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supercharged ss vs gt stang?


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Okay, so about 2 months ago my 03 SS Silverado was about 3 truck lengths behind my buddys gt stang in a 1/4 mile. that was with only a 160 degree thermostat. now recently i have done some things such as. Electric fans, Pacesetter longtube headers and i have added a radix twin screw magnuson supercharger with a magnacharger cold air intake and tuned by black bear performance. my buddy and I raced again last night and this time he pulled me by a hood in the same exact place we raced last time. Now with all I have done is that about right? After supercharging and everything else i expected to embarass him honestly. did i have my expectations too high or is this a problem? Could my tune be off maybe?? looking for some opinions.

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You should have easily taken him unless he's hiding a bottle somewhere.

 

Follow the advice here. A little more tuning and a stall & shift kit will definitely make improvements. How much psi are you running?

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you should be working that Stang hard. I'd say something isn't right some where? you should got run him. your sure his GT is stock? are you going from a dig or roll? If your going from a Dig and he is still beating you then something is going on.

 

When my truck was tuned on 8lbs I ran a 04 cobra with a lower pulley and a tune. he was seeing 13-14lbs of boost and from a dig I hung with him for awhile. I would say he got me by about 3 to 3.5 cars. from a roll he walked me right away. when I added more boost and a new tune the truck would have probably have got him by a truck or so from a dig.

 

I would log your tune and see whats going on. did you race when it was really hot out? Because I know my truck is a dog on hot days.

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Yes he lives with me i know for a fact he is stock other than a flowmaster exhaust which is nothing. and no it was about 68 degrees and overcast. and yes it was from a dig. Just judging from the first time i ran him and then again after all of my work ive evidently only picked up about 3 car lengths? If that. im worse than dissapointed but im just hoping i can figure it out. and of course my buddy has it on video so now i look like a fool.

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