[Gmecm] re: John's MPFI conversion

[Jason M.]

There was a dual overhead cam 3.4 that came out for the early 90's 
mini-vans.  From what I remember reading it was initially used for a year or 
two, maybe '92 or '93.  It has also been used more recently for the monte 
carlo.  I didn't know that until I had to check an alternator and battery on 
one when I was working for Advance Auto.  The heads on that thing are huge 
in comparison to the pushrod 3.4 and the intake manifold is also oddly 
shapped.  The owner said you have to take the upper plenum off the intake 
just to change the rear spark plugs.  I didn't care to look but you can 
probably get to them from under the car.

----- Original Message ----- 
From: "Denny" <dennysweet at charter.net>
To: <gmecm at diy-efi.org>
Sent: Thursday, November 23, 2006 8:55 AM
Subject: Re: [Gmecm] re: John's MPFI conversion


>I beleive that they went to overhead cam rather than roller cam but not 
>sure. If you just look at a NorthernAuto engine kits ubder 3.4 you will see 
>if they do because the price junps a bunch for a roller cam replacement.
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