS

I am only seeing 8.5 psi with a 2.85 pulley! WTF?

I'm seeing 8.5 psi with a 2.75" pulley. If your motor can handle the air being forced at it, you wont see as much boost pressure, but you are still moving the same amount of air. Lower boost means less heat.