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#4804 - 10/07/08 04:58 PM Is a PCM needed if planning on tuning? Questions...
CB9050 Offline
Member
Registered: 08/30/08
Posts: 148
Loc: Holyoke, MA
I already have a WizAired CAI and 180* stat. I'm going to be adding a ZZP 3" catted dp and 3.4" pulley pretty soon. I was planning on getting an overkill PCM to coincide with my mods, but am also planning on tuning. Should I leave the PCM stock if I'm getting a custom tune? Also, which plugs/wires would suit my application best? What should I gap the plugs at?
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01 GTP
Headers, modified 1.9's, 3.4 mps, Overkill pcm, and a bunch of other little goodies.

Near future: Gen V, N*, XP, and all supporting mods...
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#4805 - 10/07/08 05:04 PM Re: Is a PCM needed if planning on tuning? Questions...
HercMan(Rob) Offline
Member
Registered: 09/12/03
Posts: 14035
Loc: Fort Worth, Texas
If your getting a custom tune there is no need to buy one that is pretuned. You can get a used PCM from Ed if you want to keep a stock tune on hand just incase...

Wires- OEM or ZZPs big honkin wires 10.2mm iirc. Others are just a waste.

Plugs- Autolite 104s Gapped at couldn't tell ya.
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#4806 - 10/07/08 05:17 PM Re: Is a PCM needed if planning on tuning? Questions...
r.s.hutchinson Offline
Member
Registered: 01/01/08
Posts: 3900
Loc: Ontario, Canada
x2 with Herc

0.52 is the best gap for the plugs.
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00 Turbo GTP - 97 GTP - 03 GSXR600
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#4807 - 10/07/08 05:25 PM Re: Is a PCM needed if planning on tuning? Questions...
HercMan(Rob) Offline
Member
Registered: 09/12/03
Posts: 14035
Loc: Fort Worth, Texas
Quote:
Originally posted by r.s.hutchinson:
x2 with Herc

0.52 is the best gap for the plugs.
Wouldn't that be 0.052? Cause .52 is over 1/2 inch.
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#4808 - 10/07/08 05:52 PM Re: Is a PCM needed if planning on tuning? Questions...
r.s.hutchinson Offline
Member
Registered: 01/01/08
Posts: 3900
Loc: Ontario, Canada
woops, that's what I meant, thanks!
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00 Turbo GTP - 97 GTP - 03 GSXR600
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#4809 - 10/08/08 10:57 AM Re: Is a PCM needed if planning on tuning? Questions...
ordonez1307 Offline
Member
Registered: 04/18/05
Posts: 8901
Loc: Bradenton, FL
104's at .055 would be good for a mild bolt-on setup
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#4810 - 10/08/08 05:28 PM Re: Is a PCM needed if planning on tuning? Questions...
gteisele Offline
Member
Registered: 08/27/06
Posts: 1333
Loc: New Jersey
i have a spair pcm i can mail you if ur interested
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(99 GT),K&N 9" intake,ZZP HV TB(68mm), ZZP PCM,ZZP front powerlog, HV3 intake manifold spacer, 3" DP to SLP exhaust,Comp Cam 801 and springs, MSD ignition,Voltage Booster,black housing headlights with HID kit and halos
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