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Carburetors and Carb Tuning.. All info about old school carb set ups..

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Old 03-29-2011, 10:11 AM   #1
dr.occa
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Quote:
Originally Posted by t_g_farrell View Post
Check to make sure your AP is making a good squirt. It should be part of what helps you get thru that progression from idl into WOT.
This is only my second post so apologies if it's a bit premature:

I've been running mikunis/solexes for years on my toyotas. I love 'em. What t_g_farrell pointed out is where I would check too: your accelerator pump sizes.

The size indicators can be a bit misleading. Just to give you an idea a 40 pump jet will squirt a larger amount at a shorter period of time over a 35. Make sense? So, it sounds like the progression from pilot to mains could be a lean bog due to either too short of a large squirt or to little of a long squirt.

I'd try going up a larger size though it'll be a shorter squeeze. It might be enough to straighten out that dip.

It could be balanced with a .5 step up on idles coupled with a step up on the pump jet.
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