PCM Diagnostics & Tuning HP Tuners | Holley | Diablo

tuning for long tube headers?

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Old Nov 3, 2005 | 04:39 PM
  #1  
2000SSNB's Avatar
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From: Sleepy Hollow, NY
Default tuning for long tube headers?

I recall an analysis that when LTs are installed the
engine will run richer. The reason is that the O2s
will run somewhat cooler (further downstream) thinking the mixture is leaner and thus increasing richness.

What is the best way to compensate for this?
Wrapping O2s in a thermal sleeve? Or forcing
a new A/f?

Thanks for suggestions.

Gert
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Old Nov 3, 2005 | 04:49 PM
  #2  
Dixit's Avatar
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From: Canton GA
Default

Personally id be tuning the VE table and calibrate the MAF for starters then work on PE tuning.
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