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73-87 Chevy _ GMC Trucks => Engine/Drivetrain => Topic started by: Senck243 on May 06, 2017, 07:25:52 pm

Title: 87 r10 350 exhaust manifold plug
Post by: Senck243 on May 06, 2017, 07:25:52 pm

Passenger side smog tube by number 2 cylinder. It was deleted by previous owner, but just cut and pinched closed. Seems to be 5/8 18 thread but can't find a plug for it. Any help is appreciated


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Title: Re: 87 r10 350 exhaust manifold plug
Post by: nuknuk on May 07, 2017, 07:16:17 pm

I used a penny to plug mine.

Title: Re: 87 r10 350 exhaust manifold plug
Post by: srozell on May 09, 2017, 12:36:06 am

I've seen guys use brass plumbing fittings from Home Depot and just cross-thread them in there somehow.