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How to check an unknown engine for condition

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howey

Post subject: Re: How to check an unknown engine for condition

Posted: Thu Jul 24, 2014 10:38 pm

848cc

Joined: Wed Jun 20, 2007 7:16 pm
Posts: 51
Location: Melbourne

Don't think anyone mentioned a leak down test. If you have access to compressed air, it's a good test. I made a tester for about $20 last year, not hard to do.

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73Clubby

Post subject: Re: How to check an unknown engine for condition

Posted: Fri Jul 25, 2014 1:36 pm

848cc

Joined: Sun Jul 06, 2014 3:00 pm
Posts: 38
Location: Dunedin, New Zealand/Glasgow, Scotland

howey wrote:

Don't think anyone mentioned a leak down test. If you have access to compressed air, it's a good test. I made a tester for about $20 last year, not hard to do.

Yep, easy as, a standard 1/2" male airline fitting, a length of mild steel pipe, and a spark plug. Gut the spark plug, braze about 150mm of pipe the same diameter as the inside of the spark plug on, and braze on the airline fitting. Done. Takes all of half an hour.

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I've got 99 problems, and my Mini is all of them.

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drmini in aust

Post subject: Re: How to check an unknown engine for condition

Posted: Fri Jul 25, 2014 3:22 pm

religious status

Joined: Fri Mar 19, 2004 6:19 pm
Posts: 39750
Location: near Baulkham Hills, NSW

I bought a leakdown tester off eBay. Chinese rubbish- save your money and do what 73Clubby said.

http://www.ebay.com.au/itm/like/1710956 ... e&lpid=107

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R. :mrgreen:

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