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  1. Site Related

    1. W-body.com Announcements and News

      Updates and information regarding the W-body.com website.

      530
      posts

    2. New Member Introductions

      Welcome to our community! Introduce yourself to everyone here.

      9k
      posts

  2. General W-Body Discussion

    1. FAQs and Technical Information

      'How-To' articles and basic information for those who are new to the W-Body platform.

      1.6k
      posts

    2. General

      General W-Body Discussion

      191.8k
      posts

    3. Powertrain

      Engine and Transmission Maintenance, Repair, and Performance

      129.2k
      posts

    4. PCM Tuning

      Looking for tuning advice or need help reading a scan? Need help getting your tuning software up and running? This is the place for you.

      140
      posts

    5. Brakes/Suspension/Steering/Wheels/Tires

      This is the place to talk about brakes, suspension, lowering, wheels, tires, basically everything that affects your car's ride and handling.

      50.4k
      posts

    6. Car Audio

      Need help putting a system into your W-body? Talk about it here!

      18.8k
      posts

    7. Appearance/Car Care

      Body work, paint care, interior/exterior cleaning, detailing tips and tricks.

      28.7k
      posts

  3. Specialty Forums

    1. Turbo Grand Prix

      This forum is for enthusiasts of the rare 1989-90 Pontiac Grand Prix Turbo.

      27.1k
      posts

    2. Cutlass Supreme Convertible

      A forum for information and discussion about the Oldsmobile Cutlass Supreme Convertible

      10.9k
      posts

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  • Posts

    • rcLord510
      Down on power L67?

      By rcLord510 · Posted

      My 03 GTP is having a weird issue, had it for about a year now and one day while going 70 I accelerated up to about 75 and it was down on power, burning coolant. So I changed the LIM gakeets(completely forgot to when I got it) and it fixed the coolant consumption but now it struggles under boost and any more throttle than 1/4, I have to feather into it and even then it struggles. On the accel if I do too quickly it makes a nasty sound that sounds blower related, but im not sure, tried plugs, maf sensor cleaned, iat cleaned, and it’s still having the issue, which comes and goes. During scanning, I noticed when it does this, it pulls timing, almost like traction control is sensing slip and removing timing, but I know I’m not slipping, and traction control hasn’t worked on my car since I got it anyways, im out of ideas guys, do any of you have any?
    • jiggity76
      Body stiffness of w body

      By jiggity76 · Posted

      I own a 91 Cutlass International Series coupe and a 96 Cutlass Supreme sedan.  I guess I haven't noticed anything hinky going on with them when driving.  The sedan does great in the snow though, great traction, but that's another topic. Just for fun...a bit scary though.  But, it's also a 50 MPH crash so most cars from this era perform about the same.  I need to watch my rearview mirror more often, LOL.     This poor vert took a pretty good hit too.  Looks like it performed pretty well for not having a metal roof.         Concerning the B pillar area.  This very rare 90 International coupe met it's end unfortunately.  It still breaks my heart seeing it.  Accidents are so odd.  Can't believe that quarter glass is still intact.    
    • Vegeta
      Body stiffness of w body

      By Vegeta · Posted

      Ah ok so its still frequency but I didn't know a weakness in the chassis would lower the resonance.  Tune a stereo to the frequency of your vehicle for fun.  Tune it to whatever frequencies counteract the stress the chassis is under.   Anyway, where do you see any of these tests or results?  I didn't have much luck with the googles.
    • mycarsucks
      Body stiffness of w body

      By mycarsucks · Posted

      the 1st gen front ends are extremely strong. I just wish that they continued that same rigidity for the rest of the car. Primarily around the B pillar area and the rear end.
    • Amanita
      Body stiffness of w body

      By Amanita · Posted

      1st gens definitely love more rigidity, my Grand Prix noticeably benefited from the front and rear strut tower bars.
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