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First dyno #'s '98 Formula, seem a little low (leaning out????)

This is a discussion on First dyno #'s '98 Formula, seem a little low (leaning out????) within the Dyno Information forums, part of the Racing Forums category; Hey all, I just got a dyno run in at F1Dyno here in Portland, ME before they closed up for ...

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    Junior Member viperguynick's Avatar
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    1998 Firebird Formula

    First dyno #'s '98 Formula, seem a little low (leaning out????)

    Hey all, I just got a dyno run in at F1Dyno here in Portland, ME before they closed up for the night just to get a baseline for HP/TQ numbers before I start modding some more. The car is a '98 forumla with 140,875 miles on the clock. Mods are as follows:

    (!CAGS) Suncoast Hood, Pacesetter LT, 228/228 .588 112LSA, SPEC IV, upgraded master and slave, DR timing chain, LS6 ported oil pump, Duals with Moroso Spiral mufflers, BMR SFC,SLP level 1 suspension, ZO6 rims 18x9.5

    The car runs like a top and I have had no issues. I had the shop owner run the car from 1500 - 6500 RPM's and it never skipped a beat, but the numbers seem low to me:
    Max HP - 347.8 @ 5950
    Max TQ - 338.3 @ 3950



    I really don't like the way the A/F is dipping down from 5500 on, It's not really scary lean, but I am sure I am losing a few horses. My basic question is, can I correct this fairly easily with something like EFILive? I had planned on buying a handheld, but for the little extra price (and my car being a '98 so only hypertech...) I would rather go with a full blown tuning / data logging package. Any ideas?

    Nick

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    Junior Member viperguynick's Avatar
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    Nobody????

    No one has any idea as to what may be going on? Also, why did my thread get moved in here? The dyno sheet was strictly to show the A/F leaning out up top????

    Nick

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