Gear ratio's for the Bara straight cut box.
#1
Gear ratio's for the Bara straight cut box.
Because of Dave's (YUM) high speed run it was realised that the Bara box might have a short 5th gear. I had been told that all the ratio's were standard, this is not the case.
I asked Bara for the tooth count on ALL the gears so that I could work it out myself. Here are the results:
1st 3.6
2nd 2.13
3rd 1.38
4th 1.00
5th 0.863
Alternative 5th gear is .812
I asked Bara for the tooth count on ALL the gears so that I could work it out myself. Here are the results:
1st 3.6
2nd 2.13
3rd 1.38
4th 1.00
5th 0.863
Alternative 5th gear is .812
#6
Happily retired
Re: Gear ratio's for the Bara straight cut box.
Originally Posted by martin-reyland
Because of Dave's (YUM) high speed run it was realised that the Bara box might have a short 5th gear. I had been told that all the ratio's were standard, this is not the case.
I asked Bara for the tooth count on ALL the gears so that I could work it out myself. Here are the results:
1st 3.6
2nd 2.13
3rd 1.38
4th 1.00
5th 0.863
Alternative 5th gear is .812
I asked Bara for the tooth count on ALL the gears so that I could work it out myself. Here are the results:
1st 3.6
2nd 2.13
3rd 1.38
4th 1.00
5th 0.863
Alternative 5th gear is .812
#7
Happily retired
Originally Posted by cossie4i
So your not going to tell us the MPH per 1000rpm with your tyre size then with the old and the new ratio
Steve.
Steve.
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#11
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Originally Posted by kitchy
according to my mafs it will do over 200mph, now go try it!
#12
Originally Posted by MadRod
Originally Posted by cossie4i
So your not going to tell us the MPH per 1000rpm with your tyre size then with the old and the new ratio
Steve.
Steve.
#13
Happily retired
Originally Posted by martin-reyland
Originally Posted by MadRod
Originally Posted by cossie4i
So your not going to tell us the MPH per 1000rpm with your tyre size then with the old and the new ratio
Steve.
Steve.
#14
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Originally Posted by MadRod
Originally Posted by kitchy
according to my mafs it will do over 200mph, now go try it!
#18
Happily retired
Originally Posted by Mike Rainbird
Assuming 225/40 x 18 tyres, 8010rpm would equal 203.4mph with the taller fifth .
With the taller fifth, he only needs to pull 7747rpm to do the speed that would make YUM the fastest non-nitros powered Cossie .
With the taller fifth, he only needs to pull 7747rpm to do the speed that would make YUM the fastest non-nitros powered Cossie .
#19
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Originally Posted by carlo
What is the fastest non nitros,d cossie top speed just now mike?
#24
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Originally Posted by MadRod
Originally Posted by carlo
What is the fastest non nitros,d cossie top speed just now mike?
#25
Originally Posted by carlo
Originally Posted by MadRod
Originally Posted by carlo
What is the fastest non nitros,d cossie top speed just now mike?
#26
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Originally Posted by martin-reyland
Originally Posted by carlo
Originally Posted by MadRod
Originally Posted by carlo
What is the fastest non nitros,d cossie top speed just now mike?
#27
Originally Posted by pete mcrash
Originally Posted by martin-reyland
Originally Posted by carlo
Originally Posted by MadRod
Originally Posted by carlo
What is the fastest non nitros,d cossie top speed just now mike?
#34
PassionFord Post Troll
Originally Posted by Cosworth Rallyesport
Originally Posted by andrewg
i'm sure the rolling radius of the tyres increase at that speed
#37
PassionFord Post Troll
Originally Posted by MAD YUM
Originally Posted by andrewg
i worked mine out to be 210 at 8200
Can you get it to pull 8200 in 5th then??
and its got 6 gears
#39
PassionFord Post Troll
Originally Posted by MAD YUM
Originally Posted by andrewg
Originally Posted by MAD YUM
Originally Posted by andrewg
i worked mine out to be 210 at 8200
Can you get it to pull 8200 in 5th then??
and its 6th
cause mine is a race spec engine it has solid lifters and it loves reving