[Gmecm] re: John's MPFI conversion

[Jay Vessels]

Hi there!

The 3.4V6 DOHC ("Twin Dual Cam") engine was only used in the W-body cars 
(Lumina, Grand Prix, Cutlass) from '91-'97.  It was not used in any 
minivans in the U.S.

Jay Vessels
1982 Chevrolet S-10 Sport, 2.8V6 TBI
1984 Chevrolet S-10 Blazer Sport, 2.8V6 (TBI pending)

Jason M. wrote:
> 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.