[Fot] Weber DCOE 40's on TR6

[Rick Parent]

Hi Bob,
There is no magic setup so just tune accordingly. If you do not have an off idle hesitation now but one appears when you install the 30's you have gone too far, try 29's. If you do not have a o2 sensor you will be dead in the water and just guessing at your jetting. You main signal strength will decrease when you install larger chokes therefore you most likely will have to go down on the air corrector or up on the mains or both.

"Doing the right thing is always the right thing to do regardless of the consequences"

 

    On Wednesday, August 19, 2020, 09:51:36 AM EDT, Robert Lang via Fot <fot at autox.team.net> wrote:  
 
 Hi,
I poked around in the archives and found a few TR6 references with Weber jetting, but for the most part the references fail to mention the choke tubes for the setups.
I've been running 28mm chokes since forever and was looking to swap in some 30mm chokes but I may have to do the swap without access to a dyno.
So, the question is: if you change to different choke tubes, do you need to re-jet? I know the answer is yes, but I'd like to see some examples for folks that have done this (change from 28's to 30's or similar).
If you don't want to share setups on the list, I understand, but I figured in the interest of science, some real references would help establish a baseline. And yes, I know how small changes in the jetting can pay dividends. I've seen 7 or 8 HP gains playing with air correctors!
Feel free to respond off list.

Regards,Bob Lang339-927-4489
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