Compression test

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Patrick98
Posts: 52
Joined: Thu Aug 02, 2018 7:44 pm
Location: Bt344st

Compression test

Post by Patrick98 » Sat Mar 23, 2019 2:50 pm

Hello I have a topic up already about compression testing but im having trouble finding an adapter to fit into the injector holes.. I cant find anything online.. all that comes up is glow plugs adapters.. I had a kit that a mate give me to try and nothing fitted. I have reconditioned injectors ready to be pit into the engine after I test her.. I was told that I could strip on off the old injectors of it's internals and compression test that way but was just wondering would that work?? Any advice??

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ollek
Posts: 3820
Joined: Tue Apr 10, 2012 1:20 pm
Location: South West Finland

Re: Compression test

Post by ollek » Sat Mar 23, 2019 3:10 pm

A modified injector body can be used as an adaptor for the compression gauge.

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bedwards1966
Posts: 865
Joined: Sun Mar 07, 2010 10:36 pm
Location: North Yorkshire

Re: Compression test

Post by bedwards1966 » Sat Apr 06, 2019 8:09 am

Yes, injectors can be adapted for this purpose - though if your injectors have been reconditioned I'd not be messing around with them!

It sounds like you need a better compression test kit. The cheaper (and much more common ones) are for attaching into the glow plug holes which most engines have, but some engines don't have these (like David Browns) and so you have to clamp in a 'dummy' injector for testing compression. These kits are a lot more money which is why people sometimes strip out an old injector to do the job.

TEZB
Posts: 282
Joined: Thu Jul 06, 2006 7:37 pm

Re: Compression test

Post by TEZB » Sat Apr 06, 2019 7:14 pm

although this will probably not help but I tested the compression on my 1200 a couple of week's back with a set I bought from a tool stall at a show, just a universal kit and in the kit had an adapter that was a direct fit, I paid £30 for the kit (new). I have seen the same kit on ebay for about the same price.

mikeadams1985
Posts: 55
Joined: Thu Mar 01, 2018 7:59 pm
Location: Liverpool

Re: Compression test

Post by mikeadams1985 » Wed Apr 10, 2019 8:56 pm

TEZB wrote:
Sat Apr 06, 2019 7:14 pm
although this will probably not help but I tested the compression on my 1200 a couple of week's back with a set I bought from a tool stall at a show, just a universal kit and in the kit had an adapter that was a direct fit, I paid £30 for the kit (new). I have seen the same kit on ebay for about the same price.
can you provide alink for the kit you have seen online

TEZB
Posts: 282
Joined: Thu Jul 06, 2006 7:37 pm

Re: Compression test

Post by TEZB » Thu Apr 11, 2019 8:15 am

try ebay (UK) item number 262576196009, that's the same as I bought

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