{Chrysler 300} Carter carbs / storage

[John Grady <jkg@xxxxxxxxxxxxxxxxx>]

I have become extremely frustrated with what happens to our cars in storage , often after less than a year now, probably due to ethanol as a compounding problem .

You go to drive your car , it will not run right or idle etc due to residual junk “in carb passages”  after evaporation of fuel , plus what is in tank goes bad . 
Don’t even say Stabil , it’s ethanol .

 Briggs and Stratton make some special stuff,  as they have fat in this fire. I have been using it . It is an engineered product can’t hurt is thinking but still the issue remains . With a lot of cars able to go this gets really bad . 

I wonder if anyone in club has a real answer ? “ Stabil  worked  for me “ is not a real answer , as in  moonlight worked for me . 

Someone mentioned putting two stroke oil in with gas ,— that might work especially if a strong mixture of this was drawn into carb the day you put it away and you are rigorous about it , keep records etc  
I was thinking modify fuel line to a well done rubber hose or special fittings so you could easily  disconnect and do this, put the filter right at carb , disconnect line hold temp bottle with a hose at bottom , up over for last few minutes ?

“Original looks “ that do not work is just not  so good .


But the big takeaway on this I found yesterday on a hot rod site , as I have a 318 78 dodge truck recently restored , idle mix screws sort of unresponsive, stalling etc etc 
Went looking about erratic  inoperable idle screws on Carter 
 ( saw that issue many times on 300 )—  it has a rebuilt carb Carter BBD 2 bl rebuilt only a few years ago and ran great before two years on non use . BBD variations were used from 50 ‘s to 80’s as the mopar 2 bbl

So on the site the  guy mentioned that the problem arises in the narrowed-  down tip of the very  narrow brass tubes that dip into fuel to feed the idle circuit . The hole  at the end is long and tubular , smaller than the smallest drill in a 100 drill numbered set . It is made I think by swaging brass tube down . I believe AFB are same design , these tubes and a cover on them are part of the main venturi cluster held in with two special screws . unfortunately you have to pull carb top to get at it. Best  done with carb off …. obviously 

Along the lines of why not try , i did this , sure enough junk in tiny tip hole from
dried gas . cleaned out with stainless wire , blew out with air … It works! Idle screws out 1.75 turns like normal !’ Before 6-7 turns still not running right 
Awwwright! 
All these years thinking some mysterious thing happens to carbs , cured by rebuild , $ time  and hassle . Now I feel I know something new 
Good to
know … 
Still learning … may help you , —- that , and use current edelbrock
needles in
our carbs , that cures deformed seats inside carb from too much golden screwdriver as taper is different 
jkg 

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