Posted by Kaegi [162.158.106.189] on Thursday, June 14, 2018 at 12:05:34 :
In Reply to: Re-jetting for higher altitudes? Necessary? posted by Ddd [108.162.221.11] on Thursday, June 14, 2018 at 06:57:15 :
the video someone posted awhile back of the 51ish PW setting the highest altitude record for a vehicle back in the 50s was over 20,000 feet and that had to adjust idle mixture. I think the manuals say a timing adjustment at certain altitudes is recommended for top performance.