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MK5 Diff Ratio

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Re: MK5 Diff Ratio

Postby rebuilder86 » Fri Aug 10, 2018 12:19 pm

ok so ive worked out i was decoding the wrong part, and i also have a J 5.14.
So the best part to buy is this....
https://www.ebay.com.au/itm/FORD-TRANSI ... m570.l1313

at 4.56 that gives us about 2650 rpm , much better. So with that, we woudl also need to have the speedometer adjusted.
Km/h-------------------RPM (in Gears)
-------------------------------------------------
.............1...........2.......3..........4........5
-------------------------------------------------
10 .....1255.....723 ......473.......348 .....264
20 ....2510......1446.....945......695......528
30 .................2169....1418....1043.....792
40 .................2892 ....1891... 1390...1057
50 .........................2364.....1738.....1321
60 ..........................2836....2085......1585
70 ..................................2433......1849
80 ...................................2781.....2113
90 .............................................2377
100 ............................................2642
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Re: MK5 Diff Ratio

Postby rebuilder86 » Fri Aug 10, 2018 12:27 pm

altho, that particular, part, is supposed to be for 14 inch rims, which probabyl means smaller tyres, so ford probabyl wnat that diff only for smaler wheels.But thats beasue they think eveyrone of them is to be driving around england.
We in perth should forget such nonsense, and if our speedometers cant be adjusted, we should just use a phone GPS app for speedometer.
But maybe it wont fit on our 5.13 (5.14) diff carriers, maybe we are only able to get the .63 as cherniy suggests.
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Re: MK5 Diff Ratio

Postby twin wheel camper » Fri Aug 10, 2018 2:09 pm

rebuilder86 wrote:altho, that particular, part, is supposed to be for 14 inch rims, which probabyl means smaller tyres, so ford probabyl wnat that diff only for smaler wheels.But thats beasue they think eveyrone of them is to be driving around england.
We in perth should forget such nonsense, and if our speedometers cant be adjusted, we should just use a phone GPS app for speedometer.
But maybe it wont fit on our 5.13 (5.14) diff carriers, maybe we are only able to get the .63 as cherniy suggests.



Totally different so no good as others have said a 4.63 is the best you can have, another option is taller tyres.
I’m assuming you have 6 stud wheels and your van is a 150 or 190 model??
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Re: MK5 Diff Ratio

Postby rebuilder86 » Fri Aug 10, 2018 2:13 pm

bugger. Thats hte different between a 300 dollar pinion and crown wheel, and an entire rebuild kit for 600 dollars.
And with that info, its not worth it.
Last edited by rebuilder86 on Fri Aug 10, 2018 2:16 pm, edited 1 time in total.
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Re: MK5 Diff Ratio

Postby twin wheel camper » Fri Aug 10, 2018 2:16 pm

Can you confirm which model you have?? You said a short wheel base low roof so it would have to be a 150 model assuming you have 6 stud wheels otherwise if you have 5 stud wheels then you can use that diff no problem.
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Re: MK5 Diff Ratio

Postby rebuilder86 » Fri Aug 10, 2018 2:17 pm

not sur ewhat u mena by 150...
U mean PS?

its a 100PS, 1999 VG, Lucas pump, 6 stud wheels
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Re: MK5 Diff Ratio

Postby twin wheel camper » Fri Aug 10, 2018 2:20 pm

How many wheel studs hold your wheels on ??
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Re: MK5 Diff Ratio

Postby twin wheel camper » Fri Aug 10, 2018 2:22 pm

Sorry you just answered that :oops:
Over here in the uk the models are 80 100 120 150 190 or 230 which broadly is the payload legally allowed in the van.
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Re: MK5 Diff Ratio

Postby rebuilder86 » Fri Aug 10, 2018 2:26 pm

wow, is that 230 = 2.3 tonnes?
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Re: MK5 Diff Ratio

Postby twin wheel camper » Fri Aug 10, 2018 2:31 pm

I did say broadly :lol: but that’s the idea behind it, the 230 is gross weight 3.9 T I think. It was bought by government mostly over here, fire brigade, police etc.
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Re: MK5 Diff Ratio

Postby rebuilder86 » Sun Aug 12, 2018 6:34 am

so for anyone whos interested, the 4.63 Diff gives you these figures:

Km/h-------------RPM-(in-Gears)
-------------------------------------------------
-----------1--------2--------3--------4--------5
-------------------------------------------------
--10-----1274------734------480------353------268
--20-----2548-----1468------960------706------536
--30--------------2202-----1440-----1059------805
--40--------------2936-----1920-----1412-----1073
--50-----------------------2400-----1765-----1341
--60-----------------------2880-----2117-----1609
--70--------------------------------2470-----1878
--80--------------------------------2823-----2146
--90-----------------------------------------2414
-100-----------------------------------------2682


and the std 5.14 gives you these:
Km/h-------------RPM-(in-Gears)
-------------------------------------------------
-----------1--------2--------3--------4--------5--------
-------------------------------------------------
--10-----1414------815------533------392------298
--20-----2829-----1630-----1066------784------596
--30--------------2445-----1599-----1175------893
--40-----------------------2131-----1567-----1191
--50-----------------------2664-----1959-----1489
--60--------------------------------2351-----1787
--70--------------------------------2743-----2084
--80-----------------------------------------2382
--90-----------------------------------------2680
-100-----------------------------------------2978
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Re: MK5 Diff Ratio

Postby Pmacnz » Tue Oct 29, 2019 12:31 pm

I never managed to find the correct ratio diff for a replacement.
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Re: MK5 Diff Ratio

Postby Morst » Wed Oct 30, 2019 9:06 pm

twin wheel camper wrote:
MinorMatt wrote:One wheel in the air, other on the ground. Double propshaft revs to give diff ratio.

Will be a 5.14 not a 5.11



Matt don’t complicate things :lol: :lol:

Actually, he isn't. He rather made thing VERY much clearer for me as we're talking about gear ratios: "Double propshaft revs to give diff ratio." As I lack tags on my axle and the stickers have been overpainted and/or removed AND doesn't have a tachometer I'm not sure about my own gear ratio. My propshaft rotated about two and almost a third lap at one wheel lap which made my quite confused... Now I know - 4,63:1! Thanks Matt! And sorry for interrupting you others. :)
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Re: MK5 Diff Ratio

Postby Rdlc350 » Mon Feb 21, 2022 9:45 am

Hi does anybody put there know if a 4.63 ratio pinon and crown wheel from mk6 2000-2006 will fit 6 stud mk5 axle
Thanks in advance
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Re: MK5 Diff Ratio

Postby MinorMatt » Mon Feb 21, 2022 10:15 am

CW&P from a mk6 (all RWD axles, excluding the DANA type fitted to TDCi) will fit a mk5 with 6 stud axles
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