98 gtp, Just put 3.4 pulley on zzp pcm 180t stat 605 plugs supercharger gasket cold air intake, down pipe no cat u delete, sometimes when at wot it kinda sputters or a slight miss this doesn't happen all the time, in stumped..
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02-23-2015
98 gtp, Just put 3.4 pulley on zzp pcm 180t stat 605 plugs supercharger gasket cold air intake, down pipe no cat u delete, sometimes when at wot it kinda sputters or a slight miss this doesn't happen all the time, in stumped..
02-24-2015
Do you have any KR? Does the CEL flash when it stumbles?
02-24-2015
get headers problem solved, or a new engine soon either works
02-24-2015
Did you list supercharger gasket as a mod? What are your plugs gapped to?
02-24-2015
Nothing flashes when stumbles
02-24-2015
Could this be my sc belt slipping at high rpm
02-24-2015
get some 104 copper plugs gaped at 0.50 in there.
how much kr your seeing? not scanning? you had best start. if you got a droid phone look up the torque app.
02-24-2015
Not scanning I can scan with my phone?? Do I just need the obd2 blue tooth for my car??
02-24-2015
605 plugs gapped at 55
02-24-2015
http://www.grandprixforums.net/threa...ive-KR-monitor tells all about it.
it reads the same data as my dhp scans. so its very accurate.
02-24-2015
i had them plugs for like 20 miles. went to 104's felt much better. they are just in a box here, i should sell em. lolOriginally Posted by xxburkettxx07
02-24-2015
Look at your SC snout, by the pulley. If you see a bunch of black stuff around there, good chance your belt is slipping. If you're using the stock size belt with a 3.4, I can just about guarantee it's slipping. Which may actually be helping you, belt slip = less boost = less KR. 605's is what I run in my GT, I wouldn't use them with anything smaller than a stock pulley, but that's just me. You also want as wide of a gap as you can run w/out spark blowout, this will vary so you have to play with it a bit. .055 is a good place to start, if you need to go lower do it, but .045 is like nitrous small.
02-24-2015
If it is slipping would it feel like a miss, should o.I run 104 plugs
02-24-2015
Do the bars on your boost guage fluctuate at all? Or I guess with a 3.4 they might be maxed all the time, you should get that scanner and get some scans in before doing anything else tbh.
02-24-2015
I ordered the blue tooth scan thing n app n no the boost gauge don't move it's maxed
02-24-2015
What about black stuff all around the blower pulley/snout? Anything there? If I use the same belt with my 3.2 that I do with my 3.5, it slips and I can see that crap start to form around there. Did you put a smaller belt when you dropped pullies?
02-24-2015
660 the belt I put on
02-24-2015
100% false, ran stock on 3.4 with 120% zero issues, as do many others
02-24-2015
me too, stock belt 3.4 pulley, no slip at all.
02-24-2015
I can't run 103 plugs? I have 103 already and the 605s And 606s all bought with in 8 months 104s a must? I'll get if so
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