Thread: Turbo install
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Old January 23rd, 2015, 09:39 PM   #50
swarfman64
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Name: Andrew
Location: Australia
Join Date: Jan 2014

Motorcycle(s): TURBO gpx250 99 CB250/500rs Sherco290 Trials Indian 1911big base (replica)

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Quote:
Originally Posted by garth285 View Post
Well if the VZ21's dont work out for us, I have seen some cheapo GT-15's for about 200 bucks.

I'm not giving up on the VZ21's though!
Shawn, Don't give up on the vz21 But...... when you push it, it just wont flow enough for much more than 50hp. I'm buying the gt1241z China made $240 bucks, There is good data on these and they are WAY better suited to this application. http://www.aliexpress.com/item/GT124...749301203.htmlAlmost twice the exhaust flow. Similar flanges and about 10mm longer. A pretty easy change to make.
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