major leaks

[wyoming cowboy]

hey yall im new to the bronco world, but i am injoying it so far. i picked up a 72 bronco with a 302 for essencially free. i wasnt getting any spark past my distributer so i swapped out my points and condensser and she fired right up. ran great for 10 seconds then excessive amounts of gas started shooting out the top. how hard is it to rebuild those old two barrels?

 

[Rons beast]

Welcome WC,

They are not hard at all. The toughest part is finding the rebuild kits. There is a good chance the float is shot, and most kits don't include a float.

Found one at Macs, here's a link:

http://macsautoparts.com/search.asp?sb=0&ls=y&camid=BRO&year=1972&make=Ford&ss=carb+rebuild+kit&as_fid=JdMAG2c6Wtvve7D5oiSU&x=14&y=5

Good Luck

 

[Bully Bob]

I would add that a clean fuel del. system is important or re-building the carb can be an exercize in futility.

Or at least put a clear plastic or glass filter just b4 the carb inlet until time permits fuel line & tank inspection.

(this is assuming the truck has been sitting for some time)

These carbs are easy.... take some digital pics of the linkage & disassembly if that helps you.

Kits/parts are readily avail. On some of these carbs., the needle & seat can be removed by first removing the fuel line.., W/O removing the carb.

It's common for crud to hold the needle open & cause flooding.

However., having said that.,

"..excessive amounts of gas started shooting out the top"

Not sure what this means..? or how that can happen unless something is broken...? There's NO fuel pressure beyond the needle/seat.

 

[wyoming cowboy]

its almost like a gasket is missing, it doesnt SHOOT out the top it just over mist kinda. if that makes sense. ill start it up and then take a video of it, if that will help. it sounds like its gettting to much fuel and flooding out. but it just kinda chugs. i dont know. ill upload a video later for ya. thanks

 

[Bully Bob]

Ya., a video would help. Flooding/rich condition will also have a stinky exaust that sticks to your clothes & nose. :-&

The float & needle/seat work in unison., one or the other stuck will do what you describe.

In several cases., I've fixed this condition W/O buying a kit..., just by removing the top of the carb.

Obviously, if it's real crudy in there.., cleaning & a kit would be in order.

That "mist" is a fuel/air mix...., don't provide an ignition source.

Also, there may be more than one problem in play here. Timing could be off and/or a sloppy timing chain.

 

[wyoming cowboy]

ok so i feel like the biggest dork ever. i go out to start it tonight to take a video for you guys, and the darn thing doesnt do it. so im guessing some stuff was sticking and it finally lubed up and started working. but thank you guys anyway. i drove her about a hundred feet i felt like the luckest guy on the planet. thank you for your help.

 

[Bully Bob]

KEWL..!!

But stay close to home for a while to be sure it doesn't stick again.

 

[wyoming cowboy]

oh for sure. i have a busted driverside rear window, and my collar for my shifter is busted so i can only find first. next purchase is floor shifter