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Author What IS the drfference between the F13 and F15 box?
Steve X16XE
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Registered: 31st Dec 06
Location: Barnsley, South Yorkshire
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4th Sep 08 at 01:02   View User's Profile U2U Member Reply With Quote
I'm guessing that on my Corsa i have an F15CR gearbox (R reg 98).

So what is the difference? Is it the ratios? Or is it just the housing?
Ian
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Registered: 28th Aug 99
Location: Liverpool
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4th Sep 08 at 01:05   View Garage View User's Profile U2U Member Reply With Quote
Torque rating majorly.

I think the ratios are different as well on account of them being fitted to different engines.
Steve X16XE
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4th Sep 08 at 01:11   View User's Profile U2U Member Reply With Quote
Torque rating...? By that do you mean how much the box can take?
Ian
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4th Sep 08 at 01:42   View Garage View User's Profile U2U Member Reply With Quote
Yeah that is what the F number is for.

13 = 130ft/lb
15 = 150ft/lb

F20 = 200

etc.
andy1868
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Registered: 22nd Jun 06
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4th Sep 08 at 07:50   View User's Profile U2U Member Reply With Quote
hmmmm learn something new every day
cheekyalex
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4th Sep 08 at 09:07   View User's Profile U2U Member Reply With Quote
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Steve X16XE
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4th Sep 08 at 13:16   View User's Profile U2U Member Reply With Quote
Cheers Ian. So are the ratios all the same?

Alex....... why?
tom_simes
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Registered: 12th Jan 05
Location: Undy, Newport Drives: Skoda Octavia vRS estate
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4th Sep 08 at 14:34   View Garage View User's Profile U2U Member Reply With Quote
Stephen, check your Haynes manual

Apparently, the ratios changed over the years anyway, even with the same box. I think IIRC the final drives changed as well.

Got all this info from my Haynes by the way, but from looking at it 2 weeks ago when I had a dodgy driveshaft.
Cossie
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4th Sep 08 at 14:40   View User's Profile U2U Member Reply With Quote
on my corsa late 2000 got an f17 cr gearbox
Kurt
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4th Sep 08 at 17:01   View User's Profile U2U Member Reply With Quote
i always thought the torque rating was a myth?

slightly hi jacking here aswell.. anyone know how much a cr f13 from vaux would be?
Jakey
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Registered: 4th Jun 07
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4th Sep 08 at 17:02   View Garage View User's Profile U2U Member Reply With Quote
Brand new? Quite a bit id imagine
Kurt
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4th Sep 08 at 17:05   View User's Profile U2U Member Reply With Quote
well if theyre anything like us i imagine they offer a reconditioned (exchange) unit...
Jakey
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4th Sep 08 at 17:08   View Garage View User's Profile U2U Member Reply With Quote
Suppose, got my fan switch working too
Vaux Lad
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4th Sep 08 at 17:20   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by Ian
Yeah that is what the F number is for.

13 = 130ft/lb
15 = 150ft/lb

F20 = 200

etc.

There in NM, not lb/ft iirc.
And ignore those tbh, bit of a myth.

Going by that a f10 should take 100, and a f13 take 130, BUT both boxes have exactly the same internals
So its a load of crap tbh


Edit-Sorry, only just seen kurts post.

[Edited on 04-09-2008 by Vaux Lad]

 
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