OP
Engine Rebuild
- Thread starter Eddie
- Start date
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ChuckT
Gold Member
That looks to tight to me.
I think that the rule-of-thumb for ring gap in a gas engine (it may be different with diesels) is one thickness of the ring. And you could file down the ring ends (square please & don't do it with the ring in the bore!) to make the gap wider.
FWIW
cvt
I think that the rule-of-thumb for ring gap in a gas engine (it may be different with diesels) is one thickness of the ring. And you could file down the ring ends (square please & don't do it with the ring in the bore!) to make the gap wider.
FWIW
cvt
mark777
Veteran Member
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- May 16, 2004
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- Ym1300d-1401D-1601D , 1610D & Massey Ferguson 1020
ChuckT,
If you look at Eddie's first attachment, the ring gap (@ 10 o'clock) indicates a minimum of 0.200, and the engine most probably was hydraulicing to make compression and keep running. Hence excessive oil consumption.
His second attachment, the ring gap (@ 3 o'clock red arrow) is closer to 0.018-0.020 which appears to be standard in the diesels I've worked with. I don't have the shop manual handy, but diesel is near double the compression of gasoline engines.
Mark
If you look at Eddie's first attachment, the ring gap (@ 10 o'clock) indicates a minimum of 0.200, and the engine most probably was hydraulicing to make compression and keep running. Hence excessive oil consumption.
His second attachment, the ring gap (@ 3 o'clock red arrow) is closer to 0.018-0.020 which appears to be standard in the diesels I've worked with. I don't have the shop manual handy, but diesel is near double the compression of gasoline engines.
Mark
OP
Eddie
Platinum Member
14 hours of strong mowing since rebuild and it is still completely full of oil. I actually am able to get some black smoke when I load it instead of blue. Runs stronger too!!!!!!
arthr31
Platinum Member
great! q: after you load the engine, how soon does the black smoke dissapate? either way, nice to read that things are running well!!
OP
Eddie
Platinum Member
It is just a temporary thing, like when I have it in high gear and gun it with the foot throttle, I get some black smoke instead of blue. It smells like diesel instead of something funky.