Time to Replace the old F Engine

mrboatman

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Joined
Oct 21, 2016
Messages
1,264
Location
Southern Nevada
I`ve had some blow-by for the past 3 months or so well actually a lot of blow-by. So I did a compression test and it went #1=132 #2=60 #3=135 #4=137 #5=146 #6=155. So today I stuck a bore scope in to #2 spark plug hole and now I know why so much blow-by.

Image_2022-01-11 13_15_13_396.JPG
Image_2022-01-11 13_07_03_695.JPG
 

middlecalf

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Joined
Jul 20, 2004
Messages
4,031
Location
Sweet, Idaho
Thanks for showing that pic. I have a lot of blow-by in my early '63 ('64 1F) but my compression numbers are all really good. Good luck with "fix" or replacement.
 
Joined
Nov 24, 2019
Messages
147
Location
California
Nice compression numbers!

Don't dumb it down too much. Keep that carb!

I'm about to start hooking up the vacuum lines on the desmoged 2F I got from an 83' FJ60 in my 69' and have realized that if I use the non USA carb I bought instead of the stock one I give up a bunch of vacuum ports that are essential to the HAC and ICS. One thing I really disliked when I used to drive the 40 with the 1F was how it bogged down and ran really rich at high altitude. Coming from sea level so barely made it over most the passes in the Sierras. 🙃
 

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