Forcedbird

I just noticed that it said in the service manual to replace the exhaust manifold nuts when installing the exhaust manifold.

Problem is that I noticed this after I already mounted the exhaust manifold and turbo (PTuning using V-band).

How many of you guys actually replaced these nuts when you installed your turbo manifold?

Should I replace them?

Thanks

s2000442

You should be fine but I would have gone with arp studs and bolts for extra insurance. I have had good luck with them so far

ftpsk8

I replaced mine because I heard of a few people having issues with the stock ones when mounting a turbo + manifold. I just did it to be safe so I don't end up with a broken stud down the road. If its not too difficult to take off your manifold and turbo I'd just replace em.

o'malley_808

Yeah wouldn't be a bad idea replacing the studs with ARP ones. I know a couple of my OEM ones broke in the block. Wasn't fun.

DFWs2k

Arp here as well

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Forcedbird

Thanks for the info. Where is the best place to buy ARP studs and nuts besides their website?

Did you remove the studs using the "double nut jam" method?

DFWs2k

Got mine with turbo kit. Yes to double nut, was way easier than I thought it would be.

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D1sclaimer

Ebay.

05TurboS2k

Reused em probably 10 times or so now. They're still fine. A recent buddy lost his motor so I've got his now used only once.

I only doublenut to remove a stud, haven't had an issue otherwise. Though it's good solid practice and works perfectly on this application. If I did have a problem with them coming loose it's what I'd do to solve it.

05TurboS2k

If a STUD breaks in the car it should be no big deal, studs are inserted just hand tight.

Use assembly lube (they greyish metal looking stuff) which has aluminum powder in it, in extreme heat it'll hold up and allow for easy extraction of studs when/if needed. This is good practice on all exhaust components.

Oh and don't bother with any kind of loc-tite on exhaust parts, around 480*F that stuff fails. Just in case someone got that wild idea.