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#13
06-08-2012, 10:51 AM
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Re: 69 z28 302 running hot on hwy
If it is not boiling over, running erratic, pinging etc.leave it go and put some more miles on it. I would try to find some better gas if I were you or at least a lead additive. I think you can do better than 91 octane and then do what Tony suggests. With the off road cam you are making some pretty good HP.
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