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different setup between 50 and 75 shot
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Soya






PostPosted: Wed Apr 20, 2005 6:22 pm    Post subject: different setup between 50 and 75 shot Reply with quote

Within the next year I hope to finish my rebuild and tuning, and run a 75 shot of nitrous. My question is, what more do I need for a 75 shot? I will have a SAFCII, so I'll have a slightly richer map for the nitrous, colder plugs, premium gas. Anything else I'm forgetting?
Is a WBO2 setup an absolute necessity for this setup?
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hookem2oo7






PostPosted: Wed Apr 20, 2005 6:27 pm    Post subject: Reply with quote

i wouldnt say its absolutely necessary, but do you like your motor? Laughing
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Soya






PostPosted: Wed Apr 20, 2005 6:34 pm    Post subject: Reply with quote

Psh Razz
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Jax Fl Jon






PostPosted: Wed Apr 20, 2005 6:40 pm    Post subject: Reply with quote

Sounds like you got everything you need.
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Nefarious






PostPosted: Wed Apr 20, 2005 6:55 pm    Post subject: Reply with quote

Quote:
Is a WBO2 setup an absolute necessity for this setup?


YES

how are you going to deliver the gas?

direct port?
single fogger?

how is it going to be activated? window switch? WOT switch?

do you use a fuel pressure guage? and a bottle pressure guage?

how about a fuel pressure safty switch?
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TheSaturnKid






PostPosted: Wed Apr 20, 2005 7:50 pm    Post subject: Reply with quote

I actually did this:

Ran the 50 shot FUEL jet and the next smallest size jet from the 50. It was like .035 or something, and I got the .033.

It ran rich, which I had planned on.

So I leaned it out with the afc. It just so happens, that my n/a tune for 13.5:1 works perfectly with leaning out the gas too. I run about 11.6-8:1 on the same afc settings, on the bottle Smile
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Soya






PostPosted: Wed Apr 20, 2005 11:29 pm    Post subject: Reply with quote

nefarious wrote:
Quote:
Is a WBO2 setup an absolute necessity for this setup?


YES

how are you going to deliver the gas?

direct port?
single fogger?

how is it going to be activated? window switch? WOT switch?

do you use a fuel pressure guage? and a bottle pressure guage?

how about a fuel pressure safty switch?


single fogger, window from 3500 to 6300 ish, will prolly get fuel and bottle pressure gauges, and I think the fuel safety switch comes with the NX GM kit?
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NYCE






PostPosted: Thu Apr 21, 2005 12:18 pm    Post subject: Reply with quote

TheSaturnKid wrote:

So I leaned it out with the afc. It just so happens, that my n/a tune for 13.5:1 works perfectly with leaning out the gas too. I run about 11.6-8:1 on the same afc settings, on the bottle Smile


Lucky Bish mine varies from mid 12's to mid 14's hopefully the readings will change once I get readings from all 4...
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DropdSatSC2






PostPosted: Thu Apr 21, 2005 2:13 pm    Post subject: Reply with quote

The fuel safety switch DOES NOT come with the NX GM Kit. you have to get the GEN X2 kit to get the switch.

If you are running a wet kit you really dont need that much more to run a 75 shot. If it is dry you need to get a little extra fuel to the motor.
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Soya






PostPosted: Thu Apr 21, 2005 3:20 pm    Post subject: Reply with quote

I'll be running a wet shot.
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Soya






PostPosted: Mon May 02, 2005 5:31 pm    Post subject: Reply with quote

Just a few more questions about running the 75 shot;

I was planning on using the hyperecutec pistons that sda has, but is it really necessary for this application? I was also considering total seal rings, but I remember they've had a bit of a bad rap or something?

Also, would stock injectors be fine? I'm pretty sure the stock fuel pump can handle it. I'm trying to keep the rebuild cost as low as possible.
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TheSaturnKid






PostPosted: Mon May 02, 2005 6:47 pm    Post subject: Reply with quote

Soya wrote:
Just a few more questions about running the 75 shot;

I was planning on using the hyperecutec pistons that sda has, but is it really necessary for this application? I was also considering total seal rings, but I remember they've had a bit of a bad rap or something?

Also, would stock injectors be fine? I'm pretty sure the stock fuel pump can handle it. I'm trying to keep the rebuild cost as low as possible.


Your fuel pump should be ok for that.

Stock pistons can handle the 75 shot on the stock pcm tune. If you spray WAY to low in the powerband, the rods cant. Stock pistons cant handle detonation. Just be careful if you run an afc and the gas as leaning with the afc/II will advance timing because the pcm will think its in a slight vacuum.

If you run a wet kit, you injectors will be fine.
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Soya






PostPosted: Mon May 02, 2005 9:32 pm    Post subject: Reply with quote

I was thinking of setting the start rpm at 3500 or so, I remember reading that anything below 3000 is bad?
I will be running a sohc auto pcm soon, will this affect anything in terms of timing advancement problems?

I also will be running an afcII, so I'll have 1 map for n/a and one for nitrous which is a bit richer.
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Simo SL1






PostPosted: Mon May 02, 2005 9:56 pm    Post subject: Reply with quote

i wish i had the funds to support a 75 shot on my car!
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TheSaturnKid






PostPosted: Mon May 02, 2005 10:30 pm    Post subject: Reply with quote

Um, be careful about the sohc pcm and spraying dude.

Get a wideband. No one has done what you are going to try before.
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