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Got the manifold mounted, torqued it to 35 ft lbs. Painting the first part of the exhaust pipe at the moment with VHT paint. I'll save the rest of the exhaust for a later date. Sent from my SM-G900V using Tapatalk

Finally got the last bolt out! Got to do one last cleaning, then check all the ports for trash with my bore scope. Hoping she'll be running for the weekend! Sent from my SM-G900V using Tapatalk

I'm on my last broken bolt. I've only been working on it 2-3 hrs a night, got lots of other stuff to do you know! Sent from my SM-G900V using Tapatalk

So these bolts are fairly soft, so I'm thinking the were grade 5 stuff. But man are they rusted in there. I'm going back with grade 10.9 so next time I can just hit it with the 3/8 impact! Sent from my SM-G900V using Tapatalk

The troughs around the bolts were holding dirt, sand, salt, water, etc..... leading to the erosion of my bolts. Just got the manifold back from the machine shop. Sent from my SM-G900V using Tapatalk

I agree, I always run into problems any time I have to use typical stainless hardware. Normally they're soft and gall quickly. Ford oe exhaust fasteners run a little different alloy. Manifold studs normally have enough nickel in the make up to prevent some rust. While the manifold to pipe...

So I finally found some grade 10.9 (8 equivalent in standard) the right length at Lowes of all places. $2.10 in packs of 2 I haven't got started on the broke off ones yet, but I don't see it being a problem. I have plenty of good sharp drill bits and a set of extractors. I knew with the amount...

No spec listed for that part other than size.

I've got the exhaust manifold pulled off my 923 to repair a exhaust leak and I need to replace the bolts. Does any one know what grade bolts they were? Mine are rusted on the cap so I can't read them. They are metric, m10x1.50x70mm I can only find them in grade 8.8 (grade 5 equivalent ) unless...