Quote:
Originally Posted by shovel
How many 12+ year old cars are even on the road, really? In the US, a car is expected to be in service an average of 8 years supposedly.
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A lot.
Traditionally the average vehicle age of a vehicle on US road ways has always been between about 8 years but since 2008 the average car age rocketed to over 11 years old. Hmmm, what changed in 2008?
As of Jan 2012:
Average age of U.S. vehicles is now 10.8 years
"The cars and trucks in America's driveways have reached a record old age"
"the average age of a car in the U.S. last year was 11.1 years"
"the average truck was 10.4 years"
Quote:
Originally Posted by shovel
I hate getting behind a pre-emissions, carbureted car as much as anyone - it stinks!
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The main problem is no one tunes carburetors any more.
My camaro did the same thing until I installed a wide band O2 meter and bought a rod and jet tuning kit.
Here a snippet from my camaro page:
"AEM air/fuel ratio meter and expanded edelbroock metering rod and jet kit.
Lean idle 17:1 or leaner
Lean cruse around 15:1
Lean hard acceleration 14:1 (unintended need to re jet to get between 12.5 to 1 and 13.2:1)"
Before I started tuning the carb it ran horribly rich, the A/F meter stayed maxed out (10:1) or would occasionally show 11:1 through its entire operating range.
Now the idle keeps the A/F meter around 17:1, to help clean off plugs. The lean cruse is leaner than most older fuel injected cars and WOT is not nearly rich enough.