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Old 06-01-2009, 04:44 PM
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cossie4i+
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Default Power Required

What power do you need to get a 120mph terminal speed on the 1/4 mile.
The car is my 4i. Full road trim, standard cossie diff and box with 205/40/17 tyres, must be the same weight as a 3dr cossie.

Steve.
Old 06-01-2009, 04:46 PM
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costina
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Originally Posted by cossie4i
What power do you need to get a 120mph terminal speed on the 1/4 mile.
The car is my 4i. Full road trim, standard cossie diff and box with 205/40/17 tyres, must be the same weight as a 3dr cossie.

Steve.
25bhp more than u got

Paul
Old 06-01-2009, 04:49 PM
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Originally Posted by costina
25bhp more than u got

Paul


At least mine uses more petrol than oil

Steve.
Old 06-01-2009, 04:54 PM
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Originally Posted by cossie4i


At least mine uses more petrol than oil

Steve.
lol yours should be a bit lighter than a std cossie you have'nt got abs have you??

Paul
Old 06-01-2009, 08:26 PM
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Originally Posted by costina
lol yours should be a bit lighter than a std cossie you have'nt got abs have you??

Paul
I think my 19stone mass and the 330mm discs and king size calipers might make up the difference

Steve.
Old 06-01-2009, 08:31 PM
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you diff will be left behind at the start line!specially without a decent mount!
Old 06-01-2009, 08:35 PM
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Big turbo time stevie boy.

Steve
Old 06-01-2009, 08:37 PM
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Originally Posted by mechanic28
you diff will be left behind at the start line!specially without a decent mount!
At least i have the balls to use mine Doug

Steve.
Old 06-01-2009, 08:38 PM
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you will need around 500bhp to see that sort of terminal
Old 06-01-2009, 08:38 PM
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Originally Posted by cossie4i
At least i have the balls to use mine Doug

Steve.

mine as a few problems at the mo
Old 06-01-2009, 08:40 PM
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Originally Posted by Kevin Sharp
you will need around 500bhp to see that sort of terminal
No bloody hope then

Steve.
Old 06-01-2009, 08:42 PM
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Originally Posted by Moonstone Steve
Big turbo time stevie boy.

Steve
No more engine mods until it dies now.

Steve.
Old 06-01-2009, 08:43 PM
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Its all in the launch and the first 60ft get that right and you get good times
Old 06-01-2009, 08:46 PM
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Originally Posted by mechanic28
Its all in the launch and the first 60ft get that right and you get good times
My 60ft time is crap @ 2.361sec

I have fitted rear shims and new tyres and it grips a lot better now, hope my 60ft time improves.

Steve.
Old 06-01-2009, 08:47 PM
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You should see some gain now you have your special remap

Steve
Old 06-01-2009, 08:48 PM
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i ran 117's with 350ish, Crap 60fts will benefit if you only after a high speed.
Old 06-01-2009, 08:55 PM
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just think top fuel dragsters are doing over 100mph in that 60ft
Old 06-01-2009, 08:58 PM
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Originally Posted by Danny B
i ran 117's with 350ish, Crap 60fts will benefit if you only after a high speed.
I want to impove both my times and terminal speed.

Surely if you have a better 60ft your terminal will be faster as you have more distance to accelerate ?

Steve.
Old 06-01-2009, 09:00 PM
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Originally Posted by Moonstone Steve
You should see some gain now you have your special remap

Steve
I would hope that helps as well due to the car holding 4psi more boost @ 6000rpm

Steve.
Old 06-01-2009, 10:25 PM
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my old saph used to cross the line around 120ish
escos wheels with 215/40/16,s, full interior/weight etc
proper full on, gearbox and diff killing launches every time
was just under 420bhp(cant remeber exact but was high teens)
oh yeah 4x4 if you hadn't already guessed
Old 06-01-2009, 10:42 PM
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a decent rear beam mate
Old 07-01-2009, 02:43 PM
  #22  
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Originally Posted by xr4x4rs
a decent rear beam mate
That dosen't answer the question

Steve.
Old 07-01-2009, 03:38 PM
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costina
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Get a pair of 15" cossie rims with R888's on

job donegrip is the key

Paul
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