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 Blocks / Cranks/ Rods and Pistons
 Cast or Moly ring
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Rodgers25
Tribal Scout

10 Posts

Posted - 08 Jan 2016 :  10:10:27 PM  Show Profile  Reply with Quote
Hi,
I re-ring my engine, I don't know if I should go with cast iron ring or moly coated ones, I have check the bore, spec is 4,120 and I got 4,122 on the worst cyl, the engine is not going to be bore, I will just honed it with my stone (220 grit stone on it)

What do you recommand?

Blued and Painted
Chief PONTIAC

USA
3409 Posts

Posted - 09 Jan 2016 :  11:42:44 AM  Show Profile  Reply with Quote
Cast rings seat quicker on an old bore. I've used them many time's with good results. Daily driver applications.
Fresh bores normally use a chrome moly top ring.


Bull Nose Formula/ 461/ Q-Jet/
TH400/ 3.08 8.5 / R44TS.

Edited by - Blued and Painted on 09 Jan 2016 11:52:57 AM
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