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Old 07-31-2002, 07:47 PM   #1
booger
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Member#: 6446
Join Date: May 2001
Location: south brunswick nj
Vehicle:
99 Impreza 2.5 RS
Black

Default Zex Nitrous kit?

if i buy one will it fit on my 99 RS>? im tinking of running 75 shot

=)
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Old 07-31-2002, 08:46 PM   #2
jasona
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Join Date: Oct 2001
Chapter/Region: AKIC
Location: Alaska
Vehicle:
2014 OB 2.5i 6MT
Silver

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yes
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Old 08-01-2002, 01:29 AM   #3
tmaler13
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Join Date: Jul 2000
Location: Port Jefferson, LI
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I belive its kit # 80211
Universal import kit...and boy is it fun.
-Terry
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Old 08-01-2002, 02:38 PM   #4
booger
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Join Date: May 2001
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99 Impreza 2.5 RS
Black

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thanks guys!
cant wait till i get this baby on my car
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Old 08-01-2002, 04:15 PM   #5
kturner
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Join Date: Jul 2001
Location: Corvallis, OR
Default Start Slow

I would not recommend starting with the 75 shot. The only problem with nitrous is that it is easy to over do it. I was running a 55 shot which ran fine (great even) but spun my stock clutch. I detuned my Zex system using a .028 NOS jet and the clutch holds better. Do you have any fuel ratio or egt gauge(s)? I use Autometer A/F and fuel pressure. I like to see green on the A/F and a healthy jump in pressure (to 60 psi) when on nitrous. Without gauges, I'd start at the 55 shot, listen carefully for det, check the spark plugs for a while, then maybe move up. The 55 is a pretty nice power surge. Oh yeah, use premium gas too.
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Old 08-01-2002, 09:24 PM   #6
tmaler13
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Join Date: Jul 2000
Location: Port Jefferson, LI
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Once again I punched my 55 shot tonight. I must say...I LOVE that Purple bottle.

Tommorrow I'll try the 65 shot...I do have an egt an AF meter which i monitor very closely...Plugs look good.

-Terry
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Old 08-02-2002, 11:59 AM   #7
Kevin Thomas
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1989 1989 XT6

Default *sniffle*

Quote:
Originally posted by tmaler13
Once again I punched my 55 shot tonight. I must say...I LOVE that Purple bottle.

Tommorrow I'll try the 65 shot...I do have an egt an AF meter which i monitor very closely...Plugs look good.

-Terry
Yeah, do your jetting in small increments. I found out last night at Atco Raceway that my car (XT6) DO NOT like 75hp shots of nitrous. It goes TOTALLY lean. Fuel pressure only goes up to 53psi or so when I need it to be up to at least 70 psi. Upgraded fuel pump, 104 Sunoco GT unleaded, and 1 degree colder NGK spark plugs gapped .004 lower than stock were used for safety. Due to me letting off the gas after noticing the lean conditions on my Jumptronix air/fuel ratio meter, the EGT's never had a chance to go over 1400F.

A 55 shot done two weeks ago ran 'ok'. Be careful and good luck!
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Old 08-02-2002, 06:35 PM   #8
booger
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Join Date: May 2001
Location: south brunswick nj
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99 Impreza 2.5 RS
Black

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ok, so if i take it easy at first, and use some colder plugs, what else should i do before i run a higher shot?
anyone here rune a high shot like 75? what did you do to make it run reliable?

thanks...
PS just got PAID today so im going to probably order the kit soon

=)
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Old 08-02-2002, 06:36 PM   #9
booger
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Join Date: May 2001
Location: south brunswick nj
Vehicle:
99 Impreza 2.5 RS
Black

Default

PPS
my mom heard me saying to my friend that i was going to order some nitrous and yelled at me saying if i want to kill some brain cells i should stick to beer..

that was funny
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Old 08-02-2002, 07:29 PM   #10
Ripper
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Quote:
Originally posted by booger
PPS
my mom heard me saying to my friend that i was going to order some nitrous and yelled at me saying if i want to kill some brain cells i should stick to beer..

that was funny
lol sounds like your momz is a pretty cool lady
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