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Thread: Info on F series diff ratios above 4.3

  1. #11
    Senior Member Anthony's Avatar
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    petrol and diesel both have that ratio in certain versions. You can trust the diff code on the build plate with 4wd's generally because they would have to change both front and rear for it to be different. unlikely.

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    on the build plate it should have 1 letter and 3 numbers.

    you need the front diff out of a 4x4 hilux. the build plate i think only lists the rear if i remember correctly.. the code for the rear will be GXXX, first 2 numbers are the ratio code. check them against the list above and thats the ratio. front and rear ratios are the same.

    toyota ring gears will have the ratio actually written on them.

    sometimes its just the number of teeth. something like 41 11.

    or just the actual ratio in a circle, like 4.8 with a circle around it. thing to note here is when its written like that, the figure has been rounded. eg my t series 4.778 has 4.8 written on it. but the code on the car was T362.

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    wicked!! im fairly sure that diff you gave me said 4.3 in wrecker writing how acurate would that be man?
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    and sorry should have explained, in that list, the ratio ive written first, then a space, then the 2 digit code for that ratio.

    so 4.444 is 11
    4.625 is 12
    4.556 is 25

    those are the numbers youre looking for.

  5. #15
    Senior Member Anthony's Avatar
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    yeah it was 4.3 for sure. ive got a 4.7 for mine this time. to go with w58.

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    Removed caps for you

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    ooooh thats why i didnt get it hahaha
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  8. #18
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    4.7 sheesh tats prety serious but might have to go to that!!! you dont have any 4.5 lying around up there do ya?
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    well i just went to a comercial wrecker who imports toyota ratios and he was saying he had a 4.7 ratio which got me excited so after alot of measuring and realising the 4.7 was smaler than a f maybe a t or an e he had what he said was an oddball 4.55 ratio, after trying the axle and comparing it to my 4.3 centre it turns out the centre he had was a 4.55 f series. so theres another one to add to the list there is a 4.55 solid axle centre diff available!!!!
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  10. #20
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    the 4.55 is called a 4,6 they are also 4.78 and 4.88 availible as well brand new crown and pinions are about 450 aussie

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