I think I dropped a valve seat on my '71 1.7 dd. can I swap heads without removing engine?
I suppose there is a chance it is possible.
I have seen and engine pulled without pulling the transmission.
But there is no way it is worth it, the engine is just too easy to remove to mess with trying to leave it in.
Simple work on the engine is hard to do with the engine installed, any major work and the engine should be pulled.
Jim
Pull the engine, do it right and do a valve job on both heads.
It may be time to look for some new-to-you heads. The 1.7 ones should be fairly robust, not nearly as prone to seat dropping as the 2.0 heads. I'd be worried that other stuff had happened to cause the problem, and it may have caused more damage to both heads.
--DD
I must agree with the others. Much harder to pull heads with engine in car. Might not even be possible, but definitely more work. I don't believe they will clear the engine shelf.
Do it right. Little pieces of metal went some where in the engine.
thanks everyone, out comes the engine today
after further inspection, I still have 125 psi compression in all four cylinders. the rapping noise starts after the car warms up, no noise when starting cold. the throttle cable frayed a month ago and it over revved before I shut it down, I am wondering if I have a sticking valve from over rev that tightens up when the engine warms up. any thoughts would be appreciated. no metal in oil or filter.
Pull the engine. Have the heads done. (Bofovem) And while you're in there......
First thing to do after an over-rev and suspicion of a dropping seat is to do a valve adjustment.
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