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| Re: Tuning advice for Weber 40 DCOE |
Subject: Re: Tuning advice for Weber 40 DCOE
by ssskiwi on 2013/2/12 9:25:19
You have three areas that the jetting covers: idle, progression and full throttle.
The chokes determine where in the rev range that full power happens, the smaller the choke the lower in the revs, too large and you lose response down low.
I would be disconnecting the accel pumps to check the idle and progression as it sounds like the top end is OK. With the pumps disconnected you can make sure that the accell isn't covering for a weak idle/progression mixture.
Once warmed up, very slowly try to accelerate through the rev range, without the accel pumps you will quickly find any weak spots in your idle and progression circuits. I repeat VERY SLOWLY or you will flat spot straight away due to the lack of accell pumps. As you move up through the rev range you will need to richen up the flat spots and lean the fluffy areas.
Once you can very slowly rev it cleanly through the entire rev range, reconnect the accel pumps and it should be pretty close..
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