179 Rebuild

Engine discussion.

179 Rebuild

by Carpet56 » Tue Apr 09, 2019 3:14 pm

Hi people, i am in a bit of a quandry at the moment with my eh motor rebuild. My eh (which was a barn find)has original 179 motor and auto box and i want to keep it that way, only prob is i cannot seem to find 179 pistons 20 thou over anywhere in queensland to replace the standard pistons. I rang a shop in melbourne and they say they can get new 179 pistons made to measure from sth australia for around 800 dollars a set. I have been told by some engine shops that standard 186 pistons will work well. My question is this, is it better to get 20 thou over 179 pistons made and bore to size or bore to 186. Will boring to 186 take too much out of the cylinder wall and cause heating probs. Remember i am only restoring to standard so i am not building a flyer, those days are gone for me. I am sure that the 186 pistons should be a lot cheaper than 800 dollars. Any info will be appreciated.
Regards Glenn
 
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Re: 179 Rebuild

by doc1965 » Wed Apr 10, 2019 6:00 pm

Its a lot easier and cheaper for you to just take it to standard 186 piston, It wont affect the bores or motor at all, it was standard practice to bore a 179 to a 186. Had one in my Ej for 25 years and never had any problem
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Re: 179 Rebuild

by Carpet56 » Wed Apr 10, 2019 8:06 pm

Thanks doc. I thought that mat be the case but had never done it. I had done 186 to 192 on a couple of occasions. Found a engine parts shop today and can get the standard 186 pistons,rings etc for a a third of the price of the 179 special order from sth aus.
Glenn
 
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