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Spitfire Lbs of compression Spec for 1979 Spitfire.

R&M

Senior Member
Offline
I just ran a compression check of my Spitty with 64M miles on it.
Got
#1 150Lbs
#2 145Lbs
#3 150Lbs
#4 140Lbs
Could not find spec in the manual does anyone know what it should be?

Thanks for the help.
 
Doesn't really matter what the actual numbers are; it's all about consistency across the cylinders, your numbers look just fine.
 
Numbers look good. I'd check mine but that means adjusting the valves and that sounds like work.
 
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