Joe KCMO Senior Member Jul 6, 2010 #1 I see the vacuum readings representing several good and bad operating condition for a flathead. What is missing is at what speed should the engine be at when taking those readings. Is it at idle or other. Thanks.
I see the vacuum readings representing several good and bad operating condition for a flathead. What is missing is at what speed should the engine be at when taking those readings. Is it at idle or other. Thanks.
oldford2 Well-known member Jul 6, 2010 #3 I hope this is legible: If so, print this post and hang it on your shop wall. Simple, interesting info if you have a vacuum gauge. John t Last edited: Jul 6, 2010
I hope this is legible: If so, print this post and hang it on your shop wall. Simple, interesting info if you have a vacuum gauge. John t
