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Unread 07-28-2005, 10:31 PM   #1
green cj 78
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1978 CJ7 
 
Join Date: Apr 2005
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Opinions on the Holley Carb for 258

I posted in the CJ forum, but didnt get the info I needed. I have a 78 CJ7 All stock. I hate the Carter 1bbl. I am looking at getting a Holley 2bbl. They also offer a 1bbl. what do you think would be a better choice. these are both around the $150 range. and thats what I hear the MC2100 is going for. So I just need some opinions on this Carb, thanx.

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5.3 Vortec, T18, Dana 20, AMC 20, Dana 30
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Unread 07-29-2005, 06:37 AM   #2
gumby
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carb

I had the holly 600 cfm on my slightly moded 258. ran rich could never get it right changed jets and it still ran rich finally sold it in stalled a weber spent the extra $150 worth every cent
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1984 CJ-7 offroad special loves to get dirty and play rough. unlike the girls I meet
258 rebuilt with torquer cam/ weber 32/36 carb, HEI ignition ,headers 4 in lift AMC 20 detroit rear locked and trussed / tru trax front 4:56 Gears ,solid axles on 35's

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Unread 07-29-2005, 07:51 PM   #3
green cj 78
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Thanks, I talked to a buddy of mine, and said that Holley is really hard to tune. you just confirmed it for me.
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97 XJ 2wd POS.
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Unread 07-31-2005, 10:15 PM   #4
bcar240
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The MC2100 comes in a few different sizes. If you didn't know the size is shown on a stamp behind the throttle linkage which stands for the venturi size of the carb. The 1.08 stamp is what you want for a 304 or 258. I just ordered one for my 258 (I told the parts co I wanted the one for the 304) and got the wrong "size," they sent me the 1.21 MC2100 (which I returned.) If you get one, just make sure your getting the 1.08.
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