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34bhp = how much hp ? :P
https://www.ausmini.com/forums/viewtopic.php?f=2&t=3938		 Page 1 of 3
Author:  Coop [ Mon Jan 10, 2005 8:42 pm ]
Post subject:  34bhp = how much hp ? :P
just wondering if a mini 848cc engine produced 34bhp how much does it produce in hp
and if u can how mcuh rear wheel hp ?
i imagine not much lol
Author:  Morris 1100 [ Mon Jan 10, 2005 8:46 pm ]
Post subject:  Re: 34bhp = how much hp ? :P
Coop wrote:
just wondering if a mini 848cc engine produced 34bhp how much does it produce in hp
and if u can how mcuh rear wheel hp ?
i imagine not much lol


rear wheel hp = 0
Author:  min13k [ Mon Jan 10, 2005 8:50 pm ]
Post subject: 
morris the 849cc also come out as a rear hoffer befor a front runner
haw haw haw haw
makka
Author:  brickworx [ Mon Jan 10, 2005 8:54 pm ]
Post subject: 
You would be lucky to have 18 true hp at the front wheels.
Author:  Coop [ Mon Jan 10, 2005 9:09 pm ]
Post subject: 
ah ok and yeah sry i forgot thast they were front wheel drive lol so 18 hp huh ? damn would that even get it up a steep hill ? the orignal mini weighed like 1200kg's didnt it ?
Author:  min13k [ Mon Jan 10, 2005 9:10 pm ]
Post subject: 
780 i think is closer to it
makka
Author:  mickmini [ Mon Jan 10, 2005 9:29 pm ]
Post subject: 
power is plenty to get up hills if the rings are ok :lol:

original weight is more like 600kg. there is absolutely nothing in them. windy windows and other stuff make deluxe/cooper etc about 630kg. my mini minor was always 630kg on the rego cert.
Author:  Morris 1100 [ Mon Jan 10, 2005 9:32 pm ]
Post subject: 
My 1275LS was 660kg on the rego papers.
My Cooper S was 660kg on the rego papers.

Maybe the RTA can't tell the difference!
Author:  mickmini [ Mon Jan 10, 2005 9:38 pm ]
Post subject: 
its the heater, the boot board, extra tank, hydrolastic (hell there must be 20kg fluid there!) for the cooper s

fancy high back seats, dash, belts and pollution gear for the LS

that's what i reckon anyway
Author:  gafmo [ Mon Jan 10, 2005 9:47 pm ]
Post subject: 
Coop the 850 can ove bam nicely if it set up nicely...But
a 100 will do better and a 1275...+ will do make you smile :D
Author:  supercharged 850 [ Tue Jan 11, 2005 3:21 am ]
Post subject:  Re: 34bhp = how much hp ? :P
Coop wrote:
just wondering if a mini 848cc engine produced 34bhp how much does it produce in hp
and if u can how mcuh rear wheel hp ?
i imagine not much lol


bhp = hp .... one and the same.

Yeah its still good usable power....... With 18HP at the wheels, my old 850 still hit 90MPH (thats off the clock 8) ) Gotta be happy with that.

At the end of the day, its all about the power to weight ratio.

A tuned 1275cc mini (610kg with 100hp) has the same power to weight ratio as the current model 5.7Litre Commodore (1654kg with 335hp) ..... both need to push 6.1kg per HP. Its the amount of torque produced that makes the difference.

MY question would be ...how much PS would that be? All these Jap cars are getting rated in PS now...... Im guessing thats different to HP :? What's the HP -> PS conversion formula?
Author:  Angusdog [ Tue Jan 11, 2005 5:17 am ]
Post subject: 
Multipy the horsepower by 1.0141685309470546 to get PS (Pferdestärke).
It's apprently metric, but so close to HP that you gotta wonder why they bother.
Author:  drmini in aust [ Tue Jan 11, 2005 6:01 am ]
Post subject: 
Angusdog wrote:
Multipy the horsepower by 1.0141685309470546 to get PS (Pferdestärke).
It's apprently metric, but so close to HP that you gotta wonder why they bother.

Obviously they used a Metric sized horse! :lol: 8) :shock:
Author:  Coop [ Tue Jan 11, 2005 11:15 am ]
Post subject: 
yeah ok then, well im going to rebuild a 850, and just wanted it to have a bit more torque, low end torque say 1500-3000 rpm, within the engine would creating more torque be helped by changing the cam to a more "lumpier" profie. ? also i was thinking of fitting dual SU carbs ? is there n e thing better than the su carbs for enhancing the engine ?

regards steve
Author:  mickmini [ Tue Jan 11, 2005 11:40 am ]
Post subject: 
i have a 850 that i am about to rebuild as well. Biggest problem you will have is getting rings and pistons. especially if you need to bore it out. If you are going to get a few blocks, use the one that does not need a rebore so you can stick to the original pistons, Karcraft still has standard rings available. Otherwise you might have to creative and start looking at other pistons.

biggest help for torque will be extractor exhaust, which you can get complete for a few hundred bucks. then if you get a head like a 12g202, the flow in the ports will be freed up immensly, but you have to skim it to get the compression ratio back. 12g295 head is probably overkill for 850, but it all depends on what you want. Twin SUs will only be worth it if you get the head and cam changed IMO, but are good for bling factor. Apparently the 850 sports had twin 1" sus, and extractors, normal cam and claimed 40hp. That is almost 25% increase. :shock: You could probably still get that with a single 1.25" su.

the previous owner of my 850 claimed that the cam was reground to "997 cooper" spec. When i start to pull it apart i'll measure the thing to see if that is correct. The rings were absolutey rooted, so i can't comment on how much improvement it made over standard. :cry:

The vizard book has some great stuff about modifying the 850, but is typical of the attitude that still prevails -i.e. why waste your time with an 850 engine when you can modify a 998, 1098 or 1275 ... as a consequence the supply of parts for 850s is almost non existent. Having said that he gives all the details on what is possible. The biggest limitation to a modified 850 is the pistons. He reckons 5500 rpm is about it for standard pistons (from memory). the cranks are not as strong as other engine sizes either so that is another limitation.

good luck with trying something different tho

michael
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