Thread: Next Mod and KR reduction Ideas

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  1. #81 Re: Next Mod and KR reduction Ideas 
    GXP Level Member GTPpower's Avatar
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    I don't get the concern over the tune...commanded afr and ltft mean absolutely nothing at wot without a wideband.


    2001 GTP Drag Car - XPZ, Tischler heads, Upsidedown M90 IC'd, e85, Gen V, 2.3 w/ 5%OD
    2005 F350 6.0 - studded, deleted, tuned
    2001 GTP - cam, headers, nitrous, stock trans - 11.83 @ 116 <$2k in mods - sold
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  2. #82 Re: Next Mod and KR reduction Ideas 
    GXP Level Member GTPpower's Avatar
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    The biggest thing I see, is that it looks to be commanding 18-20° of timing. I doubt you'd get and kr with stock timing.


    2001 GTP Drag Car - XPZ, Tischler heads, Upsidedown M90 IC'd, e85, Gen V, 2.3 w/ 5%OD
    2005 F350 6.0 - studded, deleted, tuned
    2001 GTP - cam, headers, nitrous, stock trans - 11.83 @ 116 <$2k in mods - sold
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  3. #83 Re: Next Mod and KR reduction Ideas 
    Turbo is the way to go. Fivefingerdeathpunch's Avatar
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    My first post in this thread I say that aswell, a little too much timing and the MAF was being thrown off from the ported TB he had.

    But is it the true cause, we don't know because we don't have the tune and car right in front of us.

    SMGPFC Member #1
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  4. #84 Re: Next Mod and KR reduction Ideas 
    GXP Level Member GTPpower's Avatar
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    His basic mod list is:
    3.6 pulley
    zzp tune
    3" dp
    intake

    From my experience with these, that would make a great setup with stock or slightly advanced timing. But, he is running what looks like 4-5* advance over stock timing, which I've never had good luck with on premium fuel.


    2001 GTP Drag Car - XPZ, Tischler heads, Upsidedown M90 IC'd, e85, Gen V, 2.3 w/ 5%OD
    2005 F350 6.0 - studded, deleted, tuned
    2001 GTP - cam, headers, nitrous, stock trans - 11.83 @ 116 <$2k in mods - sold
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  5. #85 Re: Next Mod and KR reduction Ideas 
    SE Level Member MeanGrn99GTP's Avatar
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    Quote Originally Posted by GTPpower View Post
    I know that. I'm asking if you still have the stock pcm you could swap back in?
    I misunderstood you. No I do not have the stock pcm.

    99 GTP 4dr CAI, ported TB, front and rear plog, 3"OR DP, 2.5" SLP catback, EGR del.
    97 Z28 (Sold) 295rwhp 323rwtq 13.5@ 105mph
    01 HD Dyna (Sold) 99rwhp 109rwtq 12.2@ 107mph with apes and no windshield
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  6. #86 Re: Next Mod and KR reduction Ideas 
    GXP Level Member GTPpower's Avatar
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    I would get the guy that is helping tune your car to put stock timing tables back in. If you need help with that, just post.


    2001 GTP Drag Car - XPZ, Tischler heads, Upsidedown M90 IC'd, e85, Gen V, 2.3 w/ 5%OD
    2005 F350 6.0 - studded, deleted, tuned
    2001 GTP - cam, headers, nitrous, stock trans - 11.83 @ 116 <$2k in mods - sold
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  7. #87 Re: Next Mod and KR reduction Ideas 
    GTX Level Member Sudden's Avatar
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    You can see what I'm running now. I ended up with a 3.4 pulley, I kept getting random KR. I have a tune from Overkill. I think you'll like the 1,9 or so Yella Terra.
    I have a Meth kit I'm installing next. I'm not near anyone to do an in car tune either.
    2005 Grand Prix GTP CompG. Overkill PCM, ZZP S2 I/C, ZZP MPS W/ 3.3" pulley, 1.9 YT rockers, 42.5# injectors, Moroso wires and AL104 plugs, 180 Thermostat, LS4 MAF.
    Front PLOG, Rear PLOG, crossover, all ceramic coated. ZZP 3" Downpipe and 3" exhaust pipes with Borla S-Type mufflers.
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  8. #88 Re: Next Mod and KR reduction Ideas 
    I can't car too good. SaukRapids's Avatar
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    I'd just like to say that this thread's been a big help. I had a 97 and 99 GTP, and the clearly stated differences has me more comfortable with my newer 05. I still have a lot to learn. I'll probably be going over the car's suspension, advised engine maintenance (reduce KR), and appearance before tackling the PCM stuff.

    Really, you guys saved me a boatload of cash over the winter just with this little bit of info. Thanks a bunch.
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