S2000 Under The Hood S2000 Technical and Mechanical discussions.

supercharged dyno

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Old Aug 7, 2003 | 04:32 PM
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Venomous S's Avatar
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From: Barkhamsted
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Finally got my car dynoed at DRT with their dynojet system.

I wanted to hook up the 02 sensor at the header but unfortunately their 02 sensor for some reason would not screw into my header so we had to go in the back post cat.

First run I got 285, then with some tuning on the wide throttle it brought it up to 300rw. i wanted some midrange improvement so they dropped the vtec point to 4700 and saw an immediate increase of about 15 to 18 horses in the midrange.

Unfortunately i couldnt get a torque chart because it was spiky. They said the reason it was spikey it was because for one we had a CEL come up at nearly 8700 RPM''s and the CEL was a misfire in all cylinders everytime. I told him I changed to the NGK plugs at .035 gap. has anybody dynoed with the 7371 NGK V-racing plugs and got the CEL?. they said i might have to even go lower with the gap setting like .018 to .025 and try it out.
maybe i can post the dyno figures once i figure out how to add it
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Old Aug 7, 2003 | 07:26 PM
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From: Bedford
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did you get a CEL while driving the car up to 8700 on a daily basis?

Btw, I got a CEL when I was at the dyno and they pulled out the O2 sensor and put the O2 sensor in for the dynojet. For some reason the car knows when you take that damn thing out.

Pull the back up fuse out next time you do it and then re-run again. When I did this at the last dyno I netted 13 hp instantly.

I am SC also but haven't hit the dyno yet.

I am running Denso IK27's gapped at .036. I haven't experienced any detonation at all.
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Old Aug 7, 2003 | 08:09 PM
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From: Barkhamsted
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[QUOTE]Originally posted by CMiS2K
[B]did you get a CEL while driving the car up to 8700 on a daily basis?

Btw, I got a CEL when I was at the dyno and they pulled out the O2 sensor and put the O2 sensor in for the dynojet. For some reason the car knows when you take that damn thing out.
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