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Originally Posted by Griff
(Post 4797230)
Possibly worn dist gear and/or cam gear is much more likely than a timing chain issue.
This week I’m going to investigate and get my compression numbers and check for loss of vacuum. |
Do leak-down test for compression loss. Borescope on your camera will tell a lot about your pistons/valves. Can also be helpful about your cam.
Good luck. |
Originally Posted by GLENAMY 242SS
(Post 4797254)
Do leak-down test for compression loss. Borescope on your camera will tell a lot about your pistons/valves. Can also be helpful about your cam.
Good luck. |
Got the following compressions.
1-130 2-25 3-38 4-95 5-75 6- 50 7- didn’t check. 8- 80 |
Originally Posted by srdrago
(Post 4797550)
Got the following compressions.
1-130 2-25 3-38 4-95 5-75 6- 50 7- 8- 80 |
that might be a broken cam shaft
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Originally Posted by Griff
(Post 4797552)
Might as well stop there. Engine needs to come out and be torn down to evaluate further.
Originally Posted by F-2 Speedy
(Post 4797556)
that might be a broken cam shaft
don’t think cam shaft being broken. The router spins, starter spins and front belts spin. So from front to back it’s intact. anyone know if I can get the timing cover off without dripppig the pan? |
You may be able to pry the timing cover off of there, but if it is a gen 6 cover it will most likely break the corners off the timing cover. It isn't really feasible to do it without dropping the pan and dropping the pan in the boat is all but impossible. You would be much better off to spend the 45 minutes it takes to remove the engine.
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If #7 really has 0 pressure 95% chance engine has to come out to fix it. Much easier to work on on a stand.
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