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Unread 01-09-2002, 12:34 PM   #1
86kaicj
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Join Date: May 2001
Location: Canada
Posts: 9
4 cyllinder carb trbl

Seems my 86 CJ7 has had carb trouble from the get-go. I have records reflecting repeated repairs and replacements over the years through the last 2 owners. I bought it last year with a sparkling new carb, but still ended up replacing the float a few months later. It fixed things... but only for a while. I've never been able to get the (automatic) choke and idle properly balanced, and things are getting worse yet again. I'm constantly flooding and leaving a trail of smoke in my wake.

Any ideas? I've heard of affordable carb mods, but only for the larger engines, and I'm not in a financial position to go all out on a FI kit. In the mean time, I'm entertaining the idea of ripping out the auto-choke in favour of the old manual cable. Help?

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Unread 01-10-2002, 09:46 AM   #2
glm 87 wrangler
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Location: Fayetteville NC
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I will do some searching for your carb on your 4cyl cj i will try to get back to you if i find some info.Good luck.Later,Gary
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Gary 87 Wrangler 4.2 258 with weber carb and TFI upgrade.
31/10.5 and Nutter bypass!
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Unread 01-10-2002, 09:59 AM   #3
glm 87 wrangler
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Is your motor a AM 150 if you can give me some info on your motor would be a big help.
I do think weber makes a carb for your jeep
The problem will be the price maybe.if you do not want to spend the money on it.It runs about 346.00 bucks but it is a 2bbl upgrade.So it will give you more power.But all in all more info would be a great help.Oh by the way i dont try to push weber carbs but i have had better luck with them in a number of cars and trucks and my VW bug i had years ago.They are just a little more user friendly
than other carbs i have delt with.A manual choke may help with your problem but i had no luck with it in my jeep on the carter that i had.Well Later,Gary
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Gary 87 Wrangler 4.2 258 with weber carb and TFI upgrade.
31/10.5 and Nutter bypass!
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Unread 01-11-2002, 07:04 PM   #4
86kaicj
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Thanks GLM
The engine is, as you guessed, the AMC 150 I-4. I found out a whole bunch of other info in my search, thanks to an awesome website:www.off-road.com/jeep/tech/.

Bore x Stroke 3.88" x 3.19"
Displacement 150ci (2.5L)
Compression Ratio 9.2:1
Horsepower (net) 105@5000
Torque (net) 132@2800
Main Bearings 5
Valve Configuration OHV
Fuel 1bbl

Don't know enough about engines to know what (if anything) helps.

Thanks for trying!
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