rerb Posted January 6, 2021 Posted January 6, 2021 What do people run for their skirt clearances for busa pistons in a 1216 bore? Machine shop wants to know, I think I saw something here of about .05 but can't find it again. Thanks. Quote
Blower1 Posted January 7, 2021 Posted January 7, 2021 I have run Busa pistons in my supercharged GSX on 0.05mm piston to bore clearance with E85 fuel. 1 Quote
kiwi Posted January 7, 2021 Posted January 7, 2021 19 hours ago, rerb said: What do people run for their skirt clearances for busa pistons in a 1216 bore? Machine shop wants to know, I think I saw something here of about .05 but can't find it again. Thanks. Normally aspirated or Turbo Quote
rerb Posted January 7, 2021 Author Posted January 7, 2021 41 minutes ago, kiwi said: Normally aspirated or Turbo turbski Quote
rerb Posted January 7, 2021 Author Posted January 7, 2021 (edited) 11 hours ago, Blower1 said: I have run Busa pistons in my supercharged GSX on 0.05mm piston to bore clearance with E85 fuel. That number sounds about right, are you sure its not 005 inches? 5 thou mm seems extremely small Edit: read it wrong, that's gotta be correct. Thanks! Edited January 7, 2021 by rerb Quote
mikeyd Posted January 8, 2021 Posted January 8, 2021 Top ring .0050 x bore. 2nd ring .0055 x bore. (In inches). Quote
mikeyd Posted January 8, 2021 Posted January 8, 2021 Or, Sixteen thousands first ring, seventeen thousands 2nd ring. Quote
rerb Posted January 10, 2021 Author Posted January 10, 2021 On 1/8/2021 at 2:09 PM, mikeyd said: Doh! Still good info! Quote
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