In a message dated 7/28/2001 11:24:56 AM Eastern Daylight Time,
jon@bent.twistedbits.net writes:
> I couldn't have done it without your advice and troubleshooting.
>
>
>
> It was the black plastic unit that looks like a disc that I assume controls
>
> the opening and closing of the EGR valve. It has a vacuum line from the
>
> manifold and to the EGR valve, the line to the EGR valve had a blockoff on
>
> it
>
> (since I got rid of the EGR valve). Anyway I looked at the underside of the
>
> unit and it had been melted by something. So I took a gamble and filled the
>
> melted area (wich I assumed might be causing loss of vacuum) with RTV red. &
> nbsp;
>
> I
>
> noticed the difference pretty quickly and it keeps pulling stronger as the
>
> computer readjusts.
>
> The engine is now a total screamer now. Pulls strong to about
> 5800-5900
>
> RPM. I can tell it is starving for air though. I think I'm gonna make the
>
> M1
>
> manifold my next project (along with heads).
>
> I'm also gonna try swapping back in the 24# injectors to see if
> they
>
> work
>
> better now.
>
> Has anyone come up with a good way of installing the MP
> 4bbl TB? Or is
>
> there a way of flowing more air though modifying the 2bbl TB (currently
>
> running a 52mm).
>
>
>
> What kind of heads do you guys recommend I go with? Any
> suggestions on
>
> who to have do the work? I notice some places have 3 angle valve jobs and
>
> some have 5 angle, what is the difference?
>
>
>
>
>
> John S</BLOCKQUOTE>
>
>
>
>
>
> Check your catalytic converter! I had the same problem with the EGR system
>
> and after having to fight with it for several weeks I decided that there
> must
>
> be a problem with the cat causing additional backpressure and overloading
> the
>
> valve. I took the cat off to do the replacement and sure enough, it was
>
> clogged just about solid.
>
> I don't know what exhaust system you
> have, but I have the gibson 3"
>
> catback and I seized the opportunity to upgrade to a 3" cat.
>
>
>
> Good luck with your new screamer!
>
>
>
> -Austin
>
> Vipertruck
>
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