'85 Still Running Crappy after Carb rebuild - Off-Road Forums & Discussion Groups
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post #1 of (permalink) Old 12-17-2000, 12:31 PM
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\'85 Still Running Crappy after Carb rebuild

I went out to start my truck this moring and it was a pain in the butt to get running. (Just rebuilt the carb yesterday) I started pulling out of the driveway and it didnt have much power. Going down the road it started to take off and run better (still not very good) and I came to a stop sign, stoped(DUH), and started to take off and it died. I tried cranking it and it wouldnt start. So, I floored the gas and cranked and it started running. It ran very bad, sputtering (missing out maybe?), at about 500-1000 RPM's (With the pedel to the floor). It wouldnt take off at all. Finally some one I stopped and I had them try to start it while I looked at the carb to see whats happening. Well, with the gas pedel not pushed at all, (wont even come close to starting) the choke plate was closed (fully closed), then, I told them to floor it and the choke plate opened to chokeing position, car started, but wouldnt take off and died if you let the gas off. So, I pushed the choke plate open fully while he floored the gas and it started to take off. Slowly letting the gas off as it reved up, it started running. I drove it back home. I shut it off, let it sit for about an hour, and started it again, started up fine (but still not like it should, but how it usally does). Also, sometimes it will idle, sometimes it wont. When the heck should I do to try and fix this. I was thinking it might be the electric choke unit, but I am not sure. Any Ideas. Also, It is getting about the same gas milage as it was before the carb rebuild.

Sean Heberly
'85 Bronco 5.8L 4-V XLT: 266K still strong. Winter Truck now.
'86 Pontiac Fiero GT: 4.9L Caddy NorthStar Engine, 11.6 QM @ 107.1 MPH, Poly Susp, KONI's all around, 2 1/2" drop.
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post #2 of (permalink) Old 12-17-2000, 12:56 PM
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Re: \'85 Still Running Crappy after Carb rebuild

The "choking" position is closed - when the air flow is "choked" off. It sounds like you neither adjusted the choke properly, nor set the float levels. Go back thru the tuning processes in the carb kit and on the emissions sticker.

Steve
83 Custom w/95 4.9L EFI, 78 NP435, 83 NP208, 83 D44IFS 3.07, 87 Ford 8.8ABS 3.08, Michelin LTX AT 31x10.50R15
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post #3 of (permalink) Old 12-17-2000, 01:58 PM
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Re: \'85 Still Running Crappy after Carb rebuild

I thought choking it just restricted the air flow, not totally cut it off. According to the kit instructions, the electric assisted choke cannot be adjusted. I put it on the same exact same position it came off. Also, I did only do the "prelimanary" float leavels (Turning the bowls upside down and adjusting the float to be parallel with the surface).

Sean Heberly
'85 Bronco 5.8L 4-V XLT: 266K still strong. Winter Truck now.
'86 Pontiac Fiero GT: 4.9L Caddy NorthStar Engine, 11.6 QM @ 107.1 MPH, Poly Susp, KONI's all around, 2 1/2" drop.
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post #4 of (permalink) Old 12-17-2000, 02:06 PM
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Re: \'85 Still Running Crappy after Carb rebuild

Time for a new Edelbrock 1406 carb. My 85 ran like hell liek yours and needed a rebuild so forked over the 230 bucks and it runs great!! Do you have that crappy ol factory holley/motorcraft 4 barrel?

Mooseykat
post #5 of (permalink) Old 12-17-2000, 02:15 PM
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Re: \'85 Still Running Crappy after Carb rebuild

Yep, I got the factory holly one. I know it is a peice of crap, but this truck is a POS. 266K miles on the engine. I think, after this winter, I am going to get rid of it and get a new Bronco, like a 95 or 96. I just need this thing to run good, not really looking for alot of performance. I already spent $70 on the carb kit. I dont really want to spend any more on the stupid carb then I have to. There must be some way to get it to run right, Hopfully. I wish I would have known about that 230 carb before I rebuilt mine, good price for one. I just cant see putting anymore money in to this truck, its over the hill and starting to go up the next. I think Ill just take it to the shop Monday. I cant continue playing these games every time I need to get somewhere. Of course, the Local Ford dealership's solution to everthing is to put in a new engine, I mean geez, A/C doesnt work: Needs a new engine. Honestly, thats what they told me. Sure wish the older Fords were as dependable as my Fiero has been.

Sean Heberly
'85 Bronco 5.8L 4-V XLT: 266K still strong. Winter Truck now.
'86 Pontiac Fiero GT: 4.9L Caddy NorthStar Engine, 11.6 QM @ 107.1 MPH, Poly Susp, KONI's all around, 2 1/2" drop.
post #6 of (permalink) Old 12-18-2000, 09:08 AM
mcrackin
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Re: \'85 Still Running Crappy after Carb rebuild

I had a Dodge Van that had the same problem. The problem on the Van was a vacume restriction. There is a vacume line coming out of the carb going to the canaster that was restricted on mine. I pulled the vacume and the problem went away. Maybe simular???

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