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Subject very nice.
     
Posted by Halo Z on August 03, 2002 at 2:34 PM
  This message has been viewed 67 times.
     
In Reply To Dyno-tuned the Z yesterday. Results >>> posted by timz on August 03, 2002 at 02:10 PM
     
Message : Car was on pump gas (94 octane):

: First baseline pull at 1.4kg (20psi) no tuning.
:
: Car ran super rich.

: I raised the boost to 1.5kg (21 psi) car still run rich. My A/F above 5k rpm was below the scale 10:1. EGTs never exceeded 850 C. We started playing with the AFC. We saw significant hp gain everytime we lean out the fuel. After a couple pulls, I was able to get the A/F to stay at 12.5 across the rpm. The AFC is so wonderful :)
:
: EGTs were never exceed 900C. They were at 890C all the time.

: Here's just a comparison of the HKS 2350 vs the stock turbo I dynoed last year.
:

: I am satisfied with the car on pump gas. Poured a couple gallons of 110 octane inside and start tuning for race gas. I raised the boost to 1.85kg (26 psi) and reset the AFC to run richer. Car pulled very smooth until 5k rpm, then it started misfiring a little bit.
:
: Damn! The HKS twin power apperantly is not up to the task. I have my plug gap at 0.040. It was perfectly fine at 21 psi but not 26 psi.

: We pulled another run at 25psi and same thing happened. The engine misfired. It stumbled once it hit 25psi. I decided to call it quit since There's nothing I can do about it. I will have to re-gap the plug to 0.035 and dynoed tune-it next time, and plan to run 27psi. Base on the misfired 26 psi pull, I hope to get more than 550rwhp.

:

Now this is totally unrelated, with the race gas setting, can I take this?
:

: Keep in mind, the engine is bone stock. no nitrous, not even cam :)

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