SandyC
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| posted on 15/3/11 at 10:07 PM |
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Dellorto 45s vacum advance???
I'm in the midst of changing out my pinto for a red top. I'm going to run the red top with an MBE ignition and the 45's from my
pinto. Question is the pinto had a dizzy with the vacum advance going into one of the 45's, what do i do with hose going in to the carb? Take it
off and blank it?
thanks in advance for any help
Sandy
Tiger Avon
C20XE
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imp paul
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| posted on 15/3/11 at 10:13 PM |
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you could blank it off as long as you don't need a vac take off for any thing on your new set up hope this mite help cheers paul
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austin man
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| posted on 15/3/11 at 10:14 PM |
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put a bolt into the pipe and jubilee clip
Life is like a bowl of fruit, funny how all the weird looking ones are left alone
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norfolkluego
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| posted on 16/3/11 at 12:14 AM |
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Why would you need vacuum advance with electronic ignition (sorry if that's a daft question)
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snapper
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| posted on 16/3/11 at 05:22 AM |
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To sense engine load the electronic ignition will use a manifold actual pressure sensor (MAP) which needs to see vacuum from all 4 runners or throttle
position sensor (TPS) which would be a reostat mounted on the throttle butterfly rod.
Some crude ECU's may only need to see the engine revs but that would provide a 2D ignition map only.
[Edited on 16/3/11 by snapper]
I eat to survive
I drink to forget
I breath to pi55 my ex wife off (and now my ex partner)
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britishtrident
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| posted on 16/3/11 at 09:06 AM |
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If you had the vac advance plumbed off one of the chokes on the Pinto carbs then the ignition timing must have been jumping around something awful.
[I] “ What use our work, Bennet, if we cannot care for those we love? .”
― From BBC TV/Amazon's Ripper Street.
[/I]
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