• The site migration is complete! Hopefully everything transferred properly from the multiple decades old software we were using before. If you notice any issues please let me know, thanks! Also, I'm still working on things like chatbox, etc so hopefully those will be working in the next week or two.

Recent content by porshuh

  1. porshuh

    Open/Closed Loop Operation

    Quick and easy (I think question): When do L67s switch been closed-loop (reading the O2 sensor) and open-loop (maps only) operation? Obviously, they use open-loop when at WOT and on a cold start of the engine...but I'm curious more about where exactly it switches over (load based? tps based...
  2. porshuh

    High / Fast Idle - Idle Air Control motor?

    When cold and warm, my car idles normally - cold start it sits around 1200rpm, and then settles to around 850rpm when warm. However after a bit of "spirited driving", the engine wants to idle high...sometimes way high...like 2500rpm high. The only thing I have checked so far is that the...
  3. porshuh

    Pulley size vs. SC vs. boost

    Do different superchargers (M90, GenV, etc.) make different amounts of boost at the same pulley size? Here is the reason I ask: I am unsure of my pulley size - I measured 9.75" on the bottom of the grooves and 10.125" on the top of the grooves. I'm not sure which you're supposed to measure...
  4. porshuh

    Made it to the Dyno the other day...

    ...and back home again without blowing anything up! Is great success! Put down 268whp. I'm pleased, giving that I'm only running 8psi. I need to go measure the pulley size, but it's on a GenV blower, so it's way up from stock efficiency. Since I bought the car already modded, there are...
  5. porshuh

    Name that Mod!

    Okay so I went ahead and bought this car - '01 GTP with 124k. I wanted to buy a stocker, and mod it myself, but this price was just too nice, so I bit. Anyways, some mods are obvious, and other things I see I have no idea what they are...so if you see something that looks familiar, please...
  6. porshuh

    Looking to buy this GTP. Comments?

    2001 GTP with about 124k on it. The mods as listed (dealer not 100% sure of mods) indicate: Cold Air Intake, Performance Header Exhaust and down pipe, Full Dual Exhaust Magnaflow set up, Red lowered Koni shocks, BMR Front & Rear Sway Bars, MSD wires, 4 Like New Bridgestone...
  7. porshuh

    Which Grand Prix to buy?

    Hello all, I'm in the market for a grand prix. I hope to end up with a reliable, fun car that will eventually get to be mighty quick. My questions is which is the best (by best, I mean easiest/cheapest/most reliable) car to upgrade? Series II 99-03 GTP Series III 04-05 GTP (is the CompG...
See more
Back
Top