TPI Runner Question

[Wayne Johnson]

Tim,
The 89's are MAF and they don't have the drivers side tube. Disable the cold 
start injector and use 89 code. Forget about the holes in the lower intake 
and IAC air, the 89 code will take care of it. It will work. :)

Wayne


>From: timsiford at hushmail.com
>Reply-To: gmecm at diy-efi.org
>To: gmecm at diy-efi.org
>Subject: Re: TPI Runner Question
>Date: Wed, 6 Dec 2000 13:42:16 -0500 (EST)
>
> >Wouldn't deletion of your coldstart valve avoid all that drilling?
>
>Nope.  Cold Start air if fed into the underneath of the plenum via a 
>special
>pasageway.  This pasageway feeds the driver's side 'special' runner tube.
>  If the 'special' runner tube is not present then the IAC air NEVER gets
>to the lower manifold.  He needs a way to vent the IAC air into the air
>stream.  In fact, I ran into a very similar problem a few weeks ago when
>I helped someone install new runners on their '87 Corvette.  He purchased
>Hi-Flo runners that a guy had used on a '91 vette.  Well, the guy with the
>'91 vette had blocked off this tube extra tube on the driver's side (and
>rightfully so).  The guy with the '87 vette installed these runners WITHOUT
>unblocking the IAC tube.  Can you say hard starts and really rought idle??
>  We unblocked this tube and now all is AOK.
>
>Tim

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