Club 80-90 Forums

Has anyone used G12 with their Subaru conversion?

I bought 20 litres when it was on offer and would prefer to use it up and not buy more blue coolant.

This engine swap has been expensive enough!


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printmonkey wrote:Has anyone used G12 with their Subaru conversion?

I bought 20 litres when it was on offer and would prefer to use it up and not buy more blue coolant.

This engine swap has been expensive enough!


Sent from my iPhone while I should be working!

I think so long as it's OAT compliant which it will be, you're fine. Get someone else to confirm though

Know what you mean, I'm £2.3k deep in just parts and engine so far *gulp*

slowcoach wrote:Know what you mean, I'm £2.3k deep in just parts and engine so far *gulp*

It's never ending! I removed the heads for skimming before fitting new head gaskets which has now turned into new valves etc..

Good times.


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I only ever use prestone in my subarus but any coolant that's ok for alloy engines is fine ,, for the ultimate coolant use Evans waterless coolant as we use it in the high power subarus with great effect , expensive but subarus have never been the cheapest engines to buy for anyway lol

Iv found my conversion to be quite cheap so far ,,my last Subaru engine build cost 10k for the bare engine so 2-3k doesn't seem so bad then lol

Cheers domino, I'm a long way off 10k, but there's still a bit to do so you never know there could be another surprise expense on the horizon.


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You will have fun bleeding the radiator using waterless coolant

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MGP wrote:You will have fun bleeding the radiator using waterless coolant

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Can I ask why ? , subarus can be a right pain to bleed but iv got it down to a fine art now but is the VW system a pain aswell then ?

printmonkey wrote:Cheers domino, I'm a long way off 10k, but there's still a bit to do so you never know there could be another surprise expense on the horizon.


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There is always a suprise with a Subaru engine lol ,, specially when you put a turbo in the mix aswell

The whole bleeding procedure on these vans revolves around the coolant expanding to fill the top of the radiator and push the air out, waterless coolant doesn't expand

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MGP wrote:The whole bleeding procedure on these vans revolves around the coolant expanding to fill the top of the radiator and push the air out, waterless coolant doesn't expand

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I got you ,, got a few tricks I'm going to try when it comes to bleeding the system and filling it all up so should be ok but being new to the van side of things I'm sure I'll have fun by the sound of it lol , subarus can be terrible at times and some have to be burped a few times to get the air out but im so used to them now I can normally get them done first time , unless it's a 2.5 as there worse to get air out of

printmonkey wrote:Has anyone used G12 with their Subaru conversion?

I bought 20 litres when it was on offer and would prefer to use it up and not buy more blue coolant.

This engine swap has been expensive enough!


Sent from my iPhone while I should be working!

I did the same.

Looks like it will be ok to use on the scoob engine.
Ive almost got mine ready to remove from the doner.