Engine Mystery threaded hole on block
- Thread starter stang80s
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What Is This Hole On The Top Rear Of The Block?
What hole is the one that is circled red? I believe the blue circle is an oil galley plug, but I do not know what the other hole is. It is threaded. (This is not my actual picture, so mine is not filled with orange RTV.) I was replacing the lower manifold gasket and noticed this hole filled with...
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Boostedpimp
Dirt-Old 20+Year Member
Do yourself a favor and clean out that pvc valve screen if there is one it looks a good bit full (larger whole next to the area where your arrow is pointing)
For the knock sensor that came on the F1SE block used in 1991+ 302 engines that were in Mustangs and other fords with the 302. I believe only the F150 used the knock sensor.
Does confirm you do have a 91+ engine
Does confirm you do have a 91+ engine
Depends on the system. My MS3pro has a built in knock circuit, I just supply two GM style knock sensors threaded into the back of the head. It takes some setup but works well.
something to note is that a knock sensor can be blinded by excessive mechanical noise and thus rendered useless
something to note is that a knock sensor can be blinded by excessive mechanical noise and thus rendered useless
Do you have a GM sensor # small enough to use the 302’s accessory bolt holes, or do they use the thermactor plug holes?
Mechanical noise is a concern on my other, air cooled project where a knock sensor would be helpful with increased operating temps under load.
Sorry to derail this more, but who was making excess mechanical noise, and who was rendered useless? I am sure there is a lesson for us here, but there is no need to answer if you are in witness protection.
I wish I could help with an answer here but mine got rid of me 26 years ago so I can't remember.....
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