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Jeff Stout · 10-29-2018, 05:24 PM

Looked up in my log book and found similar DA numbers and at 3000 difference I was .22 faster in Phx. I have changed timing and opened valve lash to compensate when its really bad in Tucson.
Also converter acts different and track prep will come into play.

10-29-2018, 05:24 PM	#3
Jeff Stout VIP Member Join Date: Dec 2001 Location: phoenix Posts: 1,407 Likes: 53 Liked 654 Times in 254 Posts	Re: altitude change problem Looked up in my log book and found similar DA numbers and at 3000 difference I was .22 faster in Phx. I have changed timing and opened valve lash to compensate when its really bad in Tucson. Also converter acts different and track prep will come into play.