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Home > Help Needed / General Tech Chat > 3.2 CW&P, anyone using this ratio?

RED850

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243 Posts
Member #: 89
Senior Member

Sydney Australia

21st Dec, 2009 at 11:00:07am

Hi Guys,

I am just getting all my bits together to start my gearbox rebuild with the minispares SCCR gear kit
.
and wondered if anyone uses the 3.2 diff ratio? (I think it was std metro turbo, is that correct?)

well with this box build i am going std ratio drop gears and going from a 3.44:1 diff to a 3.2:1.

last dyno session on 14psi i got 136hp at the wheels (think that makes it around 180 or so at the crank, correct me if i am wrong)

I really think the 3.2 will help me get away from the line quicker with a little less wheel spin and a nicer cruising speed/revs when in cruise mode.

any thoughts, 3.2:1 too tall or should it be ok.
am running 10" wheels too.

179hp on 12psi 1293cc of pure A series
14.0et @101 mph


apbellamy

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16540 Posts
Member #: 4241
King Gaycharger, butt plug dealer, Sheldon Cooper and a BAC but generally a niceish fella if you dont mind a northerner

Rotherham, South Yorkshire

21st Dec, 2009 at 11:04:13am

Put all your gearbox etc details into this website. it will show you a nice graph of how the car will drive

http://www.guess-works.com/Gearbox/Technical/ratio.htm

you shopuld be able to make an educated guess then

On 11th Feb, 2015 robert said:
i tried putting soap on it , and heating it to brown , then slathered my new lube on it

*hehe!*

Joe C

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12307 Posts
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Carlos Fandango

Burnham-on-Crouch, Essex

21st Dec, 2009 at 06:27:20pm

I'm using a 3.1 I dont think its too tall.

On 28th Aug, 2011 Kean said:
At the risk of being sigged...

Joe, do you have a photo of your tool?



http://www.turbominis.co.uk/forums/index.p...9064&lastpost=1

https://joe1977.imgbb.com/



nuukuus

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161 Posts
Member #: 6857
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Lieto / Finland

21st Dec, 2009 at 07:13:50pm


Same here. I'm using also 3.1

On 21st Dec, 2009 mini13 said:
I'm using a 3.1 I dont think its too tall.

1399cc, Eaton M45 supercharger, N2O system, compression ratio 9.23:1, boost pressure 0,8bar/11.6psi.

http://www.garaget.org/?car=176816


RED850

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243 Posts
Member #: 89
Senior Member

Sydney Australia

21st Dec, 2009 at 09:19:49pm




On 21st Dec, 2009 apbellamy said:
Put all your gearbox etc details into this website. it will show you a nice graph of how the car will drive

http://www.guess-works.com/Gearbox/Technical/ratio.htm

you should be able to make an educated guess then


thanks for that, yep i like those ratios.

seems like 3.2 will be fine.

179hp on 12psi 1293cc of pure A series
14.0et @101 mph

Home > Help Needed / General Tech Chat > 3.2 CW&P, anyone using this ratio?
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