Length from the heads plays an important role as well. Look at the temperature
correlations in the data from the link I posted about the Intellitronix A/F
gauges. The reading is somewhat dependant on temp and the further away from the
heads the cooler it gets. I agree that in the H-pipe is probably the best place
to read BOTH cyl banks oxy content providing that there is enough of it passing
by and at an adequate (??) temp. Perhaps this is part of the theory behind the
"X" pipe configuration.
Good Luck and keep us posted on your results.
Latr,
Shane
Mark Kuzia wrote:
> I think I'll try moving the sensor to the H-pipe. As I said before, the 2
> 1/2 was recommended by flowmaster for engine 300 to 450 hp (mine is about
> 360-375hp). It has a few bends in it so it probably flows more like a 2 1/4.
>
> Mark Kuzia
> flyboy01@mediaone.net
> http://people.mw.mediaone.net/flyboy01/home.html
> 1995 Dakota 13.79 @ 102.45 mph
> ~360ci, 5-spd, 4.11 LS (8 3/4 [3.90 SG] coming soon)
> 1994 Dakota 15.36 @ 91.56 mph
> ~318ci, 5-spd, 3.90 LS (bone stock, no mods)
>
> ----- Original Message -----
> From: "Bob Tom" <tigers@bserv.com>
> To: <dakota-truck@buffnet.net>
> Sent: Wednesday, July 11, 2001 11:18 PM
>
> > FWIW, I have a '70 Challenger (383 4-bbl, 330 hp, 425 ft-lb torque)
> > with true duals and they are just under 2" in diameter. I have also
> > read in a few places that it's recommended that the O2 sensor be
> > placed in the H-pipe. In all probability, 2 1/2" pipes are probably
> > too big for the 360.
> >
> > Bob
> >
> >
> >
-- '96 IndyRam-HisIndy-MPI TB Pulleys RTcam MPComp HVoilpump DynaGearDoubleRoller WindageTray CompTAs '96 IndyRam-HerIndy-numbered(#142)"Track Truck" '74 Triple-Black Dodge Challenger Rallye 360 EFI R&D vehicle '93 Dakota CC 318 - soon to be mine 8)
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