Technical > Matt Shaff's Engine Shop

Piston ring end gap.

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dusterdave173:
I think he was saying Total Seal because they have widest selection of All types and best tech anywhere--I get all kinds of odd bore/ring combos from them --all std style stuff I Never ever use the Gapless that you are talking about--you are right Gapless rings are Voodoo unless you run on dirt track and eat dirt by the pound--in that application it keeps fresh ups a little further apart but otherwise I hate them--Leak down they look great on the dyno I have never seen a gain from Gapless

dreracecar:

--- Quote from: George on January 20, 2016, 05:26:41 AM ---Thanks guys. The block measures 4.133 to give the piston .008 clearance. Can I buy just the top ring somewhere?

--- End quote ---

 My combination was 4.135  because thats what the 400 block cleaned up at and when that block went away I bought a new Donovan alu block and to save money I had them install used sleeves that also cleaned up at 4.135.  Just started with a 4.140 ring package and then filed to fit.

Frontenginedragsters:
The Total Seal AP top ring is not gapless. Its stainless and works good on hard cylinders.

Matt

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