Is it possible to build a "1.9 JX"? |
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fatfranky
Groupie Joined: 04 Sep 07 Location: Co. Durham Status: Offline Points: 41 |
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Posted: 03 Mar 17 at 14:09 |
I wonder if anyone can help here
I have a 1.6 JX engined T3, the engine has developed a bit of a miss and knocking and coolant light came on (low coolant) I decided to remove and strip engine to investigate and at this point have it stripped ready to remove the cylinder head to investigate. I realise that an AAZ is an "easy" and worthwhile upgrade but good, cheap AAZ's are getting thin on the ground and have questionable history. Assuming the worst ( and as said have not yet removed cylinder head) I saw this advert http://www.brick-yard.co.uk/forum/various-aaz-jx-afn-parts-for-sale_topic92492.html So the question basically is it possible to use tha AAZ block, crank & Pistons (assuming they're good) with the JX, cylinder head, fuel pump & injectors ( I understand I have to use JX sump, oil pump, engine mounts etc. Just as if I were installing an AAZ. I think I'm basically asking if the 1.6 head fits the 1.9 block. So in essence building a 1.9 litre JX Many thanks in advance Frank |
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clift_d
Yardie Joined: 02 Dec 12 Location: Hackney innit Status: Offline Points: 382 |
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There are some performance modifications that can be done to the JX - ARB head studs, AAZ gasket, injection boost pins etc, but I don't know that anyone's hacked a JX into a 1.9L that way.
If you want a 1.9 JX-a-like then it might be worth starting with a 1.9L 1Y instead and then using the JX turbo, manifold, pump, injectors, etc to turbo that lump. Edited by clift_d - 03 Mar 17 at 16:44 |
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1988 1.6TD Westfalia Club Joker syncro
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ob1
Yardie FOUND IT, IT WAS HIDING! Joined: 11 May 08 Status: Offline Points: 732 |
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I vaguely remember that you can't match a 1.9 bottom to 1.6 head? might be wrong though - I think the oil ways don't match?
I've got a load of good AAZ heads pumps injectors turbo's etc kicking about if that helps? |
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fatfranky
Groupie Joined: 04 Sep 07 Location: Co. Durham Status: Offline Points: 41 |
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Thanks for the replies guys.
I've now removed the head and other than the usual cracks between the valves there's nothing untoward so far, bores seem reasonable, so we'll see! But the suggestion of turboing a 1y has me thinking! There's a chap on 80-90 selling a 1y and an AEF pretty cheap, I know the AEF has CAV pump, would it be possible to remove the CAV pump and replace it with the JX pump, turbo sump etc ? |
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regcheeseman
Not Quite Newbie Joined: 02 Oct 12 Location: North Devon Status: Offline Points: 16 |
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Turboing a 1y works well.
Don't hybrid a 1.9/1.6 - it doesn't work.
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