AndyW
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| posted on 13/4/10 at 01:28 PM |
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which diff
I have done a quick search but not seemed to find the right results.
Q. What is the recommended diff for a CEC. There seems lots of debate and answers for BEC but Im going to be useing a vauxhall 20 16v and want to know
whats the best ratio etc
Any advise appreciated..
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tomgregory2000
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| posted on 13/4/10 at 01:46 PM |
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in my red top powered viento i had the 3.92 lsd ish ratio and acceleration was rapid but did suffer at a slightly higher cruising speed due to the
increased rpm, i would look out for a 3.62 ish one which should be a good comp, i was running 17" wheels as well
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rayward
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| posted on 13/4/10 at 02:35 PM |
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handy calculator HERE you can play with different diff ratios to see their effect on speed
in each gear
cheers
Ray
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Charlie_Zetec
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| posted on 13/4/10 at 02:36 PM |
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If it's of any use, I might have a 3.62 non-LSD up for grabs in the coming days?
Drop me a U2U if you're interested!
Artificial intelligence is no match for natural stupidity!
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Xtreme Kermit
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| posted on 13/4/10 at 08:45 PM |
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Just changed from a 3.65 to a 3.92 on 15" wheels on my Xtreme.
If you can put up with 70mph in top at 3400 - go for it!
Acceleration seems much better and I am happy to put up with buzzy cruising as cruising is not the point of my car 
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flak monkey
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| posted on 13/4/10 at 09:00 PM |
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I have a 3.92 in mine at the moment. Was great with the pinto as it gave that bit quicker acceleration. The downside as mentioned is 60mph is 3000rpm
(20mph/1000rpm in 5th with a T9)
I will be changing to a 3.62 LSD after Stoneleigh, I have trouble putting the power down now anyway, so I am not going to loose any acceleration in
the lower gears and its going to lower the cruising RPMs for a more relaxing drive and better economy on a long run (not that its that important!)
Should lower each cruisin rpm by around 500rpm. It also means I should be able to hit 63mph in 2nd for that all important 0-60 dash.
Sera
http://www.motosera.com
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