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Old 08-24-2006, 01:14 AM   #1
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GSM big boost kit

Just wondering if anyone here has the Big boost kit installed with the GSM supercharger, i'd like to know what kind of power you made to the rear wheels and what you made at just the regular 6lbs boost. I know what GSM claims, i just want to know from someones actual experience.

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Old 08-24-2006, 07:05 AM   #2
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GSM big boost kit

I had it installed for a couple of months... at 6 lbs boost I made 385 RWHP - at 9 lbs boost I hit 415 RWHP. The "Big Boost Kit" consists of bigger injectors, a smaller blower pulley, and a modified program.
I have to say the extra power was not worth the unpredictability of the blower... it was very abrupt when it kicked on, and the A/F ratio was close to the "oh crap" level several times. With the smaller pulley, the blower activated much sooner and more often than with the standard pulley.
My personal opinion - don't waste your hard-earned money.
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Old 08-24-2006, 01:06 PM   #3
 
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GSM big boost kit

Thats why I like the nitrous...I can get 425rwhp when I want it and run nice and smooth in between....!!!!
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Old 08-24-2006, 03:43 PM   #4
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GSM big boost kit

yeah i may have to look into that too, i know the tranny will need upgrading, but i'd rather do it in my own time, not after it spills its guts on the streets somewhere! Thanks for the help. Got the decal today btw, Mr H, i'll be putting that on asap
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Old 08-24-2006, 05:04 PM   #5
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Old 05-30-2007, 08:59 PM   #6
 
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GSM big boost kit

i had it in my truck big boost upgrade, headers high flow cats and custom tuned and made 500 rwhp.... corvette killer

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Old 05-30-2007, 09:44 PM   #7
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GSM big boost kit

Awsome numbers!!!
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Old 05-31-2007, 07:11 PM   #8
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GSM big boost kit

Awesome numbers, seems GSM might have some of there programming settled now.
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