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Jets & Chokes etc for a 40DCOE
https://ausmini.com/forums/viewtopic.php?f=2&t=49697
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Author:  clubmn [ Thu Jan 29, 2009 7:54 am ]
Post subject:  Jets & Chokes etc for a 40DCOE

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....

Author:  1310/71 [ Thu Jan 29, 2009 11:45 am ]
Post subject: 

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

Author:  1310/71 [ Thu Jan 29, 2009 6:36 pm ]
Post subject: 

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.

Author:  clubmn [ Thu Jan 29, 2009 8:08 pm ]
Post subject:  jay

thats greats thanks very much, guess i will run the 40DCOE as i have it,,

Author:  Beanie [ Thu Jan 29, 2009 9:45 pm ]
Post subject: 

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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