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1-19 of 38 Results
  1. North Western
    I've been looking in to headers and feel confident there, but unsure as to what the best move is for a tune. Options seem to be - 1. Purchase a tuning device and get an emailed tune from one of the reputable tuners (e.g. Pat G). 2. Go to a local tuning shop with good reviews. The downside...
  2. Exhaust Tech
    My exhaust mods consist of Solo axle-backs and an x-pipe, and additional mods include a CAI and a Cortex tune. I've been doing a lot of reading, and I'm hoping to determine the best exhaust mod from here. My goals are HP and sound. My current sent up sounds really mean at startup, but not so...
  3. Newbie/Introduction Forum
    Having owned a.... 87 Grand-am coupe 01 Bonneville SSEi 91 Firebird formula I am defiantly a Pontiac fan! I have finally gotten to the point where I can get myself a GT! I am looking at two different cars, both that I feel confident that they have been well maintained and cared for. That...
  4. V8 Engine Tech (L76/LS3)
    So I'm actively looking for a G8 GT, and I found one for a good price ($10k - 100k mi. - SportPkg. - already has CAI & Solo cat back installed) . The listing says that the guy had DoD disabled via tune, but my question is: can you do get away with just disabling it via a tune, or is a...
  5. North East
    Hi all - first post! I bought my MGM G8 GT July 29th of last year and didn't really get to enjoy summer cruising. After a relatively mild winter here in MA, I've started preparing accordingly. This past week I managed to install my Rotofab CAI. I ended up using a roadside assistance tool kit...
  6. V8 Engine Tech (L76/LS3)
    So first off, my car: 2009 G8 GT, 35,000 miles, and daily driven 70 miles a day round trip to work, 90% freeway. Full OBX exhaust from 1 7/8 long tube headers, to the factory GT mufflers, no cats. Used stock GTO intake tube for free flow, factory air box, K&N filter. Wideband O2 to tune with HP...
  7. PCM Tuning / Dyno Results
    So I just recently added kooks long tubes no cats on my 2009 G8 GT and decided to make the trip from Houston to Victoria to pay Pat G a visit for some as some of you know excellent tuning. I'll start by telling you guys my engine mods. Vararam intake, kooks headers mated to a solo mach shorty...
  8. Exhaust Tech
    This question isn't necessarily even specific to a g8. Let's just say in general, you have a high performance engine of some kind, maybe a turbo charged v6 let's say, and it's bone stock... Let's pretend you like the look of quad exhaust...which would you do first, the aftermarket quad exhaust...
  9. Exhaust Tech
    This may be a dumb question but im pretty new to this exhaust stuff. On my G8 GT i have the stock exhaust system still on. What i am wondering is if i buy some Pacesetter Headers will they bolt on and hook right up to the rest of the "stock" exhaust system. In other words, when i buy headers...
  10. Drivetrain Tech
    I have the cortex tuner. Currently I'm running the Vararam 93 tune. It has the option for increasing your shift points by 100, 150, 200rpms, etc. The hp/tq graph cortex has out for the tune leaves me to believe that when you shift you want to try and be as close to 4200rpm as possible in the...
  11. G8 Talk (V6)
    I am new to this and I was told from my cousin who had gotten a custom tuneto make his hp solid straifht down to the tires on his evo that getting a custom tune would be the best thing to do to add a little more kick to my g8 v6 however im having trouble finding a place that does It to g8 v6s...
  12. V8 Engine Tech (L76/LS3)
    Just bought a used Spectre CAI and Cortex from another member here. Just wondering what the best way to do the installation. Should I install the CAI, drive around some, then install the cortex later? Should I do it all at the same time? Ive read that I have to install the base tune the...
  13. PCM Tuning / Dyno Results
    Alrighty so im kind of confused right about now... Last year i got my G8 and took it to the Drag Strip here in northern Iowa to see what it would run. It held true to the typical 13.89 / 60"- 2.19. I was pretty happy that it was at least normal given it was about 90 degrees out.. so after...
  14. G8 GXP Talk (V8)
    This may be a dupe, but I wanted to share my dyno results. 393HP/391lb·ft at the wheels. This is after Roto-Fab intake and tune at A&A Corvette in Oxnard, CA. http://youtu.be/9LVjKGxnai4
  15. PCM Tuning / Dyno Results
    I live in socal (LA/ventura area) and plan on getting kooks mids, so ill need a dyno tune. Where should i get one? i know vms and livernois are popular, but are they in california?
  16. Wanted to Buy / Trade
    Anyone have one in good shape that they want to sell? After many month of deliberation, I am ready to make a move on the Cortex....will be making my first run down the track tomorrow night with only a CAI, so look forward to comparing once I put the tune in. Thanks!!
  17. Wanted to Buy / Trade
    I'm ready to embark on the world of hand held tuning...might anyone have one they want to get rid of at a good price? :gears:
  18. Exhaust Tech
    Finally got the cash to swap all the heavy old exhaust system out for a magna flow wideopen and xpipe. (the stock exhaust look like crushed 5 gallon buckets.) Sounds great starting up and taking off, the drone on the other hand is horrendous. But that doesnt bother me too much. When i get to the...
  19. G8 GT Talk (V8)
    Is it possible to have different engine tunes based on which trans mode you in? Example - a normal, gas saving, comfortable, cruise around town tune if you are in regualar mode and a BAD A__ tune if you shift to sport shift mode? or Put your NOS tune on the sport shift???:driving:
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