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What is goin on????Help??

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Old Aug 5, 2006 | 09:56 PM
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Default What is goin on????Help??

I changed my plugs out a few weeks ago. Ive sprayed it a few times but nothing big. Had a big track event today, and the nitrous didnt kick in for crap. I was running 41psi fuel and 1100psi bottle pressure. So i decided to change the jets. I added the 175's, and it flooded out the motor, almost choked it out completely. Got back in the pits and all you could smell was gas. So i then made a change (normally a real stupid one) I let the 175 nitrous jet in and add the 150 fuel jet. Well that didnt work to well it felt like it was pulse spraying. Just spaying in burst. That was on a full bottle. I have had problems with nitrous since i changed the plugs. Im running TR6's but before that I was running TR55(pulled like HELL) I know that not smart but, hey. Any body know what could be causing all this crap?
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Old Aug 6, 2006 | 12:20 AM
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do you have a fpss? window switch?

what did u gap the plugs at?
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Old Aug 6, 2006 | 02:03 AM
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yep FPSS, gapped at .30
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Old Aug 7, 2006 | 11:48 AM
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What solenoids were you using at 1100psi a solenoid with a larger orifice may not want to open which would explain why it seemed to be running so rich. Try lowering the botlle pressure to around 950-1000
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Old Aug 7, 2006 | 12:38 PM
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Pull your plugs and make sure that they aren't cracked. I had the same problem with a set of TR6's. I have autolite 103 in there now. I gap my plugs @ .037
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Old Aug 8, 2006 | 10:46 AM
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Could be time to check your Opti-spark .
They don't live for ever and will go out with little to no warning.

Had 1 die on me at the Dealership after we did a tune-up on it.
Same day we had a fuel pump cap out on a Astro van after doing a fuel filter and tune.

Stuff happens,sounds like you ran out of spark.

Just a thought.
Good luck

Dave
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Old Aug 8, 2006 | 11:20 AM
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Originally Posted by redsscamaroboy
Could be time to check your Opti-spark .
They don't live for ever and will go out with little to no warning.

Had 1 die on me at the Dealership after we did a tune-up on it.
Same day we had a fuel pump cap out on a Astro van after doing a fuel filter and tune.

Stuff happens,sounds like you ran out of spark.

Just a thought.
Good luck

Dave

But it runs normal on motor, I made some passes on motor and was very constant.
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Old Aug 8, 2006 | 11:33 AM
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did you check the FPSS ? sounds like that may be your problem.
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Old Aug 8, 2006 | 05:15 PM
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thats what I thought so i checked it and its set at 38psi and my fuel never dropped lower than 41psi. Its got me puzzled as hell.
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Old Aug 8, 2006 | 05:19 PM
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mine did the same thing, never could figure out what was wrong.
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