On Nov. 8, Bill wrote:
>I would like to hear the explanation about how running a small amount of
>exhaust back through the system can do anything but make the engine less
>efficient. I mean, why wouldnt they just have tiny exaust valves then?
You are right. EGR was not about making the engine
run efficiently from a performance viewpoint.
Running a small amount of exhaust back through the system
was one of the first means that was incorporated by the auto.
makers to reduce emissions.
You should have read the complaints (hard starting, poor idling,
lower gas mileage, stumbling, etc.) from new car owners
when it was first introduced.
PS Let's not re-hash the performance/environmental debate.
Let's just recognize it as two opposing goals and
one was deemed more important than the other.
Bob
Burlington, Ontario, Canada
Current: 97 CC Sport,5.2L,3.55SG auto.,4x2,Gibson dual,KN
96 Grand Caravan ES,3.3L
85 Shelby Intercooled Turbo Charger,2.2L,4-spd man.
78 customized B100 with '69 340-4bbl,3-spd auto.
70 Challenger,383-4bbl,slap-stik auto.,3.23SG
Past: 71 Road Runner,340-4bbl,3-spd slap-stik auto.,3.23SG
70 Duster 340-4bbl,3-spd auto.,3.23 SG
This archive was generated by hypermail 2b29 : Fri Jun 20 2003 - 12:10:59 EDT