Ran a 9.17 @ 77.5 with a 2.17 60' it spun the tires off the line. All the truck has done is a tune and cold air intake. Oh yea it has a 5.3l that came in the truck from the factory.

 

good numbers... u say it came like that from the factory?

 

Yea it's a 2009 Colorado with the 5.3l. It ran 9.6 @ 73 before the tune

 

good times for a basically stock truck. what gears? posi?

 

+1^ good numbers either way. cant wait to see these things get built

 

I has 3.42 and a posi. I want to get some drag radials to stop the tire spin

 

who tuned it for you? great times btw

 

If you plan to add any power you will want to get a bias slick not a radial. Being a truck the bias is much more forgiving and will offer much more traction then a radial on a truck. Now if you plan to stay fairly stock then don't worry about slicks, maybe a wider rear tire, but slicks are overkill. Air down and you should be able to keep wheelspin under controll.

 

I had Justin at black bear do it sunday when he was down.

 

Nice time increase from just a tune. I bet a pair of drag radials and gears would help it out greatly as well.