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Joined: Nov 2015
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Just barreling along
Needs to Get Out More!
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Just barreling along
Needs to Get Out More!
Joined: Nov 2015
Posts: 8,672
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I bought a booklet a few years ago from a car mag review recommendation

Ignition and Timing (a guide to repair and replacement) by Colin Beever


Jon M
Joined: Jun 2015
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Talk Morgan Expert
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Talk Morgan Expert
Joined: Jun 2015
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Originally Posted by teknome
According to my notes the base plate should start moving around 5 inches Hg and reach the full movement at 15 to 17 inches Hg. May be a coding on the diaphragm to denote the start finish and advance
5 inches of Hg is just about manageable for the average human, but not much more than that, so the test by sucking may not be conclusive.


Doug
2011 Plus 4 in Rich Maroon

1972 750 “ComDom” sprinter
1958 Triton 650
1992 Triumph Trophy 900
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Redfate Offline OP
Learner Plates Off!
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Learner Plates Off!
Joined: Jan 2018
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I measured mine today and found that it begins to move at around 6" and is fully advanced at around 15" so I guess it's in the right ballpark.
I stripped the distributor too and nothing is binding all seems to be ok.... so far so good
Thank you for the info, it helped a lot. :-)


Paul

2009 4/4 Sport in Red
2022 Harley Davidson FXLRS Low Rider S
1977 Triumph Stag
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