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  1. #1

    Default Custom Tune Ontario Canada

    Hey Guys l went to MGS Custom Tune last year in Coutice Ontario Canada had him tune my 2008 Duramax . They did a great job on my 2008 Duramax Performance tuned, Air Intake,Exhaust l decided to bring my New Truck 2012 5.3 to them wow great job they spent 4hr on truck Data Logging and Tweaking tune. Great place to go if your in GTA Toronto Area just my personal experince

  2. #2
    Jr. Engineer Falcone's Avatar
    Join Date
    Apr 2009
    Toronto, Canada


    How much did your tune cost? Also is there a programer in your truck now? So you can change your tune yourself? From like 89-91 tunes or econo tune etc?
    2010 Sierra Nevada Edition
    4.8L Ext. cab - Black Z85 4x4 G80
    Shaved a couple badges and 4x4 stickers, DeeZee Red label Low Pro gloss black Brite plate cross box,DeeZee gloss black Brite plate bed rail caps , K&N,more to come.

  3. #3

    Default Custom Tune

    They just do one good safe map for the truck or car. I am not sure how some tuners can do multiple tunes in one day MGS can spend as much as a day on one truck depending on the modification I can only speak for myself l am very Happy with the results I know they also tune for superchargers cams ect One day l was there they were tuning a 1999 Firehawk with a LS6 swap and a Vortec Supercharger from a 1996 LS1. l talked to the owner of the car he was very happy with the results after a year of using other shops MGS nail it down in a day for him and could finaly drive the car with out issues and great power ontop of it.

  4. #4
    Master Mechanic silverhobey's Avatar
    Join Date
    Oct 2010
    Cobourg, Ontario, Canada
    Blog Entries


    I live in Cobourg, and guys here also talk of the same place and how greater their trucks are afterwards !!! Brian form Cobourg, Onatrio
    Silverado Crew.....4.8 L

    ---Pendaliner BoxLiner and Side Rails....Van and Truck World
    ---Reese Adjustable Step Down Trailer Hitch....Van and Truck World
    ---PUTCO chrome eyebrow Mirror Covers.... Van and Truck World
    ---PUTCO chrome Bowtie 3rd Brake Light Cover....Van and Truck World
    ---DeeZee TailGate Assist ....Van and Truck World ( now Action Car and Truck Accessories )

    ---Westin Series side steps....Apple Auto Glass
    ---TRIFOLD rear soft Tonneau....Apple Auto Glass

    ---Chevrolet Bowtie Mudflaps...GM Dealer
    ---GM Rear Wheel Well liners...GM Dealer
    ---GM Front Black Tow Hooks w Hloks
    ---GM Chrome Tailgate Handle/matching key-lock....GM Dealer
    ---GM Driver Information Center Upgrade...GM Dealer
    ---GM Front Tinted Bug Deflector...GM Dealer
    ---GM Chrome Door Handles....GM Dealer

    ---Better Built rear hitch step .... Lowe's !!!
    ---AVS Window VentVisors...Canadian Tire
    ---AVS tinted License plate covers....Wal-Mart

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