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Discussion summary
YOUR RESEARCHXmas Project
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Set seems better value
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Read evidence and context
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Suggestion
No affiliation but this titanium set seems better value
Leading evidence: 'Set seems better value' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Set seems better value' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.
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Suggestion
use ally grease on the threads if you want them to ever come undone again .
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15 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
911uk: 1 discussions
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Snap. Although I've got no illusions so I'm calling mine a winter project :floor:
My C4S is currently garaged for the winter at my MILs. It's up on axel stands and all manifold bolts have been dressed with Plus Gas and ACF50. From the quick look I had a couple of weeks ago the manifold bolts didn't really resemble bolts. I may resort to gringing/cutting the heads off and trying to get the manifolds off leaving a decent stud length to have a go with a stud extractor or having a bit of thread visible to get a Stomski jig fitted. I'm probably going to have to remove the comlete exhaust. I'll keep people posted.
Mark
my manifold bolts look very crusty and I will no doubt have sheared ones (hopefully not all) to deal with. I went with the £150 "revered engineered" Chinese manifolds from EBay and Topgear 200 cell cats and "mild" sports back boxes.
my manifold bolts look very crusty and I will no doubt have sheared ones (hopefully not all) to deal with. I went with the £150 "revered engineered" Chinese manifolds from EBay and Topgear 200 cell cats and "mild" sports back boxes.
Ebay manifolds for me to, they appear to be good quality, well made and good welding. I did a crude leak test on them just to be sure. All OK. My back boxes (PSE) were removed in February for seam welding and new mounting hardware fitted so they should come off without to much effort... I hope. I've got new M8 titanium studs and nuts for fitting the new manifolds, so that should future proof things.
Ti studs look expensive to me, I'm going with S\S bolts (screwfix's finest). Interestingly I bought the cats and back boxes from "Directfixexhausts" but supplied from Topgear cheaper than buying directly from Topgear
That's good value for Ti! Good thing about the stud and nut approach is that if the stud does seize in the head it's of little worry as the Ti stud to nut will not seize. Same sort of goes for a stainless stud and nut approach
There are many different grades of titanium bolts ..
https://www.extreme-bolt.com/blog/t...ng-the-best-grade-for-your-tough-application/
Rule of thumb when fitting any of them though .. use ally grease on the threads if you want them to ever come undone again .
Thanks Ian. Would you use ally grease on exhaust studs like these or ignore and let them corrode into the head, and rely on the nut for future manifold removal?
That's a very good point, trying to drill s\s or Ti snapped studs would be a absolute nightmare. Maybe steel studs with copper flashed nuts would be a better choice (after all the OEM bolts have lasted 21years).
I'm still favouring S\S bolts.
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