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post #1 of (permalink) Old 03-23-2000, 08:20 PM Thread Starter
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Edelbrock or Holley?

I was wondering which of the two would be best for my 258. The Edelbrock or the Holley. Holley makes some that I might be able to use(300cfm, 355cfm, or 500cfm). I was figuring on the 355cfm. Is that one good to go with? Edelbrock doesn't make a 2 barrel or at least something that would go on my 258, according to the guy at advance auto parts. Is there one out there for the 258? I need some ideas on this one guys. My father is actually going to guide me through this one(he helped me redo the heads on the old Hyundai and Bonneville). I think I did a kick ass job on those since that is one of the few things that I can do without needing to have my vehicle towed away. Anyway, I will be replacing the Crapper BBD on or around May 1st so some help would be appreciated, especially from those who have one of these carbs on that engine.

88 YJ, 258, and teeny little 30's

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post #2 of (permalink) Old 03-23-2000, 08:44 PM
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Re: Edelbrock or Holley?

I prefer Holley, but that is personal choice.

The facts are...
Edelbrock does not make a common Two Barrel carb.
To use a Four barrel carb you will have to change the intake manifold, or use one of those adaptors.
Adaptors are a REALLY BAD idea all the way around.

Holley makes a carb you can tune for just about anything you want to do with it.
Don't go any bigger than the 350 or 355 CFM Holley, or you will loose drivability.
Holley will take some tuning. A little or a lot, depending on what you want to do with it...

Have you considered a Motorcraft, Rochester, or Webber Two Barrel?

Just opening up all possibilities....

Opinions guys?

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post #3 of (permalink) Old 03-23-2000, 08:58 PM
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Re: Edelbrock or Holley?

I can get 258s running good with webers, I never tried other carbs so I don't know the difference. What I do know is that webers are new ,and they don't have worn out throttle shaft bushings like most old or rebuilt carbs have.

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post #4 of (permalink) Old 03-23-2000, 09:11 PM Thread Starter
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Re: Edelbrock or Holley?

I use this Jeep as a semi-daily driver and would like it to run well for that application. I haven't done enough to it to get it ready for off the road use(still no STABLE 4wd since the vacuum is still shady). I will be getting this new since the Crapper I purchased still has a "one time full replacement warranty", so I can upgrade for about 20 bucks when I turn the Carbon Collector(Crapper) back into Advance Auto.

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