Top Speed of My Cosworth
29-01-2009, 04:38 PM
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Top Speed of My Cosworth
What is the likely top speed of my car in the confines of brunters. Most of you know the spec of mine - its been well documented on here
455 bhp
235/40/17 tyres
who has the calculations to work it out? I will pm Rod of course as he is top speed guru but would like to see what others out there think please
29-01-2009, 04:39 PM
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nudging 180? gotta be near!
29-01-2009, 04:41 PM
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it takes 500bhp on a good day in rwd to make 180 at brunters
29-01-2009, 04:42 PM
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not sure, but they will need to know what gear box ratios are you using and what rev limit?
29-01-2009, 04:44 PM
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Standard T5 box and will have to check with Mark what rev limit he would be happy for me to use. Will have to be 7.5k rpm at least i would think
29-01-2009, 04:45 PM
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a mk2 escort with a proven 400bhp + nos will do 173mph with 2 beefcakes in it. i reckon you would see around 175 if MAD horses are all they're cracked up to be (the area under the curve being important, not just the peak figure
29-01-2009, 04:55 PM
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I was thinking 175 as well. Must not chase the 180 mph goal
29-01-2009, 05:59 PM
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what about on the road.......?????if it's just a road car then who cares about brunters...???........sorry
29-01-2009, 07:08 PM
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you could argue who cares what it'll do on the road because it's illegal and you would be stupid to do it..........
29-01-2009, 07:26 PM
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Quote:
Originally Posted by
foreigneRS
you could argue who cares what it'll do on the road because it's illegal and you would be stupid to do it..........
............what so u've never gone faster than the speed limit..???.....shh then
29-01-2009, 07:28 PM
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29-01-2009, 07:35 PM
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I think when i asked Rod to work mine out he said around 170-174mph depending on how late you brake. So at a guess for yours Rich about the same if not a couple mph higher.
29-01-2009, 07:44 PM
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Quote:
Originally Posted by
foreigneRS
a mk2 escort with a proven 400bhp + nos will do 173mph with 2 beefcakes in it. i reckon you would see around 175 if MAD horses are all they're cracked up to be (the area under the curve being important, not just the peak figure
It would take 2 x beefcakes to keep a MK2 escort in contact with planet earth at 170+Mph!!!
29-01-2009, 07:45 PM
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176.4 mph Rich
I'll accept a passenger ride by the way
29-01-2009, 08:25 PM
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Quote:
Originally Posted by
IAIN ABZ
It would take 2 x beefcakes to keep a MK2 escort in contact with planet earth at 170+Mph!!!
that was my excuse for being there
Quote:
Originally Posted by
pete mcrash
............what so u've never gone faster than the speed limit..???.....shh then
read it again, or should i........punctuate.......it.........a......bit.... .more...so.........it's.......clear....to....you.. ..
i am not arguing that, but one could
29-01-2009, 08:48 PM
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29-01-2009, 09:13 PM
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174,i would say you would need nearer 500bhp to nudge 178-180 and a true 500+ to go over 180 imo.
29-01-2009, 11:06 PM
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Rainbird managed over 180 with c400 at the wheels at AVA - estimated to be 450bhp. I am happy to be told that the car made more on the runway due to lower ACT's but thats just what it made on the rollers and what it made down the runway.
I loved that motor
SO I would say you would be in the higher 170's.
RW
29-01-2009, 11:13 PM
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Sod all because you never use it ffs
29-01-2009, 11:32 PM
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29-01-2009, 11:49 PM
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30-01-2009, 12:08 AM
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30-01-2009, 01:46 AM
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30-01-2009, 05:18 AM
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Quote:
Originally Posted by
foreigneRS
that was my excuse for being there
read it again, or should i........punctuate.......it.........a......bit.... .more...so.........it's.......clear....to....you.. ..
i am not arguing that, but one could
..........do u stutter in real life aswell....????...........
30-01-2009, 05:53 AM
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Quote:
Originally Posted by
CossieRich
What is the likely top speed of my car in the confines of brunters. Most of you know the spec of mine - its been well documented on here
455 bhp
235/40/17 tyres
who has the calculations to work it out? I will pm Rod of course as he is top speed guru but would like to see what others out there think please
Hi Rich
Just ask Rod he has a great table that will help you he knows a thing or too about it he has helped with a yellow swede as well
Russ
30-01-2009, 06:25 AM
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Hi Rich, just under 180 l reckon
30-01-2009, 07:19 AM
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Quote:
Originally Posted by
t4 and greys
Obviosuly you been talking to Mike Rainbird as that was his favourtie quote to me
30-01-2009, 07:20 AM
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Quote:
Originally Posted by
mad russell
Hi Rich
Just ask Rod he has a great table that will help you he knows a thing or too about it he has helped with a yellow swede as well
Russ
Quote:
Originally Posted by
Its Dave
Hi Rich, just under 180 l reckon
Hi Russ,
I have pm'd the little man to come post on this thread. Hope this are well your end mate
Dave - What power did you have in your escos at Brunters when it did 178?
30-01-2009, 07:27 AM
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i think Paul got it right, Fook all as you never use it
30-01-2009, 07:37 AM
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Quote:
Originally Posted by
Kelv
i think Paul got it right, Fook all as you never use it
Mind you if you count daves trailer 60 mph on the way to marks
30-01-2009, 07:43 AM
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Work in progress boys. Cant help it if the clutch packed up
30-01-2009, 08:23 AM
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Need your rev limit to work out theoretical top speed
.
30-01-2009, 08:25 AM
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30-01-2009, 08:31 AM
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I reckon my mk2 with no bonnet would beat you with my 450bhp
30-01-2009, 08:58 AM
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Quote:
Originally Posted by
CossieRich
Say 7.5k rpm then
Your gearing allows for 186mph.
I don't think you have solid lifters? If not, you will get valve float, which will restrict power at high sustained rpm, so I will say 175mph, +/- 2mph depending on weather conditions
.
30-01-2009, 09:16 AM
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Quote:
Originally Posted by
CossieRich
Hi Russ,
I have pm'd the little man to come post on this thread. Hope this are well your end mate
Dave - What power did you have in your escos at Brunters when it did 178?
Dyno figure non tuv approved was 470bhp
30-01-2009, 09:20 AM
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Not on solid lifters no. But then i wont be able to pull 7.5k rpm in 5th will I?
30-01-2009, 09:22 AM
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The lifters start to pump up from a sustained 7000+rpm....
30-01-2009, 09:26 AM
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Quote:
Originally Posted by
Its Dave
Dyno figure non tuv approved was 470bhp
Well,
fuck TUV
- your car did more than it should have done with that power shouldnt it. Even Rod was surprised
30-01-2009, 09:28 AM
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Quote:
Originally Posted by
CossieRich
Well,
fuck TUV
- your car did more than it should have done with that power shouldnt it. Even Rod was surprised
Perfect gearing, perfect conditions and an understanding of how to improve the drag factor
.
29-01-2009, 04:38 PM
Top Speed of My Cosworth
