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Types Of Rings https://slantsix.org/forum/viewtopic.php?t=27367	Page 1 of 1

Author:	oklahoma joe [ Sat Feb 23, 2008 6:26 am ]
Post subject:	Types Of Rings
I AM TRYING TO DECIDED WHICH TYPE OF RINGS TO USE. I HAVE REBUILT A FEW ENGINES IN THE PAST AND HAVE ALWAYS USE CAST IRON RINGS BECUASE I HAVE BEEN TOLD THEY SEAT BETTER THAN THE OTHERS. HOWEVER I AM THINKING ABOUT USING THE MOLY RINGS THIS TIME FOR BETTER LONGEVITY. I JUST DO NOT WANT THE ENGINE TO BURN OIL WHEN I AM DONE DO TO RING CHOICE. WHAT DO YOU GUYS USUALLY USE AND DO YOU HAVE ANY RECOMMENDATIONS? I PLAN ON USING THE ENGINE FOR DAILY DRIVING AND IT IS BEING LEFT STOCK INTERNALLY EXCEPT FOR SOME MILD PORT AND POLISH WORK. I HAVE HAD THE BLOCK BORED AND HONED AND THE MACHINIST SAID I COULD USE EITHER RING TYPE BUT IF I USED MOLY TO MAKE SURE TO USE A BREAK IN OIL??? AND DO A SPECIAL BREAK IN PROCEDURE. I HAVE HEARD THE BORE FINISH CHANGES WITH DIFFRRENT RING TYPES IS THIS GOING TO CAUSE A PROBLEM IF THE BORES ARE FINISHED TO A DIFFRENT SURFACE NOW THEN THE RING I CHOOSE. I MAY WANT TO TRY A TURBO WITH THIS IN THE VERY FAR FUTURE BUT NOT AT THIS TIME, THE TURBO WOULD BE SET FOR LOW BOOST UNDER 10 PSI FOR MILAGE AND MODEST POWER. JOE

Author:	66aCUDA [ Sat Feb 23, 2008 6:30 am ]
Post subject:
Either is fine. Your friend is right about cast rings sealing quicker. I will be using Molly on most of my builds and would not hesatate to use it for a DD. Frank

Author:	oklahoma joe [ Sat Feb 23, 2008 6:41 am ]
Post subject:
I take from your name you have a 66 cuda. I have a 64 cuda that I puchesed about 2 months ago and have stripped down to the body. I am starting the process of fixing the floor board and doing body work and the engine of course. This is my first mopar to work on but so far I like the car and it seem to be pretty well built and designed. It has been owned by some teen adges and has had some intresting combinations of parts put on it but it is mostly there and has not been cut up which is good. If you have any pointers on the car I'll take them. joe

Author:	66aCUDA [ Sat Feb 23, 2008 6:52 am ]
Post subject:
Joe If you look at my signature line You will see MY cars. Wife has Dusters 73 race and 74 future DD. Im currently working on getting my 66 on the road now (I need to have it finished by early April). I have a 66 parts car so if you need anything let me know. My plans are rebuild floor pans, engine and trans, rewire, front disc conversion/brake job and gas tank seal/reseal or replacement. I will send out the seats for recovering while doing the floor pans. IF I have extra time I will start some of the body work(Yeah right). Frank

Author:	Joshie225 [ Sat Feb 23, 2008 8:45 am ]
Post subject:
Moly lasts longer than plain iron as it retains oil better. That's the #1 benefit. The drawback is if you get detonation is you can blow the moly off the ring. If you're serious about turbocharging this engine and will not be replacing the rings I'd use plain cast iron rings. You can get long life out of plain iron rings. The #1 ring killer is excess fuel washing oil off the rings and cylinder walls. No flooding allowed! If the engine doesn't get up to operating temperature fuel will condense on the cylinder walls. Running without an air cleaner will trash the cylinder walls and rings. So, make sure the carburetor (choke included) functions properly, the engine doesn't run cold and has an adequate air cleaner.

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