Originally Posted by sst4356
I was told that 200 jets is the max jets that stock metering plates flow. yes that is the same part no. that I have . it also gains heat thru the run also, leave at 140 degrees 180 at finish line 1/8 mile. before you say not enough rad. ok with apd carb.
Might be worth saving up to send to apd, I've seen very few holley out of box alky carbs that work right. Sounds terrible lean but maybe its so rich that its giving you a lean condition. You run a egt ?