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Subject Yours did the same thing mine did ( in stock forum )
     
Posted by ZBlacktt on August 03, 2002 at 3:52 PM
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In Reply To Dyno-tuned the Z yesterday. Results >>> posted by timz on August 03, 2002 at 02:10 PM
     
Message Max rwhp ( messured ) of 392.7

Max TQ ( messured ) 451.2

But see that magic 5k rpm mark? It went to crap like yours and the car did the same thing of missing and backfiring. The shop head picked it up as spark is getting killed due to low spark at higher psi and rpm's. Like the fuel and air are putting out the spark.

But one thing I must ask is the TQ differance in yours and mine. You have so much more in power, yet I landed 451TQ at 4300rpm's on 17psi and 105 gas, and you landed a 456TQ at 21psi and fuel tuning. Kinda wondering how that happened,,lol.

I pulled the plugs and gapped them to .032. They where .035 for that dyno. Now they do not cut out on me. I ran 18psi at the track last month. No problems on 114 gas. Need to make another dyno run now too. But your 500rwhp+ pulls are awesome bro :)

STAGE V++++
Going to XIII and beyond :)

     
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