lean burn has been gone for a long time now. since scrap was so high last year you cant find anything with old 4bbls on it unless you want to buy a whole car. which i dont have the space or money for. i do get 21 to the gallon on the highway with this carb on it though and still has a lot more power than the carter2bbl and the old iron manifold. except i cant do burnouts anymore.

I wonder if its warped & leaking internally which did happen to some of those as they ran pretty hot because we've covered just about everything unless we've missed something we thought we had checked. when I saw your post I was hoping that you had some good news

when i rebuilt it i checked everything for any warpage. everything was fine on the carb and all internal ports were clear. i do enjoy the gas milage though. with the lean burn and carter 2bbl i was getting 7-9mpg

like I said...hickabilly a early chevy q-jet by tac welding the mopar throttle lever on to it

got a new reman one for a chivy truck fer 120$

should be able to find a chivy in a jy,IMO

I am with RR... what did we miss?,,,try another known good carb

I can send you one that needs a throttle lever for it but its a non emisions carb from a 350 inbaord mercruzer

I grab em off caddy's,pontiac's,chivy's and look for mid 80s dodge carbs for the lever and KD linkage

I just grab the lever and jets/needles out of the dodge ones,swap them into the chivy one and its pretty close on the meetering/jetting for a 318/360

the u-pull it here is full of the 40$ with a 10$ core charge

keep looking

i finally got ahold of someone at holley and they told me they can only help with problems with new carbs. looks like ill be saving up for the 500cfm eddy then instead of a new holley. worst people ive ever dealt with on the phone. they never replied to 3 emails either

could it possibly be there is too much vaccum at idle and when i hit the throttle the sudden change in pressure makes it stall out.

That wouldn't be it in fact the more vacuum the better. I would put in a fresh set of plugs & try it again & when you barely move the throttle you get a squirt? and a substantial quantity/duration of the squirt?

i did put brand new plugs in it. the squirt starts as soon as the throttle starts to move. ive played with the duration a bit but still no help. the fuel is squirting into the carb when it does it. when you do it for about a second or so it doesnt even fire or anything. it just stops for up to a second. if i go VERY slow with the throttle its ok. its weird though because its not a little after you open up the throttle its as soon as you pull it back it just cuts out. i took it to a local mechanic and he was completely stumped.

i plan on putting on a holley 600cfm but have to save up for it in between bills.

tried capping off the vac advance. didnt help. put the idle screws at the richest it would run. didnt help. adjusted the acc. pump for the longest duration of squirt. didnt help. still get around 20 to a gallon. waiting on my federal check to come back then i plan on getting a 600cfm holley 4160 but havent heard anything back yet. the junkyards around here dont have andy 4bbls from 318's or 360's with the exception of one thermoquad that needed a complete rebuild with several linkages replaced but they wanted 200 for. i was thinking of ordering a thermoquad from summit but theres so many different ones i dont know which one i need.

yeah i was looking at thermoquads and may just go with a holley 4160 600cfm. about the same price and parts are readily available for it.

oh! NO!!! holley gas holes

HOLLEY ?? Satan is truly everywhere.....!!!!

RapidRobert I agree...going lean somewhere for sure

Dan

67 Barracuda to be injected !!

i forgot to take my car off choke today and it was running almost fine. didnt stall at any redlights and when i revved it it didnt cut out. jets too small?

sounds lean

choke on is cutting down the air and pulling more fuel

do you need special jets for certain carbs or will all holley jets work?

I think maybe they are the same across the board...but may vary to type of holley

just get a strip kit or trick kit for a rebuild

you can just get the jets in a pack,prob gotta look em up and order them

speed shop would have some hang in stock maybe

what holley ya gots?