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+--- Thread: engine block XU10J4 vs. XU10J4RS (/showthread.php?tid=29823)
engine block XU10J4 vs. XU10J4RS - Stifler - 24-03-2015
Hello,
I´m owner of 306 GTi-6 just for 3 years, but now my engine block is broken (cracked). I spent many hours checking Internet, but could not find exact and clear answer, if I can replace my XU10J4RS engine block with XU10J4 (306 S16 112 kW, 5-speed gearbox) without any modifications. Are these blocks the same (means replacable)? Or are there any differences that excludes or obstacles this change? Will my engine work properly with XU10J4 engine block?
Thanx for any answer.
RE: engine block XU10J4 vs. XU10J4RS - Eeyore - 24-03-2015
Youre in the czech republic so I presume getting hold of a J4RS is a problem...
RE: engine block XU10J4 vs. XU10J4RS - welshpug - 24-03-2015
the RFY J4 block is in essence identical, just different components bolted to it, different dipstick location and some breathers different.
the crank is the same part number, you need to swap EVERY other part.
the rfv 135 BHP 2.0 16V engine is closer in design, however not all of them have the oil squirters in the block, early ones do later ones dont.
RE: engine block XU10J4 vs. XU10J4RS - Stifler - 24-03-2015
so if i buy completely dressed block XU10J4 (containing all components), it might be able to run normally (with all others from XU10J4RS)?
RE: engine block XU10J4 vs. XU10J4RS - welshpug - 24-03-2015
you would need to swap the conrods and pistons and cylinder head, all the timing gear.
RE: engine block XU10J4 vs. XU10J4RS - Stifler - 24-03-2015
I thought these things I keep from XU10J4 block.
Do you think, that I have exchange them for my XU10J4RS parts or others?
RE: engine block XU10J4 vs. XU10J4RS - welshpug - 24-03-2015
if you want to build another XU10J4RS then yes you need to fit all the good parts you have.
RE: engine block XU10J4 vs. XU10J4RS - miles - 24-03-2015
plus the bores are well known to wear quickly, making swapping pistons near impossible
RE: engine block XU10J4 vs. XU10J4RS - Stifler - 25-03-2015
Thank you for all posts.
So I cancel the plan for the exchange.
engine block XU10J4 vs. XU10J4RS - connorp - 21-04-2015
Can someone please tell me what xu... Number my engine is, it's a 1.8 petrol xs 1999
RE: engine block XU10J4 vs. XU10J4RS - Stifler - 22-04-2015
1.8i 16V is XU7JP4
engine block XU10J4 vs. XU10J4RS - connorp - 27-04-2015
Thanks a lot man