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Subject Dyno fun GTX2863R
     
Posted by Greg D. (Specialty-Z) on June 27, 2013 at 8:44 PM
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Message Just wrapped up a customers car that was sent to us from Florida.
The car has our built Nissan automatic with our new trans brake option. (Customer is a drag racer)
The car had GT2860RS turbos with all Ash pipes and intercoolers, Selin trans with Ash Planar intake and JWT short filters, SZ expansion downpipes with full 3 inch exhaust, MSP manifolds, Nismo 740cc Injectors with 300 degree rails, dual walboro fuel pumps.
It had a built engine with JWT 500 cams when the RS turbos were on it.
The only difference is a fresh IPP engine, SZ putting it together and doing detail work to things we thing make a difference, and the GTX2863R turbos.

This dyno is before GT2860RS and After GTX2863R on 91 pump
For those that do not know, the dyno tailpipe sensors read about half a point leaner than actual, the in car wide bands were consistent with a half point richer than the dyno tailpipe sensor.


This is before GT2860RS and After GTX2863 on Q-16.
The 740cc injectors are maxed out, As well as the turbos, the A/F of about 11.7 in the car is more than safe with Q-16 and still would be safe if it was actually 12.2.
Consider this car is running a built automatic with high pump pressures making all the numbers lower than a stick would show.


     
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