Thread: Turbo install
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Old February 12th, 2015, 03:13 AM   #96
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)

Posts: 138
For this build I'll leave the std rubber joiners, for simplicity. I believe that around 6.5:1 is a good place to be for high boost, that's what I'd like to do but clearly money will play a roll. To decompress that much to run high boost means GOOD pistons with enough material to shape and quality rods. Also intercooling of some kind. 75hp is nearly 5hp/cui. going beyond that is big dollar stuff. How my second build goes will be dictated by cash, time and my machining ability.
Thanks to everybody for there input. It's nice to see some interest in these engine projects.
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