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  #1  
Old 03-21-2005
UncleBuck UncleBuck is offline
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Question Holly 2210 carburetor

I am attempting to rebuild a holly 2210 carb from a 78 Scout II 345. I have installed the rebuild kit, after boiling the carb in cleaner for 24 hours, washing it thouroughly, and blowing out the various ports with high pressure air two different times. Both of the main jets are the same size and clean. It is slobbering excessive fuel into the manifold, flooding itself at idle. I thought it was supposed to spray a very fine mist into the venturi, but this one has quite large drops. Does anyone have suggestions? Thanks Uncle Buck
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  #2  
Old 03-21-2005
Eagle-Mark's Avatar
Eagle-Mark Eagle-Mark is offline
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Re: Holly 2210 carburetor

The Holley 2210 is known for having a blown out power valve. The power valve is not supplied with any kit I know of. If you can get one, after installed you will notice the power valve rod going through the body had wear and wiggles from side to side, usually ending up with the power valve stuck open, leaving you very rich.

Another thing to check is fuel pressure not to high and float adjustment.

My opinion of the 2210 after working on many is not good. Have yet to here of anyone liking them.

If you must stay with a carburetor there are some articles written here on alternative such as Holley 2300, Motorcraft and Weber.
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  #3  
Old 03-21-2005
jeff campbell jeff campbell is offline
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Re: Holly 2210 carburetor

backfiring also blow's them out,evertime!jeff : idunno :
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  #4  
Old 03-21-2005
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CSmith CSmith is offline
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Re: Holly 2210 carburetor

Whenever somebody posts something here about problems with Holley 2210 I always say the same thing, pitch it and use a Motorcraft. Holley 2300 isn't a bad carb either. The 2210 is tempermental and unreliable. Or if you have the cash to spare, go fuel injection.
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  #5  
Old 03-21-2005
UncleBuck UncleBuck is offline
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Re: Holly 2210 carburetor

Are the motorcraft and weber carbs direct replacements? What models should I look for?? Thanks
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  #6  
Old 03-21-2005
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Re: Holly 2210 carburetor

Motorcrafts bolt on but there are some things to look for:

Accelerator Pumps: There are long and short versions. The long ones hit
the water outlet so try to find a short one. Otherwise you have to grind on
the water outlet.


Power Valves: There are short and deep versions. The deep ones hit the
intake manifold without a carb spacer. Some Scout IIs have hood clearance
issues with a spacer. Try to find a shallow one. (earlier models)

Air cleaner: Your stock air cleaner wont work. Use one from a 4 barrel IH or
get one from a Ford, it has a notch that fits around the water outlet. Here
is a picture of a Ford air cleaner.

Choke: Most Motorcrafts use a hot air/electric choke. To use it you need
to run a tube to a heat riser, etc. to get heat to the choke, or use a
manual choke. That's what I use.

Some vacuum hoses need to be rerouted. I have made this sound more difficult than it really is. I have just given you things to look for if you go to a wrecking yard. These carburetors are as simple as they get to rebuild. Also besides Fords, Jeep Wagoneers used them too. This is a very worthwhile upgrade. I have never heard of anybody regret doing it. : peace :
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  #7  
Old 03-21-2005
scout800arist scout800arist is offline
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Re: Holly 2210 carburetor

Quote:
Originally Posted by CSmith
I have made this sound more difficult than it really is.
Seriously sounds tough........How much do these bad boys usually cost from a wrecking yard? : idunno :

If it makes it run like yours does...It may be worth it!

Josh
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  #8  
Old 03-21-2005
CSmith's Avatar
CSmith CSmith is offline
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Re: Holly 2210 carburetor

Quote:
Originally Posted by scout800arist
Seriously sounds tough........How much do these bad boys usually cost from a wrecking yard? : idunno :

If it makes it run like yours does...It may be worth it!

Josh
$12 at the junkyard + $20 for a rebuild kit. I just might have an extra though.
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  #9  
Old 03-21-2005
scout800arist scout800arist is offline
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Re: Holly 2210 carburetor

Quote:
Originally Posted by CSmith
I just might have an extra though.
How much you want for the extry?

Josh : beer :
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  #10  
Old 03-21-2005
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Re: Holly 2210 carburetor

Let me check out the condition and I'll let you know.
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  #11  
Old 03-21-2005
scout800arist scout800arist is offline
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Re: Holly 2210 carburetor

Sounds good to me! Shout me a hollar!
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  #12  
Old 03-22-2005
UncleBuck UncleBuck is offline
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Smile Re: Holly 2210 carburetor

Thanks for all the help and advice. I think I will opt for a remanufactured 2300. Thanks again, Uncle Buck.
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  #13  
Old 03-25-2005
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JerryD JerryD is offline
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Re: Holly 2210 carburetor

Be careful of the reman 2300's. The threads I've seen on the BB seem to tell a sad tale of getting the Champion reman carbs and having all sorts of problems with getting the right application, poor cores, etc. If I were you I'd go with the 0-7448 universal replacement carb. It's a 2300 series 350cfm unit but is NEW and has a center hung float. I bought one for a CJ I had with a 258 & it was fantastic...
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  #14  
Old 03-27-2005
Doug Shailor
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Re: Holly 2210 carburetor

Quote:
Originally Posted by UncleBuck
I am attempting to rebuild a holly 2210 carb from a 78 Scout II 345. I have installed the rebuild kit, after boiling the carb in cleaner for 24 hours, washing it thouroughly, and blowing out the various ports with high pressure air two different times. Both of the main jets are the same size and clean. It is slobbering excessive fuel into the manifold, flooding itself at idle. I thought it was supposed to spray a very fine mist into the venturi, but this one has quite large drops. Does anyone have suggestions? Thanks Uncle Buck
Quote:
Originally Posted by Eagle-Mark
The Holley 2210 is known for having a blown out power valve. The power valve is not supplied with any kit I know of.

Have yet to here of anyone liking them.

Quote:
Originally Posted by Jeff Campbell
backfiring also blow's them out,evertime!jeff
Mark & Jeff, sorry guys but that is just plain blarney!

The power valve in a 2210 (and a 2245) is all metal and cannot blow. What you are saying is true of a 2300 but not a 2210.

I have rebuilt 5 of these carbs in the last 15 months and each one runs great. Just ask folks like Adam Booker, Mike price and Wayne Thomas. And me! I just rebuilt one 2 weeks ago and used it on a 3000 mile round trip (VA to TX and back) and it ran great.

I think they are a very good carb when properly rebuilt. Especially when you already own it.

What can happen to the 2210 power valve system is the plug at the top of the power valve piston chamber (on the top of the air horn) can leak air or the PVP chamber can become worn and not hold a vacuum. In both cases this allows the piston to drop and partially activate the power valve most of the time (even in high manifold vacuum) making the carb run rich. And there fixes for both problems.

I have written a number of posts on the Binder Bulletin about how I go about rebuilding these carbs. And John Tabor came up with the fix on the PVP worn chamber and he posted on the old BB.

Uncle buck,

I would like to ask some questions.

What is the list number of your carb? If you don't know then check this web site for where it is stamped: http://www.carburetorfactory.com/illus3.html

Which rebuilt kit did you use?

I prefer the Holley 3-887 kit. Many other kits (I have also used PG Sorensen and NAPA when the owner of the carb bought the kit) have all the correct parts including a new 2210 power valve but do not have all the adjustment specs necessary to make this carb hum again. The Holley kit does have all these specs and diagrams to show how to make these checks and adjustments.

Did you install a new float? The nitrophyl floats become gas logged after years of use and can't effectively shut off the fuel flow. I always install a new brass float in all my 2210 rebuilds.

Did you perform all the adjustments to the exact specs? This is so important! And getting close doesn't cut it. Carbs are precision devices and if the specs says the drop on the accelerator pump shaft should be 17/64" then it needs to be 17/64" and not something close.

And some of the specs in other brands differ from the Holley kit. For example, some kits have said the accelerator pump link should be in slot #2 of the pump lever where the Holley kit might say #1 for a given list number. I always go by the Holley specs even if I am using another brand kit. After all, Holley built these carbs in the first place.

I always epoxy over the PVP chamber plug at the top of the air horn.

And I use the proper size drill bits as gauges to perform all the adjustments to the exact Holley spec.

There are tiny passages between the PV well and the jet wells that need to be check. And there are 12 tiny holes in each of the ~1/8" diameter tubes pressed into the bottom of the air horn that need to be checked. I use a very fine wire to be sure all these holes are clear.

And I test the choke pulloff with a vacuum pump and if it is not up to spec (per the IH service manual) then I replace it with a new one.

And I adjust the divorced choke after I install the carb per the IH service manual.

And then I adjust the idle mixture screws using a vacuum gauge per this web site: http://www.centuryperformance.com/vacuum.asp

If you guys are going to pitch these 2210's then pitch them my way.

Last edited by Doug Shailor; 03-27-2005 at 05:31 PM.
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  #15  
Old 03-27-2005
CSmith's Avatar
CSmith CSmith is offline
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Re: Holly 2210 carburetor

Quote:
Originally Posted by Doug Shailor

...If you guys are going to pitch these 2210's then pitch them my way.
I have a couple collecting dust, come and get 'em!
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  #16  
Old 03-27-2005
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WRENCH MAN WRENCH MAN is offline
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Re: Holly 2210 carburetor

There are two kinds of holley carbs, those that work and those that don't!
Find a spreadbore intake and slap a Qjet on there!
Your driveability, fuel economy, and all around performance will increase!
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  #17  
Old 04-02-2005
Scoutman88's Avatar
Scoutman88 Scoutman88 is offline
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Re: Holly 2210 carburetor

Who Can rebuild a Carb for me ? 2210? Mine is doing the same as described above? And I know absolutely "ZERO" about Carbs! Chuck Graley Julian WV
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  #18  
Old 04-02-2005
CSmith's Avatar
CSmith CSmith is offline
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Re: Holly 2210 carburetor

Quote:
Originally Posted by UncleBuck
I am attempting to rebuild a holly 2210 carb from a 78 Scout II 345. I have installed the rebuild kit, after boiling the carb in cleaner for 24 hours, washing it thouroughly, and blowing out the various ports with high pressure air two different times. Both of the main jets are the same size and clean. It is slobbering excessive fuel into the manifold, flooding itself at idle. I thought it was supposed to spray a very fine mist into the venturi, but this one has quite large drops. Does anyone have suggestions? Thanks Uncle Buck
After re-reading this I think the float might be too high.
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  #19  
Old 04-02-2005
Eagle-Mark's Avatar
Eagle-Mark Eagle-Mark is offline
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Re: Holly 2210 carburetor

Quote:
Originally Posted by CSmith
After re-reading this I think the float might be too high.
After re-reading this I think Dougs high!


















: hide :























Just kidding! : urock :
__________________
1994 Buick RoadMaSSter Estate Wagon LT1/4L60E. White and Woodgrain Sleeper...PCM 16188051 With SS/V4P/Custom Tune! WOT 12.9 AFR!

1990 Chevy Suburban Silverado 5.7L 2wd ECM 1227747 HiWay Lean Cruise 18.5 MPG and 12.5 to 1 AFR at WOT!

1972 IH 1210 Isky Cammed Balenced 345 4 speed PCM 16197427 Project!

GearHead-EFI.com EFI Conversions and Chip Tuners!
May be all you need to know about EFI!

and I still help local JustIH members (for fun) free!
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  #20  
Old 04-02-2005
scout800arist scout800arist is offline
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Re: Holly 2210 carburetor

Quote:
Originally Posted by Eagle-Mark
After re-reading this I think Dougs high!
: hide :
Just kidding! : urock :
: histeric : histeric : histeric : histeric : histeric : histeric : histeric
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