Dyno Results from Specialty Z

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agent4573
Posts: 68
Joined: Wed Feb 06, 2013 4:10 pm

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Got down there around 9am today and put the sand rail on the dyno. They hooked everything up and it turns out it was only running on 4 cylinders. Swapped 2 injectors that weren't firing and it was running on 5 cylinders. Messed around with PTU wiring and got the 6th cylinder firing. The thing sounded better than its ever sounded before (go figure). The guys at Specialty Z were great with dealing with all my issues. They told me what was wrong and let me work on it myself to try to save some cash. Big thanks to Greg, Sebastian, and all the other guys down there. Ended up with 203hp, 194 ft-lbs of torque at the wheels. I'm happy with that for now. I have to cut out the PTU subharness and solder the wires together as that seems to be an issue with keeping all 6 firing. Shouldn't take me more than an hour or so tomorrow. First run on all 6 was around 170hp, so I gained 30hp in the tune, plus whatever the power difference is between 4 and 6 cylinders. I'm assuming around 100 horsepower gained today.

This Youtube tag sucks.... just click the link.

http://www.youtube.com/watch?v=H10h-xCBpuI

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z32loverboy
Posts: 516
Joined: Tue Mar 22, 2011 6:05 pm
Car: 1990 300zx CRP N/A 5 Speed (wreaked, now a shell) SOLD

1993 Slicktop CRP N/A 5 Speed w/ '90 built N/A motor and interior

1958 Ford f-100 straight-body (Grandaddies truck, resto-project)
Location: Nashville, TN

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Word. Pretty good stuff for a N/A!

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ranmas2004
Posts: 4
Joined: Sun Dec 15, 2013 5:54 am
Car: 90 300zx 2+0 5spd

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Really nice power. What mods?

agent4573
Posts: 68
Joined: Wed Feb 06, 2013 4:10 pm

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All the emissions crap is gone, all the solenoids are gone, made up a set of shorty 1.75" headers for it, 3 inch intake piping on a selin dual maf setup. That's about it.

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300ZXttZMAN
Posts: 6800
Joined: Mon Nov 22, 2010 4:07 pm
Car: 1990 Nissan 300ZX TT 5spd pearl white

DD: 2008 Nissan Frontier NISMO pkg 4x4 Crew Cab
Location: Sulphur, LA 70665
Contact:

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Very nice! I had saw the pics from their FB post, really cool to see the video. I love the work you put in on that thing. Great stuff.


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