Re: EGR

[David Cooley <n5xmt@bellsouth.net>]

At 03:33 PM 4/5/2000, you wrote:
>I just got a set of the new style Vortec heads for my 4.3 v6. I just found 
>out they don't have an EGR passage.  Is it worthwhile due to emissions or 
>driveability concerns to plumb the EGR externally?  This is a TBI motor 
>that only has a on/off egr valve.  Even if I do plumb the EGR externally 
>will I run into further problems due to the temperature, flow volume and 
>pressure of the EGR differing from the original?  Can a well tuned motor 
>still pass emissions without EGR?  What are the benefits of EGR beyond 
>emission control?


If I remember right, the new Vortec V6 engines used a linear EGR actuator 
and dumped into the center plenum of the intake manifold.


===========================================================
David Cooley N5XMT Internet: N5XMT@bellsouth.net
Packet: N5XMT@KQ4LO.#INT.NC.USA.NA T.A.P.R. Member #7068
We are Borg... Prepare to be assimilated!
===========================================================