He did say tailpipes, I would assume that's not stock.
<< > On my 5.2L, with MPI, Magnum R/T cam, F&B Stage 1 tb, MP computer
> stock fuel pressure and dynoed at a measured 231 rwhp (~290 hp
> at the crank), I tested the 24# injectors. At WOT, there was heavy-duty
> bogging and massive carbon soot coming out of the tail pipes. At part
> throttle,
> the O2 sensor output stayed on rich longer than lean in closed loop
> and, after about 5 minutes, the cat O2 sensor output stayed on rich.
> Just far too rich for my setup.
>
> Bob. Ont, Canada.
> '97 Dakota CC, 5.2L, 4x2, 3.92 SG, auto., 4265 lb.
> PB: 14.737 @ 91.75 9.364 @ 72.95
Bob,
Were there any exhaust mods done to the truck prior to that test or is
it stock?
Bob
>>
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