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91coupemikes' 8.80 pass.

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  • #61
    Originally posted by 3.90x3.62 View Post
    Mike ~ What was the air pressure in those slicks?
    Started at 20 psi 1st pass and got down to 12.5 same story everytime.

    On the 12.5 pass I roasted the tires made tons of smoke and it spun worse.

    320rwhp. 7.67 @ 90mph 1.7 60'

    DD: 2004 GMC Sierra VHO 6.0 LQ9 324whp 350wtrq

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    • #62
      Originally posted by 91CoupeMike View Post
      Started at 20 psi 1st pass and got down to 12.5 same story everytime.

      On the 12.5 pass I roasted the tires made tons of smoke and it spun worse.
      Put some decent shocks and arms on the thing!
      sigpic

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      • #63
        Originally posted by 91CoupeMike View Post
        Started at 20 psi 1st pass and got down to 12.5 same story everytime.

        On the 12.5 pass I roasted the tires made tons of smoke and it spun worse.
        Something is definitely a miss. Get yourself some poly bushing lower control arms and some M/T E.T. Streets. With my Hotchkis LCAs and E.T Streets, I was pulling 1.79/1.80 short times just slightly loading up the converter to around 2,400 for launch. Tire pressure was around 15-16 psi. Address your sloppy suspension issues and get some fresh tires. It'll be money well spent.

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        • #64
          Originally posted by 3.90x3.62 View Post
          Something is definitely a miss. Get yourself some poly bushing lower control arms and some M/T E.T. Streets. With my Hotchkis LCAs and E.T Streets, I was pulling 1.79/1.80 short times just slightly loading up the converter to around 2,400 for launch. Tire pressure was around 15-16 psi. Address your sloppy suspension issues and get some fresh tires. It'll be money well spent.
          That is the plan, going to throw my drag springs in too.

          320rwhp. 7.67 @ 90mph 1.7 60'

          DD: 2004 GMC Sierra VHO 6.0 LQ9 324whp 350wtrq

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