How important is ring gap with n2o?

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Aug 5, 2013 | 07:03 AM

Jc803

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From: Lexington, SC

How important is ring gap with n2o?

Making a plan for n2o. Just not sure about ring gap. Its for a LQ408, 11.1 comp ratio, and forged crank, rods, and pistons. But I dont know what the ring gap is. Assuming the rings are gapped for all motor, would it still be ok to spray? And if so how much?

Aug 5, 2013 | 10:06 AM

Meen95z

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I gapped mine at .019 and .021. And hit it for 3 years on 200hp not one issue. I figured after break in, the gap already opened up some. Just what I had good luck doing.

Aug 5, 2013 | 10:08 AM

Meen95z

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Might depend on how hard the rings are also. I used speed pro plasma moly rings.

Aug 5, 2013 | 05:46 PM

Jc803

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Hmmm. I wish I knew what the gap was and what type of rings.... only one way to find out I guess

Aug 7, 2013 | 12:13 AM

03EBZ06

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Quote:

Originally Posted by Meen95z

Might depend on how hard the rings are also. I used speed pro plasma moly rings.

x2; I have built at least two motors w/those rings and both times excellent results. Both engines were hit repeated with nitrous too.

To OP:
If you lean out the motor until its hotter than hell, its going to butt ring ends and game over no matter what gap. If you over adv spark ,it will just get beat up like a jack hammer hit it and break a ring land or rings themselves. too much spark and too lean = fail.

Low spark and medium AFR = last long time

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