Thread: 400 SBC build - Ring gap ???
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03-29-2007 11:20 PM #1
400 SBC build - Ring gap ???
Hey guys i got a 400 bored .060 over currently. I just got it back from the machine shop. I slapped down the $175 to get it balanced, hehe. but anyways what I'm here to ask is what do you guys think I should set my ring gap at??
Its a street driven truck, and my combo should produce at least 425 HP and 525 TQ
Thanks!
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03-29-2007 11:40 PM #2
Follow the piston manufacturers recommendations to the letter. It all depends on the construction of the piston. If you didn't get instructions with the pistons/rings, call or email the manufacturer.PLANET EARTH, INSANE ASYLUM FOR THE UNIVERSE.
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04-02-2007 08:50 AM #3
Stick with "tech"s answer. The bigger the bore, thickness and material the rings are made of will control greatly how mauch expansion and sealing control you will experience. You definitely don't want end gap "butt" or undo ring movement during piston speeds under operation.
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04-02-2007 02:56 PM #4
Originally Posted by facemelter
Make sure you have good head gaskets,make sure the block and heads are square,have a good cooling system and say about twenty "Hail Mary's."
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04-02-2007 07:48 PM #5
Originally Posted by erik erikson
do you guys think it would be having any cooling problems?
thanks
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04-19-2007 09:46 PM #6
Originally Posted by facemelter
PLANET EARTH, INSANE ASYLUM FOR THE UNIVERSE.
John's ride to the cemetery, his beloved Billings OK bus, The Baby Elephant!! Traveling in style!! - -
John Norton aka johnboy