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what size turbo for a v-twin

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Old 01-10-2005, 08:42 PM
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Default what size turbo for a v-twin



My bro has a bike shop in fla., and wants to build a turbo harly, any ideas on turbo size for a 88 to 96ci v-twin motor w/ 9 to 1 comp. and about 80hp.
looking for another 50 to 80...
He did a bike called black death w/ a thunderbird supercoop supercherger on it w/ a 144ci (yes 144ci) drag motor he converted for the street. It did 289rw on the dyno, but was tuned down to about 200 for rideability.
Old 01-10-2005, 09:02 PM
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I Dont know maybe a K03 its good for a bar or so an a 1.8, how many liters is that?
Old 01-12-2005, 07:16 PM
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Originally Posted by ta12sec
I Dont know maybe a K03 its good for a bar or so an a 1.8, how many liters is that?
1.8L = about 110ci I think
Old 01-12-2005, 09:21 PM
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http://www.rbracing-rsr.com/harleyturbos.htm
Old 01-15-2005, 11:28 AM
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Originally Posted by XJGPN
I'll give it a shot... but first I need some info...
1) How high will he rev it?
2) How much boost does he want to run?
3) Will it be intercooled?
4) What are his power goals?
5500

12 pump gas 15 to 18 100 oct

yes i/c

stock is about 65 to 70 I think, looking for 80% more power on pump.
= 115 to 120ish

I was looking at garrtt gt15?
Old 01-15-2005, 11:37 AM
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Their is a busa video somewere in the multimedia exchange, if i am correct thats a 1300cc bike with a turbo + nitrous i think and its putting out close to 500 hp or something close to that. Not sure if thats with or without nitrous.
Old 01-17-2005, 07:18 AM
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Holeshot racing over here in the UK build and sell Busas with over 450bhp to bike and car owners. they use Mitsubishi turbos, but i dont know what they are off. dont think they are from the EVO.

96Ci give you about 1.6ltr. on a 1.6 8valver over here i would say a Garrett T2 or a T3 any bigger and the thing just wont spin.

thanks and hope this helps some,

Chris.
Old 01-17-2005, 02:40 PM
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i would say try a t25 turbo or smaller. The t25 is what comes stock on a Turbo'd Eclipse. Its quite a small turbo and can handle boost well.
Old 01-18-2005, 07:37 AM
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Link to a V-Twin Turbo Kit http://www.dragbike.com/dbnews/templ...d=944&zoneid=5



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