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Cast rings for nos

General engine tech -- Drag Racing to Circle Track

Moderator: Team

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rocketracer380
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Posts: 270
Joined: Fri Jun 20, 2014 8:41 am
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Cast rings for nos

Post by rocketracer380 »

Any body use cast iron rings with nos or should I use moly faces rings 200 shot
Nut124
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Posts: 115
Joined: Wed May 06, 2020 10:44 pm
Location: Michigan, USA

Re: Cast rings for nos

Post by Nut124 »

Get a steel top ring. I got mine from Total Seal. $$$ but worth it to me.
engineguyBill
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Joined: Fri Feb 26, 2010 11:15 am
Location: Gold Canyon, AZ

Re: Cast rings for nos

Post by engineguyBill »

Ditch the cast iron rings and use steel or ductile iron top ring with NOS. Grey ion second ring will be fine, but the top ring is critical.
Bill

Perfect Circle Doctor of Motors certification
SAE Member (30 years)
ASE Master Certified Engine Machinist (+ two otherASE Master Certifications)
AERA Certified Professional Engine Machinist
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