#56847 - 10/16/08 03:39 PM
Re: tunning
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Registered: 01/09/08
Posts: 415
Loc: CT
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so yeah, is it worth getting a pre tuned pcm or are you better off with a custom tune???
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1998 GP GTP K&N ram air intake, v1.0 pcm, 3" DP, stainless steel Borla cat back, 8.8 wires, 104 spark plugs, 180* T-stat, MPS 3.5, F-body brake kit, KYB AGXs on SSCs, anti pogos, front sway bar and strut tower bar, rear sway bar, solid trans/bottom engine mount, short dog bones w/ poly mounts, alt rewire, rebuilt tranny, pioneer stereo 
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#56848 - 10/16/08 03:45 PM
Re: tunning
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Registered: 09/26/06
Posts: 691
Loc: Philadelphia, PA
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custom tune to your specific car is always better than a generic tune
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03 GTP: 06 seats-roof rails-fbody brakes-limited edition gauges-slp spoiler-gmpp exhaust-06 vette tips-
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#56849 - 10/17/08 06:03 PM
Re: tunning
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Registered: 02/08/04
Posts: 3463
Loc: Gonzales Tx.
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Originally posted by theone2043:
i already have the vm installed since the start of this year. why is it better to get it from the lim instead of the tb? but im starting to wounder if they use a 96 or older gtp file that ran off the 60 trans According to ZZP you need to run the vacuum line from the LIM to the VM so the trans. sees boost and your trans does'nt slip .Chico(pops)
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#56850 - 10/18/08 07:05 AM
Re: tunning
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Registered: 02/09/07
Posts: 1937
Loc: Pocono, PA
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how would u run it to the lim? off the tb i have the tranny and evap. off the lim i have the map, fpr and bypass solenoid. off the tree on top its the bbv brake boost and the havc line. is it possible to live the bypass solenoid vac disconnected?
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#56851 - 10/18/08 10:05 AM
Re: tunning
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Registered: 02/08/04
Posts: 3463
Loc: Gonzales Tx.
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Do you mean the BBV? You run vacuum to the BBV,remove the solenoid and do not cap the vacuum outlet that went to the solenoid leave this open.
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#56852 - 10/18/08 10:10 AM
Re: tunning
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Member
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Registered: 02/09/07
Posts: 1937
Loc: Pocono, PA
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boost bypass valve solenoid
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#56853 - 10/18/08 10:15 AM
Re: tunning
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Registered: 01/01/08
Posts: 3900
Loc: Ontario, Canada
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no, don't leave it disconnected. if it's disconnected it will either stay open and never build boost or it will stay shut and you'll never be able to release pressure when not on the gas.
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#56854 - 10/18/08 11:02 AM
Re: tunning
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Member
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Registered: 02/08/04
Posts: 3463
Loc: Gonzales Tx.
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The electric solenoid is not needed for the BBV to function,again you run vacuum to the BBV ,remove the solenoid and leave the vacuum port open on the BBV if you cap this you will not see more than 3lbs of boost.
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#56855 - 10/18/08 11:23 AM
Re: tunning
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Member
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Registered: 02/09/07
Posts: 1937
Loc: Pocono, PA
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so i can disconnect the vac line going from the fpr to the bypass solenoid and then run the tranny to the fpr which then goes into the lim. so as long as i dont cap the solenoid it will still preform its job just fine and i will be able to see more then a few lbs of boost?
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#56856 - 10/18/08 11:41 AM
Re: tunning
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Member
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Registered: 01/01/08
Posts: 3900
Loc: Ontario, Canada
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why not just use a tee? then you're not leaving anything disconnected.
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#56857 - 10/18/08 03:33 PM
Re: tunning
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Member
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Registered: 02/08/04
Posts: 3463
Loc: Gonzales Tx.
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Originally posted by r.s.hutchinson:
why not just use a tee? then you're not leaving anything disconnected. We are talking about what works best with a top swap or SS M-90 setup!!! I find that the BBV (since your using a GT PCM ) and you have'nt got the solenoid hooked up is to remove it and leave the bootom vacuum port open the top vac goes to the top of the SC .
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#56858 - 10/18/08 03:44 PM
Re: tunning
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Member
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Registered: 02/09/07
Posts: 1937
Loc: Pocono, PA
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i have the solenoid wired in
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#56859 - 10/18/08 04:40 PM
Re: tunning
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Member
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Registered: 02/08/04
Posts: 3463
Loc: Gonzales Tx.
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Originally posted by theone2043:
i have the solenoid wired in OK then it was'nt really necessary but whatever,for the other line that's right LIMto FPR then a T to the VM (trans)
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