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Conquest351
Conquest351 SuperDork
4/29/13 12:02 p.m.

What is the most powerful motorcycle engine in a production streetbike? Is it still the Hayabusa? ZX14R? Trying to get ideas for a bike engined car and want to start with a strong platform...

Grtechguy
Grtechguy UltimaDork
4/29/13 12:10 p.m.

Stock?

The BMW S1000rr is 179hp at the wheel.

motomoron
motomoron Dork
4/29/13 12:13 p.m.

Bang for buck, 08' up hayabusa.

More bang for buck if 170hp will do, pre 08' Hayabusa.

ZX14 has monster HP and no car-application support, ie. oil pans, headers.

BMW S1000RR was the big HP/light weight champ for the national caliber SCCA DSR cars 'til someone spent a million dollars developing a 670cc turbocharged, destroked Suzuki GSXR1000 powered car last year and was first car ever under 2 minutes at Road America at the runoffs.

Beer Baron
Beer Baron UltimaDork
4/29/13 12:24 p.m.

The latest Hayabusa makes 197hp, 172 at the wheel, and 102 or 98 ft/lbs of torque.

I'd say for a car application, look at crank power, rather than wheel power.

yamaha
yamaha UltraDork
4/29/13 12:26 p.m.

I'd say a first gen zx10 engine + small turbocharger would fit the bill quite nicely.

My friend has a zx10 and is in the process of trying to get one of the Muzzy's built turbo dragbike zx10's now. That one used to make 240 on the wastegate spring and up to around 500hp on high boost.

Grtechguy wrote: Stock? The BMW S1000rr is 179hp at the wheel.

Scary thing is, you can get upwards of 220 @ the wheel still n/a with that engine.....

Blitzed306
Blitzed306 Reader
4/29/13 12:36 p.m.

ZX14 would be the HP per mod winner IMHO

Conquest351
Conquest351 SuperDork
4/29/13 1:14 p.m.

So a boosted 'busa seems to be the winner. I'm looking at putting this combo in a Thunder Roadster and making it a fun track day car. Doesn't need to fit any rules or anything, just a safe open track day car that's insanely fast. Probably get a used car with whatever engine is in it and build the updated engine as I can and rack up seat time while I can.

e_pie
e_pie HalfDork
4/29/13 1:27 p.m.

Boosted 'busa engine would be my guess, seems you see those all the time so you'd probably have an easier time getting parts and support from forums and such.

Appleseed
Appleseed UltimaDork
4/29/13 3:13 p.m.

Desmosedici, if money were no object.

pinchvalve
pinchvalve UltimaDork
4/29/13 3:27 p.m.
Cotton
Cotton SuperDork
4/29/13 3:51 p.m.

The busa and zx14 will offer the best aftermarket, parts prices, and support. I love my k1200s (167hp stock/ the k1300s is 175hp), but finding performance parts for it, let alone getting any forum support, is a huge challenge.

bearmtnmartin
bearmtnmartin GRM+ Memberand HalfDork
4/29/13 4:15 p.m.

Conquest351
Conquest351 SuperDork
4/29/13 4:24 p.m.
bearmtnmartin wrote:

HA!!

No...

bravenrace
bravenrace PowerDork
4/29/13 4:59 p.m.

In reply to Conquest351:

Well yes and no. It may not be a bike engine, but it's definitely an engine on a bike, and you could/can buy them that way new.

e_pie
e_pie HalfDork
4/29/13 5:17 p.m.

I actually saw one one those V8 bikes this weekend. Looked pretty neat except the guy was a typical Harley shiney happy person revving the E36 M3 out of it for no apparent reason while passing through a quiet small town.

bearmtnmartin
bearmtnmartin GRM+ Memberand HalfDork
4/29/13 5:25 p.m.

When I was a kid I wanted an Amazonas. They were sold in Canada for a very short while. All the size and none of that good V8 power........

http://amazonas.50megs.com/

Actually I think its bigger than the V8 bike. True blue VW flat four if you didn't follow the link.

bravenrace
bravenrace PowerDork
4/29/13 5:32 p.m.

445 HP

http://www.bosshoss.com/view_bike.asp?x=BHC3LS3

Fueled by Caffeine
Fueled by Caffeine MegaDork
4/29/13 6:28 p.m.

Leno's turbine bike

Cotton
Cotton SuperDork
4/29/13 11:13 p.m.

the new Vmax is rated at 199HP.

yamaha
yamaha UltraDork
4/30/13 1:22 a.m.

In reply to Fueled by Caffeine:

There's 6 more where that one came from.......one sold at Mecum for under $40k.

carguy123
carguy123 UltimaDork
4/30/13 9:18 a.m.

http://triumphrocket.com/

They say it's the biggest most powerful motorcycle produced.

Swank Force One
Swank Force One MegaDork
4/30/13 9:38 a.m.

This uses a 1.8 litre Mazda V6... Where the 1.8 fits, the 2.5 fits. 200hp in stock form with the "ZE" variant, not a ton of work to make 240whp n/a, i'm shooting for 300whp n/a.

Boosted, the sky is the limit.

But i suppose this isn't really within the spirit of the thread.

dculberson
dculberson UltraDork
4/30/13 9:39 a.m.
carguy123 wrote: http://triumphrocket.com/ They say it's the biggest most powerful motorcycle produced.

Well, from that website:

Triumph claims 147 ft.-lbs. of torque at 2,500 RPM and 140HP at 5,750 RPM for the oversquare fuel-injected mill.

So while it's got a decent amount of torque it's way down on horsepower compared to a lot of bikes.

Gasoline
Gasoline Dork
4/30/13 9:59 a.m.

OP, The ZX-14 is todays undisputed King. Everything else (including the Hayabusa) is just that, everything else.

stroker
stroker Dork
4/30/13 10:34 a.m.
dculberson wrote:
carguy123 wrote: http://triumphrocket.com/ They say it's the biggest most powerful motorcycle produced.
Well, from that website:
Triumph claims 147 ft.-lbs. of torque at 2,500 RPM and 140HP at 5,750 RPM for the oversquare fuel-injected mill.
So while it's got a decent amount of torque it's way down on horsepower compared to a lot of bikes.

that torque would be nice to have for a street car but for a track car he'd probably want a 'Busa/ZX or something.

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