IWantOne
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 posted on 22/9/05 at 03:08 PM |
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MK Indy Diff Ratio
Please help me!!!! i know you have had a lot of questions on this but i am getting lost. i have an MK Indy with the Blackbird motor. I am using the
car on the road, no track days or hill climbing...yet. i would like to be able to cruise at 80...ish. at the minute i am getting passed by milk floats
and i am on 6k revs! where can i find a calculator for the above combination.
many thanks in advance.
Ady
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Mr G
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| posted on 22/9/05 at 03:15 PM |
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QUAIFE CALC
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IWantOne
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| posted on 22/9/05 at 03:19 PM |
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thanks for that. i cant find the Blackbird motor in the list...any ideas???
sorry to be a pain!!
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Guinness
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| posted on 22/9/05 at 03:21 PM |
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About half way down this topic, Gear Calc
Link
You pick your engine, diff and tyre size and it works out top speed in each gear. If you want to see how fast you are at 6000 rpm, then adjust the
rev limit on the options on the data sheet.
HTH Mike
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IWantOne
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| posted on 22/9/05 at 03:23 PM |
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thanks mike. got the spreed sheet will have a look when i get home...best not try and run it on works server!!!!!!!!!!!!!
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mookaloid
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| posted on 22/9/05 at 03:35 PM |
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Should have a car with a proper car engine
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donut
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| posted on 22/9/05 at 03:37 PM |
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I'll second that!!
Andy
When I die, I want to go peacefully like my Grandfather did, in his sleep -- not screaming, like the passengers in his car.
http://www.flickr.com/photos/andywest1/
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IWantOne
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| posted on 22/9/05 at 03:47 PM |
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i got one of them for every day...but wanted a proper car!!!!
oopsss....dont want to upsaet anyone as im new and need all the help i can get!!!!!!
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alister667
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| posted on 22/9/05 at 08:28 PM |
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Don't listen to them boat anchor boys, they don't know what they're on about.
Besides all they'll see of your car is the back of it as it disappears into the distance
http://members.lycos.co.uk/alister667/
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mookaloid
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| posted on 22/9/05 at 09:27 PM |
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At least my 'boat anchor' car keeps going past 125 mph
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IWantOne
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| posted on 23/9/05 at 10:12 AM |
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oh god.....ive started an argument!!!!!! its on MK Indy thats all that matters...???
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iank
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| posted on 23/9/05 at 10:37 AM |
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quote:
Originally posted by IWantOne
oh god.....ive started an argument!!!!!! its on MK Indy thats all that matters...???
Nah, it's just the friendly banter between the BEC and CEC camps, no one gets hurt.  and to be honest they're both right.
BTW 6000 rpm on a BEC, isn't that the equivalent of idle on a CEC, not suprised you aren't going anywhere fast  redline is up in the
10k's isn't it?
Now if you want an argument start a 'which size wheels are best' thread
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IWantOne
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| posted on 23/9/05 at 10:58 AM |
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ok brace yourself...........i have 15" wheels but looking at going to 17"....am i doing the right thing???...........ok im ready to
duck...
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Hellfire
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| posted on 23/9/05 at 11:57 AM |
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Yep, 17" wheels definitely look the best.
I wouldn't be too concerned about the top speed. Its not how fast it goes but how fast it gets there................... 
[Edited on 23-9-05 by Hellfire]
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IWantOne
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| posted on 23/9/05 at 03:38 PM |
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thanks...will have a look for some 17's. just had a quote for a recon 3.36 diif £400. is that about right?
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Hellfire
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| posted on 23/9/05 at 05:16 PM |
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Do you mean 3.38? Does it have limited slip internals?
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IWantOne
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| posted on 24/9/05 at 08:32 AM |
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sorry...3.38...i believe its just a standard diff...the guy didnt say otherwise!!
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Hellfire
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| posted on 24/9/05 at 04:48 PM |
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If its just a standard open diff, I'd say it was expensive. If it has limited slip built in, I'd say it was reasonable.
You can buy a complete car with 3.38 diff for less than £100. Strip it, flog what bits you don't need and scrap the rest. (If you have the space
and the inclination)
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phelpsa
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| posted on 24/9/05 at 05:10 PM |
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15" wheels are definately better, especially on a BEC where the whole idea is less weight!
Mookaloid, you're just jealous
[Edited on 24-9-05 by phelpsa]
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mookaloid
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| posted on 25/9/05 at 08:20 AM |
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Jealous? me? never
It seems to me that us CEC users are looked down on by a lot of you BEC users, however I take great pleasure in using a 30 year old (boat anchor)
engine and making it go fast.
I think that bike engines are far too common nowadays, and I like to be different
So to you young Adam
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