Cracked Cylinder Silver Century Plus
Moderators: John@sos, charlesp, Charles uk, RickUK, Petergalileo
Re: Cracked Cylinder Silver Century Plus
I have a half day tomorrow.
I should be testing the engine in 20ish hours.
I Googled what to use to dress a copper head gasket and, it seems, times have changed.
Black RTV is what I will be applying.
I should be testing the engine in 20ish hours.
I Googled what to use to dress a copper head gasket and, it seems, times have changed.
Black RTV is what I will be applying.
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Re: Cracked Cylinder Silver Century Plus
a little black heat proof enamel paint on that block and you'd "almost" never know it had been repaired.
i'm impressed.
jon
i'm impressed.
jon
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Re: Cracked Cylinder Silver Century Plus
" A blind man would be glad to see it".Gashog wrote:See! You can barely tell!![]()
Place your bets!
Wow that has increased the scrap value.

Hope it works for you, If it leaks grind it off and use epoxy.
H-A
Re: Cracked Cylinder Silver Century Plus
I have some POR-15 left over from I can't remember what (it was only a couple weeks ago too
)
I am going to see how it holds up to Seagull operating temps. I wouldn't think the cylinder block runs more then 130°-140°F.
Sorry...keep forgetting my audience! That's 52°-53°C
I've been impressed with POR-15 so far. It sticks like epoxy and seals rust for a very long time. I have a car with rusty quarter panel that I'm monitoring going on 12 years after application. Still no rust!
Turns out, my half a day has turned into "running kids around to give my wife a break" day!
I was able to "plane" the head early this morning. I used a piece of 80 grit taped to a piece of plate glass.
Very glad I did that....no way it would have sealed otherwise.
More later.

I am going to see how it holds up to Seagull operating temps. I wouldn't think the cylinder block runs more then 130°-140°F.
Sorry...keep forgetting my audience! That's 52°-53°C

I've been impressed with POR-15 so far. It sticks like epoxy and seals rust for a very long time. I have a car with rusty quarter panel that I'm monitoring going on 12 years after application. Still no rust!
Turns out, my half a day has turned into "running kids around to give my wife a break" day!
I was able to "plane" the head early this morning. I used a piece of 80 grit taped to a piece of plate glass.
Very glad I did that....no way it would have sealed otherwise.
More later.
Re: Cracked Cylinder Silver Century Plus
HAHAHAHA!!Horsley-Anarak wrote:
" A blind man would be glad to see it".
Wow that has increased the scrap value.![]()
Hope it works for you, If it leaks grind it off and use epoxy.
H-A


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- Location: Surrey
Re: Cracked Cylinder Silver Century Plus
I am sure it will be fine, my race century had a crack that I epoxied, it has lasted for years.
You can anneal the head gasket to reuse it, heat to cherry red then let cool or quench.
A small amount of RTV and you will be good to go.
H-A
You can anneal the head gasket to reuse it, heat to cherry red then let cool or quench.
A small amount of RTV and you will be good to go.
H-A
Re: Cracked Cylinder Silver Century Plus
I was about to take my aforementioned rosebud to the head gasket. Then I realized the time!Horsley-Anarak wrote:I am sure it will be fine, my race century had a crack that I epoxied, it has lasted for years.
You can anneal the head gasket to reuse it, heat to cherry red then let cool or quench.
A small amount of RTV and you will be good to go.
H-A
I missed the hardware store by 8 minutes so I'll have to wait 'till tomorrow to purchase 4 5/16X24X1" studs, nuts and washers.
Edit: Also, The Yank method for annealing copper is to soot with acetylene and then heat with a carborizing flame until all soot has been burned off.
I'm not certain I trust myself cherrying a multi layer copper head gasket made of .015" sheets.
- Charles uk
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- Location: Maidenhead Berks UK
Re: Cracked Cylinder Silver Century Plus
You better try 4 5/16 BSF studs, 22 tpi, 55 degrees.
Make it idiot proof and someone will make a better idiot.
Re: Cracked Cylinder Silver Century Plus
Too late!Charles uk wrote:You better try 4 5/16 BSF studs, 22 tpi, 55 degrees.
Already drilled and tapped.

Yankified!

- Stelios_Rjk
- Posts: 1458
- Joined: Sun Jun 17, 2012 10:15 pm
- Location: Athens - Greece
Re: Cracked Cylinder Silver Century Plus
Yankified











Re: Cracked Cylinder Silver Century Plus
If you decide on another Seagull at some point, this place in upstate N.Y. has a seagull tool set as well as a tap and set.
Nice folks to deal with.
www.britishfasteners.com
Nice folks to deal with.
www.britishfasteners.com
Re: Cracked Cylinder Silver Century Plus
Oh no! This is Amurika! Yall git 16 or 24 threads!
You don't laaaak it....you can geeeet out!
You don't laaaak it....you can geeeet out!

Re: Cracked Cylinder Silver Century Plus
As you could see if you checked my location, I'm not in, happily!
Can't even afford travel insurance now to visit, now that I'm in poor health. Better hide that furin motor when your buddies come over. Put out the Johnsons and Mercs.


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Re: Cracked Cylinder Silver Century Plus
nuttin wrong wit "yankifyin" ya mota.
if it works for you whatever.
as long as it smokes and makes noise, thats all that matters. right
jon
if it works for you whatever.
as long as it smokes and makes noise, thats all that matters. right
jon