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By oldcarmark - 7 Years Ago
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Does anyone know the Size of Frost Plug used to plug the Block when the Road Draft Tube is removed? I did One Years ago and someone on the Site knew the proper Size, Can't find that Info
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By darrell - 7 Years Ago
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1 1/4
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By paul2748 - 7 Years Ago
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Do the bolt holes go completely into the inside? On a side mounted road draft tube, a plate is usually used. You can make one up yourself using the gasket for sizing and a piece of aluminum
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By oldcarmark - 7 Years Ago
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The Bolt Holes go through to the Crankcase. I used a 1 1/4" Plug and added 2 Bolts with Washers that overlap the Plug so it can't come out.
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By paul2748 - 7 Years Ago
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If you are worried that it might come out, aren't you worried that it may go in?
oldcarmark (11/8/2018)
The Bolt Holes go through to the Crankcase. I used a 1 1/4" Plug and added 2 Bolts with Washers that overlap the Plug so it can't come out.
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By darrell - 7 Years Ago
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that plug is not going anywhere.
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By 56_Fairlane - 7 Years Ago
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There is a block off plate specially for this that is available as an OEM part. I have on on my engine.
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By oldcarmark - 7 Years Ago
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Got a part #? Found it. B5S-6869-A. Originally a T-Bird Part to block off opening in Block with rear Draft Tube on Birds.
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By 56_Fairlane - 7 Years Ago
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Here's an ebay listing for it: https://www.ebay.com/itm/NOS-FORD-THUNDERBIRD-B5S6869A-1955-1957-55-56-Y-BLOCK-CRANKCASE-BLOCK-OFF-PLATE-/311350594328
It's considerably more than a freeze plug but I would trust it more.
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By oldcarmark - 7 Years Ago
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Larry's sells a Repro for a lot less than the Originals. Ordered a Fuel Pump Block Off Plate from Amazon.Thanks
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By 56_Fairlane - 7 Years Ago
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Does the fuel pump block off plate have the same bolt spacing as the draft tube?
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By oldcarmark - 7 Years Ago
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Yes. 1 3/4" C to C Bolt Holes. Comes with Gasket and 2 Chrome Bolts. Don't know if Bolts are correct yet.
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By 56_Fairlane - 7 Years Ago
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You can always reuse your old allen head bolts. I didn't get a gasket with mine. Amazingly I was still able to reuse my original gasket from the draft tube.
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By KULTULZ - 7 Years Ago
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"Comes with Gasket and 2 Chrome Bolts"
Gotta have that BLING ...
Just a thought to whomever may come across this thread in the future, the road draft assy can be be made inoperative by placing a steel shim gasket behind it and along with a well hidden PCV Sytem, can be made to look bone stock.
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By oldcarmark - 7 Years Ago
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KULTULZ (11/10/2018)
"Comes with Gasket and 2 Chrome Bolts" Gotta have that BLING ... Just a thought to whomever may come across this thread in the future, the road draft assy can be be made inoperative by placing a steel shim gasket behind it and along with a well hidden PCV Sytem, can be made to look bone stock.
It just happens to come with Bolts. I will be Painting Engine so it doesn't matter to Me if I use them or not. If you want to use the Draft Tube inoperative You have to cut off the Drain Back Tube before U can block it.
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By 56_Fairlane - 7 Years Ago
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That's right OldcarMark. I wanted to mention that and you beat me to it. It's just easier to use a block off plate. I've also heard there's a block off plate used on a VW flat 4 that also works.
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By KULTULZ - 7 Years Ago
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"It just happens to come with Bolts. I will be Painting Engine so it doesn't matter to Me if I use them or not."
Sir, that comment was not directed at you personally. Sorry if I upset you.
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By oldcarmark - 7 Years Ago
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KULTULZ (11/10/2018)
"It just happens to come with Bolts. I will be Painting Engine so it doesn't matter to Me if I use them or not." Sir, that comment was not directed at you personally. Sorry if I upset you.
Not a Problem. I am thinking about your Suggestion to keep the Draft Tube for Appearance only. I have 2 so I can sacrifice One. Thanks
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By 56 Parklane - 6 Years Ago
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i used the freeze plug then trimmed off the drain tube and put the road draft tube back on looks stock
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By oldcarmark - 6 Years Ago
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56 Parklane (1/20/2019)
i used the freeze plug then trimmed off the drain tube and put the road draft tube back on looks stock
I did the same but I cut a Piece of Tin to cover the Opening held in place by the mounting Bolts for the Road Draft. I didn't find the Frost Plug very tight. Could fall inside Oil Pan as the Block heats up.
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