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Tecumseh Hh120 Block Chipped? Pic


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#1 avery53 OFFLINE  

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Posted September 19, 2014 - 08:42 PM

My old Bolens is starting to use oil, so I tore it down for a rebuild. It has run perfectly for 45 yrs, still runs good but is smoking more all the time.

 

My problem is where a head bolt goes in the block, it has a piece chipped out. Looks to have been that way for a long time.  It is not leaking, the head gasket looks good.

 

I am thinking about building up the area with JB weld to add support.

 

What do you think? BTW, glad I found this forum, it looks great!

 

Thanks

avery

 

IMG_3360_rs_zps5b2b2a01.jpg


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#2 Gtractor ONLINE  

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Posted September 19, 2014 - 08:57 PM

Welcome to GTTalk!

 

J B Weld won't take the heat generated by a running engine.  It will melt right back into a liquid form.  There is a product that is very similar but designed for high heat applications.  I forget the name but someone will know.  Good Luck!


Edited by Gtractor, September 19, 2014 - 08:58 PM.

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#3 avery53 OFFLINE  

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Posted September 19, 2014 - 10:38 PM

Would this be the stuff, or is there something better?  http://www.amazon.co...e/dp/B007PP26RI

 

Thanks


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#4 Gtractor ONLINE  

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Posted September 19, 2014 - 11:03 PM

That ought to do it.  I didn't know J B had a high heat version.  The stuff I was thinking about was a different brand.  I never used it so can't give testimony on how it did/does.

I guess you'd have to grease up a bolt [sparingly] and screw it in the hole then apply the high heat all around?  Once cured, remove the bolt and block sand the gasket mating surface. 

A new overhaul will give you more compression and you are more likely to have trouble there even though it has not given trouble before. 

If you have a good machine shop in your area and since you are doing a full rebuild anyhow it would be worth checking to see if they could nickle rod weld the area and machine it true.  That would cost more but it'd be good as new once complete. 

Best of Luck!


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#5 avery53 OFFLINE  

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Posted September 20, 2014 - 11:39 AM

  Has anyone else ever used the JB High Temp?

 

 I found some stuff called Pyro Putty that looks good, but at $110.00 for a pint is pretty pricy.

 

 Any feedback would be appreciated

 

 Thanks avery






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