New to this site and need help asap!

**08grandprixman** · 03-18-2011

Hello all, i own an 08 grand prix and i had a few questions!!!!
#1. I have a 7' inch touch screen in dash deck but when i went to best buy to have them install it, they told me installing any deck besides the current stock one in this exact car, would cause my car to shut down the entire electrical system. is this true? please tell me it isnt!
#2. i also have 24inch rims that i would like to put on the car but what size tires should i get and how high should i lift it for it to have no rub at all but still not mess up my traction or anything?
Thank you soo much for the help if possible.

**gtpinsc** · 03-18-2011

no idea what best buy is talking about.. 24's will kill ur transmission.

**08grandprixman** · 03-18-2011

ok so the deck is good to go? and i should just go 22s with low profile tires and no lift?

**JoshsGTP** · 03-18-2011

I say 18s to keep your trans.

**gtpinsc** · 03-18-2011

theres gonna be alotta strain on tranny still.. 22's would obviously be safer than 24's unless ur gonna get a built tranny id go with 20's. but if u go with 22's id try and find the lightest rims possible.

**08grandprixman** · 03-18-2011

sorry if this sounds retarded but how would the 22s kill my trans? and what exact weight should i look for

**gtpinsc** · 03-18-2011

cuz they have more rotational mass and are alot heavier than stock. so it takes alot more to turn them. our trannies are already pretty weak as it is. and find the lightest u can.. if u throw 100lb wheels on.... ur trans will die eventually.

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