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Weber Dcoe Jetting


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#1 Manne

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Posted 06 March 2008 - 06:30 AM

Hi!
Got a 1275 engine. Kent MD266 camshaft, comp. ratio 10:1(head and pistons from MPI). I will run it with a DCOE 40, choke size 32 or 34.
Anyone who has approx. this setup? I would like to know what jetting to start with....as a guideline.

/ Manne

Edited by Manne, 06 March 2008 - 07:20 AM.


#2 Andy_Jansen

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Posted 06 March 2008 - 07:37 AM

Read the following internetpage, you will get a pretty good idea of what you want and what to choose

Clicky!!!

#3 Manne

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Posted 06 March 2008 - 11:24 AM

Read the following internetpage, you will get a pretty good idea of what you want and what to choose

Clicky!!!


Ok,I'll check it out.

/ m

#4 WiredbyWilson

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Posted 06 March 2008 - 11:44 AM

think i was advised to rum 30mm chokes in mine on a std 1275. dunno if that helps but i have a load of spare jets and some chokes if you don't want to pay full price. >_<

#5 pogie

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Posted 06 March 2008 - 09:50 PM

In David Vizards book, these jets are listed for a 40 DCOE on a standard 1275 + modified head. They should get you started but you should rolling road tune the car as soon as possible so you can get the jetting spot on.

Choke 35
Main Jet 145
Air Corrector 180
Emulsion Tube F16
Pump Jet 45
Idle Jet 50F2
Auxiliary Venturi - Not listed but other 1275 examples have a 4.5


HTH

Edited by pogie, 06 March 2008 - 09:51 PM.





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