| [GMCnet] Paterson Dizzy [message #218728] |
Sat, 17 August 2013 08:59  |
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USAussie
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma:
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Senior Member |
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G'day,
This is what you will get with a Paterson Dizzy:
http://www.gmcmhphotos.com/photos/member-galleries/p32021-dick-paterson-s-distri.html
Note the 12 degrees Initial setting.
With all due respect to people that set their timing with vacuum gages but as far as I know the only way you can get an accurate
timing setting without running the risk of over advancing the engine and causing knock (which sometimes can be so quiet you can't
hear it) is to use a timing light. I have NEVER read in any automotive or motorcycle manual I've had to set the timing with vacuum
gages. If anyone has one scan it and put it on the photo site. If I am incorrect PLEASE make me look like a dumbass! ;-)
Also I would like to know exactly what it is you gain by setting the timing with vacuum gages and PLEASE don't give me and seat of
the pants BS like; "the engine performs better" or "I get better gas mileage." Quantify it with numbers / dyno run, acceleration
tests, mileage calculations - hard data!
What I'm really trying to find out are the risks of setting the timing incorrectly and causing engine problems worth the performance
gains? ESPECIALLY in a vehicle like a GMC?
Regards,
Rob M.
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Regards,
Rob M. (USAussie)
The Pedantic Mechanic
Sydney, Australia
'75 Avion - AUS - The Blue Streak TZE365V100428
'75 Avion - USA - Double Trouble TZE365V100426
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