| Choke stove [message #311420] |
Sat, 10 December 2016 12:35  |
Atom Ant
Messages: 170
Registered: October 2016
Location: Austin, TX
Karma: 0
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I went to check out the condition of the shoke stove this morning, and behold...
I don't have one.
I DO, however, have an elevtric choke. Good, right?
http://i66.photobucket.com/albums/h252/adammetzger/choke%203.jpg
Maybe?
because this doesn't look OE.
http://i66.photobucket.com/albums/h252/adammetzger/choke%202.jpg
I'm thinking this needs maybe, kinda to be blocked.
Do I need to attend to this immediately, do I need to buy a specific block off plate for 25.00, and yes, I need to get the various varmint leavings out of there soon.
I'm assuming these bolts are gonna be a bear to remove.
just a hunch.
1976 Palm Beach
Austin, TX
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| Re: Choke stove [message #311421 is a reply to message #311420] |
Sat, 10 December 2016 12:52  |
bwevers
Messages: 597
Registered: October 2010
Location: San Jose
Karma: 5
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Looks like an electric choke
Bill Wevers GMC49ers, GMC Western States
1975 Glenbrook - Manny Powerdrive, OneTon
455 F Block, G heads
San Jose
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| Re: Choke stove [message #311423 is a reply to message #311420] |
Sat, 10 December 2016 13:16 |
Bullitthead
Messages: 1411
Registered: November 2013
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The bolts will probably not be that hard to remove, mine weren't. Might require a vice grip due to rust changing the size of the bolt head, but try a metric wrench first. 14 and 12mm are both a little smaller than 9/16 and 1/2, respectively. Run the engine a few minutes to warm the area, and then hit it with WD-40 or ATF and let it cool and draw it into the crevices while you find the right size wrench. Vacuum the mouse leftovers out before you spray any penetrant or they will be a mess.
The pipe that makes the stove rusted out on mine and was blowing exhaust out, so I fabbed a plate and gasket and sealed it off since I also have an electric choke.
Terry Kelpien
ASE Master Technician
73 Glacier 260
Smithfield, Va.
[Updated on: Sat, 10 December 2016 13:17] Report message to a moderator |
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| Re: Choke stove [message #311424 is a reply to message #311420] |
Sat, 10 December 2016 13:23 |
captjack
Messages: 271
Registered: February 2010
Location: Sebastopol, California
Karma: 1
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Well, it looks pretty knarly there, so I'd be thinking about a block off plate. Removing the bolts may be a challenge. Those two openings are connected through a tube, so they might not be leaking, but you could thread them and insert a screw in each with thread sealant.
Jack Christensen - K6ROW,
'76 Glenbrook/Clasco - "The Silver Bullet",
Sebastopol, CA
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| Re: Choke stove [message #311426 is a reply to message #311420] |
Sat, 10 December 2016 13:34 |
Atom Ant
Messages: 170
Registered: October 2016
Location: Austin, TX
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with the condition of the wiring loom in the area that was completely melted, I'm sure it's leaking. perhaps this will be my first project "fashioning" a piece for my engine. Even something as simple as a block off plate would be pretty cool.
1976 Palm Beach
Austin, TX
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| Re: Choke stove [message #311435 is a reply to message #311420] |
Sat, 10 December 2016 16:58 |
Atom Ant
Messages: 170
Registered: October 2016
Location: Austin, TX
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correct, it's a Holley.
I found on the photosite a tutorial for electric choke. I think I have the same port that needs to be blocked, looking for confirmation.
I found John Heslinga in the members list. I'll PM
1976 Palm Beach
Austin, TX
[Updated on: Sat, 10 December 2016 17:53] Report message to a moderator |
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| Re: Choke stove [message #311438 is a reply to message #311435] |
Sat, 10 December 2016 19:25 |
Bullitthead
Messages: 1411
Registered: November 2013
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Not a Holley guru, but I think that vacuum port is to activate that diaphragm that either inhibits or allows the secondary venturi of the carb to open. Put a hand vacuum pump on there and watch what happens.
Terry Kelpien
ASE Master Technician
73 Glacier 260
Smithfield, Va.
[Updated on: Sat, 10 December 2016 23:35] Report message to a moderator |
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| Re: Choke stove [message #311444 is a reply to message #311420] |
Sat, 10 December 2016 21:12 |
Ken Burton
Messages: 10030
Registered: January 2004
Location: Hebron, Indiana
Karma: 10
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You best bet for a permanent repair is to remove the stove pipe and replace it with a block off plate and new gasket.
Jim K. (Applied GMC) and others have both the plate and gasket. Replace the bolts also. I used stainless bolts with anti-sieze in case I ever need to remove the plate again.
If the bolts will not remove easily, use Kroil and soak them daily for 4 or 5 days. They will come out. Heating the manifold between soakings by running the engine will help but you probably can get them loose without it.
Mine came loose without having to soak them more than once.
Ken Burton - N9KB
76 Palm Beach
Hebron, Indiana
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| Re: Choke stove [message #311448 is a reply to message #311438] |
Sun, 11 December 2016 07:45 |
Chris Tyler
Messages: 458
Registered: September 2013
Location: Odessa FL
Karma: 7
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Bullitthead wrote on Sat, 10 December 2016 19:25Not a Holley guru, but I think that vacuum port is to activate that diaphragm that either inhibits or allows the secondary venturi of the carb to open. Put a hand vacuum pump on there and watch what happens.
Im pretty sure the holly vac secondary wprks off internal vacuum.I also think that fitting is for a vac pull off for the choke, but not all have them. Look for another fitting at the air horn near it.
IMO you would be better off with a properly tuned Q-jet on our application.
76 Glenbrook
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| Re: Choke stove [message #311450 is a reply to message #311420] |
Sun, 11 December 2016 11:16 |
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John Heslinga
Messages: 632
Registered: February 2011
Location: Edmonton, Alberta, Canada
Karma: 4
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Adam
PM Reply sent.
The Port you are pointing to on your Holley Carb photo may need no changes (I do not know what that port is for because I don't know what model it is) Put your finger on it and if there is a vacuum pressent then something needs to be attached or it should be plugged. Your electric Choke Holley needs no changing as far as the choke goes.
John and Cathie Heslinga
1974 Canyonlands 260
455, Manny tranny and 1 ton, 3:70 LS,
Red Seal Journeyman, DTE, BEd. MEd.
Edmonton, Alberta
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| Re: Choke stove [message #311464 is a reply to message #311420] |
Mon, 12 December 2016 12:16 |
Atom Ant
Messages: 170
Registered: October 2016
Location: Austin, TX
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thanks John! Those are great pics. I'll get the part number for my carb and investigate further.
1976 Palm Beach
Austin, TX
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| Re: Choke stove [message #311471 is a reply to message #311464] |
Mon, 12 December 2016 17:07 |
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Loffen
Messages: 1087
Registered: August 2013
Location: Norway
Karma: 1
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The holley carb is not so good, ok it is working but a original rochester would be better..
And if your choke tube that goes in to the intake is not leaking now just leave it as it is, is can be a pain to seal it again, even with a new block off plate
1973 23' # 1848 Sky Blue Glacier called Baby Blue and a 1973 26'-3 # 1460 Parrot green Seqouia Known as the Big Green,
And sold my 1973 26'-2 # 581 White Canyon lands under the name Dobbelt trøbbel
in Norway
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