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How hard is it to rebuild an Yj inline 6 carburator

#1 User is offline   Stomper4X4 

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Posted 30 November 2011 - 11:36 AM

hey guys help I need to either rebuild an the carburator or replace with a new one if so do i go with holly or weberor motorcraft

#2 User is offline   Big Red One 

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Posted 30 November 2011 - 03:32 PM

What carb do you have... if it's a BBD on top of a 258, I would rebuild it and do a NUTTER BYPASS, mine ran great until I put the 4.0 head on and I went with a Motor Craft 2100 (E-Bay) with a larger CFM due to the better flow from the 4.0 head... both worked well, even with the EXTREME angles one hits in Fla. :lol: You can also get a 2100 with a (1.08) @ 290 CFM that will work well on a stock 258. I ran a (1.21), @ 350 CFM, with the 4.0 head.
89 YJ, AMC 360, 102" OF NOISE AND BOOGER WELDS
MAKING GOOD DECISIONS COMES FROM EXPERIENCE ...
EXPERIENCE COMES FROM MAKING BAD DECISIONS ...

#3 User is offline   Outlaw Star 

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Posted 04 December 2011 - 09:40 AM

Rebuilding is a good option and cheap too. Just get a Haynes manual for all your instructions and diagrams. Good luck.
Yes I drive a station wagon, Yes its an AMC so just deal with it!!

#4 User is offline   Stomper4X4 

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Posted 14 December 2011 - 11:55 AM

View PostBig Red One, on 30 November 2011 - 03:32 PM, said:

What carb do you have... if it's a BBD on top of a 258, I would rebuild it and do a NUTTER BYPASS, mine ran great until I put the 4.0 head on and I went with a Motor Craft 2100 (E-Bay) with a larger CFM due to the better flow from the 4.0 head... both worked well, even with the EXTREME angles one hits in Fla. :lol: You can also get a 2100 with a (1.08) @ 290 CFM that will work well on a stock 258. I ran a (1.21), @ 350 CFM, with the 4.0 head.




I know for sure it isnt a BBD I know that it is a HOLLEY can't find the model number the only prob i have with it is the rich smell of fuel thats killing me when i drive it and twice it didnt want to turn over and my engine is a 4.2 inline 6

#5 User is offline   Big Red One 

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Posted 23 December 2011 - 02:55 PM

Take it to a carb shop, find out what model it is and rebuild it, sounds like a rebuild might get rid of the smell and poor performance at the same time.
89 YJ, AMC 360, 102" OF NOISE AND BOOGER WELDS
MAKING GOOD DECISIONS COMES FROM EXPERIENCE ...
EXPERIENCE COMES FROM MAKING BAD DECISIONS ...

#6 User is offline   Stomper4X4 

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Posted 24 January 2012 - 02:15 PM

hey brother i just found out that my carb was good just needed to reconnect the 12 volt power supply to the choke however the fumes that i have been getting is due to a blowback from the motor I will need to rebuil d the 4.2 inline six motor UUGHHH!!!


View PostBig Red One, on 30 November 2011 - 03:32 PM, said:

What carb do you have... if it's a BBD on top of a 258, I would rebuild it and do a NUTTER BYPASS, mine ran great until I put the 4.0 head on and I went with a Motor Craft 2100 (E-Bay) with a larger CFM due to the better flow from the 4.0 head... both worked well, even with the EXTREME angles one hits in Fla. :lol: You can also get a 2100 with a (1.08) @ 290 CFM that will work well on a stock 258. I ran a (1.21), @ 350 CFM, with the 4.0 head.


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