hotcoupe Well-known member Sep 26, 2010 #1 i`m re-building a 239 c.i. engine and i want to use viton o rings on the intake guides. does anyone have a source for these, and what size do i need to order. thanx.
i`m re-building a 239 c.i. engine and i want to use viton o rings on the intake guides. does anyone have a source for these, and what size do i need to order. thanx.
J JWL Member Emeritus Sep 26, 2010 #2 I have used 4X18 mm and 4.5X18 mm. Either seal it fine. The 4.5 are slightly tighter.
hotcoupe Well-known member Sep 26, 2010 #3 jwl, thanx for the prompt reply, do you have a source for these?
Zeke...PA Well-known member Sep 27, 2010 #4 For the 4X18mm, McMaster-Carr pkg of 10 are about $12. I have not been able to find the 4.5X18 Zeke
