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post #1 of 3 (permalink) Old 05-08-05, 11:20 AM Thread Starter
"Uncle Buck"
 
Join Date: Oct 2004
Location: Fergus Falls, MN
Age: 28
Posts: 52
Carburetor woes

Whenever my choke opens, the engine wants to die - even if the engine is hotter than ever.

No vacuum leaks that I've found, only negligable thing is a broken tube for the EGR diaphragm but I have the diaphragm that opens the egr valve blocked off so it's just serving as a spacer anyways.

uhm. besides that- I used a POS echlin/'napa' rebuild kit. From the looks of it the float/needle/seat setup is all wrong, the kit they gave me was for calibs ranging from the V6 to my 400v8

carb is Motorcraft 2150 2bbl on 400m (US)

Tried messing with idle mix to no avail.

Any ideas?

Next check I'm getting a motorcraft rebuild kit for it; hopefully that's the problem.


76' LTD Landau (400)
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post #2 of 3 (permalink) Old 05-18-05, 09:31 PM Thread Starter
"Uncle Buck"
 
Join Date: Oct 2004
Location: Fergus Falls, MN
Age: 28
Posts: 52
Re: Carburetor woes

Well, before I dropped some cash on the rebuild kit I managed to get it to where the engine will finally run when the choke is fully open; I also took the smog pump & associated clutter off.

HOLY COW there's a lot of untapped power that I haven't had-

I still have one problem however.

when the engine is cold or warm on slow "in town starting from a stopsign" acceleration, there's a spot where I'll open the throttle and the engine will stall if I dont quickly pump the peddle.

This issue dissipates when the engine is nice and hot.

any ideas?

76' LTD Landau (400)
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post #3 of 3 (permalink) Old 05-21-05, 06:37 AM
74 XB Fairmont
 
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Join Date: Sep 2001
Location: Cranbourne, Vic
Posts: 5,113
Re: Carburetor woes

Adjust the accel pumps to suit.

XB Fairmont (street car) 11.07@123.02mph.
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