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performance

  1. A little help for the new guy???

    Engines/Performance/Tech Questions
    Okay so I have a 05 Canyon 3.5l z71. The only "mod" is I'm running 31x10.5 on the stock wheels. But new wheels and larger tires (33x12.5) are on the way with a 4in suspension lift. Well I'm really wanting to put a little pep in her step before all that though. So should I get a ported TB or a...
  2. SoCal Street Project

    New Member Introductions
    just traded an 05 cobalt for an 04 Colorado ext cab, 3.5 auto white tuck. One ding on driver side of the bed, another at the bottom of the passenger. has flowmaster 40 single in dual out with cool looking shitty sounding tips, small tires on the stock wheels, 1-3 blower problem, aand I think I'm...
  3. For Sale 09 Brake Upgrade Kit For Sale!

    For Sale
    Got clipped on the freeway and rolled my '07, :ugh: Had everything I needed to do the swap, but oh well, my loss, your gain. :th_ontopic: Came off a 2009 Colorado. Includes Everything but brake pads. 2 Rotors, freshly turned with plenty of meat 2 Calipers- with a fresh coat of flat black high...
  4. PS AC Delete?

    I4/I5 Engine & Drivetrain
    Anyone ever think about removing powersteering and AC for some (little) performance gain? And how would you go about doing it if so? Just an idea I had. I know the whole "daily driver" factor will get shot out the window but I want to squeeze out as much power as I can by reducing the drag on...
  5. Pipe Size Question..

    I4/I5 Engine & Drivetrain
    So next week sometime I am going to install my borla pro xs that is 2.5 inch pipe straight through. Right now, I have 3 inch pipe after my 2.5 inch pipe crappy muffler, dumped after the axle. My question is, If I ran 2.5 inch pipe to a turn down or side exit behind my rear wheel, would I notice...
  6. Big bang theory performance enjoy

    V8 Engine & Drivetrain
    Nation hope everyone is well . Ive been trying to do a lot of research on 5.3 turbo builds, there is so much out there its mind boggling!!! On the forum and off, i came across this build called (BIG BANG THEORY) By Hot Rod, Custom Roadsters, Classic Muscle Cars & Trucks - Hot Rod Magazine I read...
  7. Help with which tune would be best for mpg and performance

    Tuning
    hey guys! need some advice in what tune would be best for optimal mpg and performance without emptying my wallet on the most expensive tune..... any suggestion ?????? any ideas through them my way !!! thanks cheers
  8. Some questions

    I4/I5 Engine & Drivetrain
    So at 68,000 miles my 2005 Colorado (crew cab 4x4 3.5L Z85) threw me a P0302 code. I've been waiting for it. Idle has been rough for a while, MPG down from 20 hwy to 17 hwy, so yeah, seen it coming. Haven't done a compression or leakdown test yet, but I am planning for the worst anyway. But I'm...
  9. upgrade road map questions

    Street/Strip/Auto-X/Off-Road
    So since buying my '06 2.8 2wd extended cab canyon back in '09 I've been in love with the truck as a whole. Rock solid reliable to the point where even my retarded ass can't break it. Anyway the only thing I always wanted more from my canyon was performance. It wasn't such a big deal when I...
  10. which plugs should i get?

    I4/I5 Engine & Drivetrain
    so i keep hearing about theses iridium plugs i have been looking at ngk and acdelcos im not sure what ones i should get from those 2 or if there are even better ones out there.
  11. For Sale Truck SOLD! Parts up for grabs

    For Sale
    Hey guys! thru recent events Ive sold the 2004 canyon and ive gotten a new toy. I have parts left over that i didnt give the buyer so i can sell to you guys! I dont really know what price to put on these...just that shipping would be covered by the buyer. If you like something send me a PM and...
  12. tuning - is there different tuning for perf and economy

    Tuning
    hi , i am interested in getting a tune sometime this spring. i do not know much about tunes yet i want to have good fuel economy but i also want to maximise performance will this be the same tune ? should i get equiped with the hardware and software to change the tunes myself? i would also...
  13. easy & cheap mods to engine?? helpp

    Engines/Performance/Tech Questions
    so again, i looked on this site & saw some good ideas for mods to the engine to increase gas mileage & power & torque and stuff i wanna know what you guys have that was reasonable price wise and had improved your truck's performance & gas mileage. FYI i have a 3.5 I5 with a K&N air filter...
  14. performance chip

    Tuning
    DO ANY OF THEM ACTUALLY MAKE ARE TRUCKS BETTER? ive looked thought a few threads but everybody says they dont do anything. is that true??
  15. How To: Modify your stock air intake

    How-To: Performance & Maintenance
    Disclaimer The community here at 355nation.net urges you to please use caution and seek professional assistance when performing modifications to your vehicle. Before attempting any modification it is advised that you refer to your Colorado or Canyon service manual or contact a certified mechanic...
  16. How To: Exhaust Manifold Catalytic Converter Deletion

    How-To: Performance & Maintenance
    Disclaimer The community here at 355nation.net urges you to please use caution and seek professional assistance when performing modifications to your vehicle. Before attempting any modification it is advised that you refer to your Colorado or Canyon service manual or contact a certified mechanic...
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