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  • #16
    alright so im still having no luck i seriously need help now still the same sputter at 5k+ and in 5th gear it comes on at around 4k rpm


    so far ive done;
    -new plugs bkr7e gapped down
    -tried swaping my old coil packs in one at a time x2
    -brand new coil pack loom
    -grounded coil pack loom directly back to battery
    -checked fuel pressure driving around at WOT (follows vacuum and boost accordingly with no pressure drop at time of missfire)
    -no vacuum or boost leaks
    -injectors have 8000km on them and none are leaking
    -afr's seem to be okay.

    what do you guys think im missing? it almost sounds like all cylinders are misfiring, its a different feel from when i had a missfire a couple months ago (which was fixed by new yellowjacket coils)
    Built R32 GTR, BW S362, 682awhp @ 28psi

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    • #17
      re gapped my plugs to 0.023 and its much better although its still breaking up..
      Built R32 GTR, BW S362, 682awhp @ 28psi

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      • #18
        Same here, gapped down to .025" and seems to be better. Sometimes not. Weird as hell though, ran fine all last year with the yellow jackets and a gap of .035" all the way up to 1.5 bar. Might try new plugs even though they checked out (resistance was bang on). Same two holes, 3 and 4, now only a little brown instead of sooty. Coil harness was fine too, crusty but all connections were good.



        Jon.
        Last edited by Dragon Humper; 09-20-2012, 11:30 PM.
        Why don't you come over to MySpace and Twitter my Yahoo untill I Google all over your Facebook.

        1990 GTR Drag Special T88H34D 11.24 @ 127.55mph at only 1.2bar...... officially. SOLD

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        • #19
          yeah mine were fine all summer at like 1.4bar with plugs gaped at .032. then out of no where it started breaking up. hmmm i hope its not faulty yellow jackets. maybe ill keep swaping my old ones in 1 at a time
          Built R32 GTR, BW S362, 682awhp @ 28psi

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