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PostPosted: Thu Jan 29, 2009 7:54 am 
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Joined: Tue Mar 23, 2004 10:07 pm
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Location: melbourne australia
Im after some infomation on what Jets etc, to use on a 40DCOE... I got a 1275 going in my moke project and was thinking of using the 40DCOE that i have in the shed..
Anything against using a 40 on a 1380cc.. My 45DCOE runs 38mm chokes anyhow.. So a 40 isnt to small i would had thought, just harder to find info on....

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PostPosted: Thu Jan 29, 2009 11:45 am 
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Location: Plumpton, NSW
Vizard's book I believe does have some info for 40DCOE.
I used to run a 40mm on mine and might also have some info (at worst I could pull it apart and check as it is still sitiing in the cupboard).

However, all that is at home, not here at work.
KB

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PostPosted: Thu Jan 29, 2009 6:36 pm 
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Location: Plumpton, NSW
From Vizard (1275 + modified head)

Choke 35
Mains 145
Air correction 180
Emulsion tube F16
pump jet 45
idle jet 50F2

The only difference between this and 45DCOE with a head,cam and extractors is the 45 recommends 38 chokes; 165-170 mains; and an F2 emulsion - everything else is similar.

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 Post subject: jay
PostPosted: Thu Jan 29, 2009 8:08 pm 
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thats greats thanks very much, guess i will run the 40DCOE as i have it,,

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PostPosted: Thu Jan 29, 2009 9:45 pm 
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Location: Adelaide, SA
i ran a 40DCOE on a standard 1275 for a few sprint meetings .. had no problem with it ... all i can remember is that it had 32mm chokes in it ... ran o.k alltho it did lean out under light throttle ..
might even be running the 40 with a full blown 1293 race motor :shock:

But then again it might have to be traded for a 45

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