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transfer box ratios

 
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brookes47
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PostPosted: Sun May 01, 2005 8:56 pm    Post subject: transfer box ratios Reply with quote

apparently you can change the transfer box to obtain a lower ratio final drive, reduced revs when cruising.

How, where, how much, part numbers, can I do it myself, and if anyone has done it is it worth the effort?
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defender50th
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Joined: 14 Nov 2004
Posts: 1520
Location: Hampshire

PostPosted: Sun May 01, 2005 9:50 pm    Post subject: Reply with quote

Hello,

Welcome to the site.

The final drive ratio can be change from 1:22 to 1:410. This give it a better drive, more power but increses the revs when driving moterway speeds i think.

Have a look at the 'performance increase' thread from febuary:
http://www.defender50th.co.uk/viewtopic.php?t=47

What number is your 50th?Do i have your details on the register?

Best regards

James
GB 002
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brookes47
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PostPosted: Mon May 02, 2005 9:43 am    Post subject: ratios Reply with quote

thanks for the reply, I am looking to reduce the revs on the motorway, I dont really need the extra acceleration as the engine has been worked on anyway. I am on the register number 95 Steve Brookes, you even have a picture of the car! I dont know where that came from but it looks good!

Steve Brookes
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defender50th
Site Admin


Joined: 14 Nov 2004
Posts: 1520
Location: Hampshire

PostPosted: Mon May 02, 2005 10:38 am    Post subject: Reply with quote

Hi,

Sorry Steve, i couldnt remember where i knew the name Brooks from.
I took that picture at the LRO show in 2003 i think.

I think you should talk to Ashcroft transmitions and see if they can recomend anything as they are the transmition experts.

Best regards

James
GB 002
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brookes47
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PostPosted: Mon May 02, 2005 4:07 pm    Post subject: Reply with quote

thanks,

I have visited the web site for ashcroft transmissions and they will have what I want, I need to reduce the revs whilst on the motoerway.

I want to keep the landrover but my main gripes are the fuel consumption and noise. The mpg is unresolvable but I could always convert to a diesel engine! but I have managed to reduce the noise considerably with extensive sound proofing throughout. The main improvements came from an engine blanket, re-routing the air intake to reduce induction roar, and lead lined insulation material over the transmission tunnel. I thought that reducing revs throughout the range would also keep it quieter.
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