stalling on deceleration

I have an 86 CJ7 with the 258 and Carter BBD on it.

Here's my problem...

I am about to undertake a full carburetor rebuild today with care to clean out those idle tubes and get all my settings right, but wanted to make sure I was solving my biggest idling problem at the same time.

While my jeep struggles with cold mornings and idling in general, it also stalls on deceleration or downhill and revs higher on uphill (when idling). I originally thought it was a vacuum leak problem (which I will be checking for today as well) but wanted to see if there was another culprit I might be missing. One piece of advice suggested I check the float level which I will during the rebuild. Anything else?

By the way, thanks to all the generous contributors on this group. I am amazed at the time and thoughtfulness that goes into responses. For me, a first time jeep owner (86 cj7), it has been a huge resource to get me up to speed.

Deano

Reply to
Deano
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Deano,

Mike Romain has a fix for the idle tube problem he promotes, it was actually a fix that Jeep used for a while that involves drilling out the tubes because they are too small from the factory. After the 'fix' all you will need in the way of maintenance is a carb rebuild every few years to replace the rubber parts and reset the float. If I remember correctly you can perform this fix while leaving the bulk of the carb installed.

Do a search on this newsgroup for "mike romain bbd fix" and I'm sure you will find the procedure.

Reply to
billy ray

Thanks Billy. I definitely was planning to address the idle tube issue, but wasn't sure that that would fix the quirky stalling problem I also have (decel/downhill stall, uphill revving).

Any other thoughts?

billy ray wrote:

Reply to
Deano

If it isn't done already, you might want to consider the Nutter bypass mod to eliminate the computer. Sounds like it is a big improvement.

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Chris

Reply to
c

Mike is the expert on the BBD here, unfortunately he is away wheeling this weekend.

Reply to
billy ray

Reply to
L.W.(Bill) Hughes III

Reply to
Deano

The 'fix' is designed to prevent it from happening again I believe but regular applications of GumOut JetSpray may keep the tubes clean and clear.

Reply to
billy ray

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