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Fellenz 
Silver Level
Joined: 22 Mar 2010
Location: Phelps, NY
Points: 148
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 Topic: Where is gasket cement required?
Posted: 26 Dec 2010 at 6:06pm |
Hello,
I am nearing completion on the engine rebuild in our first Allis Chalmers 160. I'm getting ready to replace the gaskets around the oil pan, timing cover, rear oil seal, etc... Should I be using gasket cement on any of these gaskets, it sure seems like I was scraping enough cement off some of these surfaces during disassembly but the I&T book makes no mention either way so I figured it was a question worth asking. Anyone? Thanks! Erik
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powertech84
Silver Level
Joined: 17 Oct 2009
Location: Wisconsin
Points: 474
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Posted: 26 Dec 2010 at 6:13pm |
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Are you refering to something like "high tack" or aviation gasket sealer? I use that stuff alot just because i can't afford to do things twice. I don't know too many places that it will hurt as long as you dont use too much. All you need is enough to make the piece tacky.
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wi50
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Joined: 24 Sep 2010
Location: weegieland
Points: 1010
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Posted: 26 Dec 2010 at 6:57pm |
I typically use a purple anerobic gasket sealer (if I could just rember the name, $20 a tube from Loctite) in areas where there is a seam, like on an oil pan gasket where the timing cover or rear plate meet the block. Otherwise I seldom use any sealent.
I commonly use a thin layer of grease on both sides of some gaskets to stick them in place and it makes it easy to take off for the next fella. After scraping and sanding away at some tough old gaskets and you'll appreciate the ones that peal off easy.
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"see what happens when you have no practical experience doing something...... you end up playing with calculators and looking stupid on the internet"
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John WV
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Joined: 30 Oct 2010
Location: bunker hill wv
Points: 273
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Posted: 26 Dec 2010 at 7:51pm |
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I use high tack on one side of the gaskets to hald it in place.
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norm[ind]
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Joined: 29 Oct 2010
Location: bourbon,ind
Points: 2992
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Posted: 26 Dec 2010 at 8:19pm |
our dealer ship used alumium paint in the 50's -60's used them over just more paint will always come apart too we still do it today know you fellas do not beleive me huh
this is older most of you
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Chris(WA)
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Joined: 11 Sep 2009
Location: Renton, WA
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Posted: 26 Dec 2010 at 8:37pm |
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I will vouch for the High Tack as well! Great stuff for holding and sealing gaskets. For wide seams and gaps a dab of RTV fills the bill.
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Washingtonian by choice, Wisconsin Farmboy by the grace of God!
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Coke-in-MN
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Joined: 12 Sep 2009
Location: Afton MN
Points: 42104
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Posted: 26 Dec 2010 at 8:51pm |
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trick to RTV is spreading in a rel thin film, not thick bead, then letting it glaze or set for 10 minutes or so to film, then install , if it oozes out then you have it to thick and will find it migrating inside where you don't want it .
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Life lesson: If you’re being chased by a lion, you’re on a horse, to the left of you is a giraffe and on the right is a unicorn, what do you do? You stop drinking and get off the carousel.
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DMiller
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Joined: 14 Sep 2009
Location: Hermann, Mo
Points: 34917
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Posted: 27 Dec 2010 at 4:16am |
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Another vote for high tack for basic gaskets as pans, timing covers with rtv in the junction corners; for all tin gaskets as head gaskets on the old flat heads a good coating of Copper Coat sealant to keep the liquids in the engines.
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Dave H
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Joined: 11 Sep 2009
Location: Central IL
Points: 3595
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Posted: 27 Dec 2010 at 8:21am |
Eric
I am in the process of finally putting my D 15 back together. What d you think of the IT manual you are using.
I think my Gensales bok is kinda lacking for putting the puzzle back together after too many years.
If you think the book is great/good where did you get it?
thanx
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Bob-Maine
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Joined: 11 Sep 2009
Location: Central Maine
Points: 922
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Posted: 27 Dec 2010 at 9:14am |
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Norm has a few years on me, but I remember my first car. I couldn't keep a head gasket in it. I tried everything, including having the head milled. Someone who was familiar with the engine told me to spray both sides of the head gasket with aluminum paint with two coats, drying between coats. My seventh head gasket lasted until I sold the car for $35.00 (it had not blown). But this was the head gasket only. Bob@allisdowneast
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