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View Full Version : 400carb question, NOT jetting!



ezdaar
06-08-2009, 05:07 PM
So. What Year model carb are you guys running?

Im ready to pull alil more power from my 300 and figure the 400 carb is the cheapest and simplest way to go.

I do not need jetting help as I will be tuning with a wideband and will have my jetting spot on.

Mainly need to know what year is the best and why.
Are they all pumper carbs? Does the throat size vary from year to year? Does the stock jetting change?

Basicly I'm looking for intimate details which I have not found here via the search engine.

Please No guessing, Need solid facts.
Thanks for your time.

Tommy Warren
06-08-2009, 08:29 PM
you'd be better off asking these questions in the 400ex forum.