Re: boost/and waste gate on s/c

From: Scott Quaranta (mquarantaca@earthlink.net)
Date: Sun Mar 04 2001 - 19:32:57 EST


on 3/4/01 3:39 PM, Viper450hpGTS@aol.com at Viper450hpGTS@aol.com wrote:

> In a message dated 3/3/01 11:37:08 PM Central Standard Time, bernd@texas.net
> writes:
>
> << Yeah, Tom beat me to it..got off the phone with him and viola...his post is
> quicker than mine. ;)
>
> I installed an aftermarket pulley which was building the boost really
> quickly...ran really good too...but fried the blower within the first 2
> miles of operation.
>
> I'm leaving it at this for now until I can talk with the person who sold me
> the pulley. Need to investigate this more before saying anything else. >>
>
> Bernd,
>
> This is a great reason to try an external wastegate. I'm running a
> 12# pulley, but I limit boost to 10 psi. Hits harder on the bottom and mid
> (7psi is available at 3000 rpms) and this showed on the dyno (425 pft to the
> rear wheels)
>
> James
>

Hey James,

425 pft is good, I started out at 419 pft on my first dyno runs and since I
dialed mine in my the second dyno runs showed 460 pft.

no waste gate

also bernd didnt blow up his pulley had no shims on it from powerdyne so it
was to tight th the case of the s/c and it started rubbing.

Scott Q



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