rerb Posted January 6, 2021 Share 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 Link to comment
Blower1 Posted January 7, 2021 Share 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 Link to comment
kiwi Posted January 7, 2021 Share 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 Link to comment
rerb Posted January 7, 2021 Author Share Posted January 7, 2021 41 minutes ago, kiwi said: Normally aspirated or Turbo turbski Quote Link to comment
rerb Posted January 7, 2021 Author Share 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 Link to comment
mikeyd Posted January 8, 2021 Share Posted January 8, 2021 Top ring .0050 x bore. 2nd ring .0055 x bore. (In inches). Quote Link to comment
mikeyd Posted January 8, 2021 Share Posted January 8, 2021 Or, Sixteen thousands first ring, seventeen thousands 2nd ring. Quote Link to comment
Gixer1460 Posted January 8, 2021 Share Posted January 8, 2021 OP didn't ask about ring gap! Quote Link to comment
rerb Posted January 10, 2021 Author Share Posted January 10, 2021 On 1/8/2021 at 2:09 PM, mikeyd said: Doh! Still good info! Quote Link to comment
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