Quote:
Originally Posted by gtengr
When you go to tighten the exhaust, get everything loosely into position (just a little bit loose, leave about 1/8" of play at each nut/bolt) and torque fasteners starting at the mid-pipe and working your way forward. The nuts at the cylinder heads should be the last ones torqued.
When you're finished installing the mounts and headers, leave it on jack stands with the under panels off and let the car run about 15 minutes, then let it cool off for a bit. Repeat a time or two then recheck all nuts and bolts.
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I have to do that datalogging stuff for my Delicious tune anyway, which IIRC starts with 15 minutes of idling, so I can use that as my "heat cycling/vibration" step before re-torquing everything and reinstalling the shields. The lockwashers suggested earlier also seem like a great idea, so I'll probably use those as well.
Quote:
Originally Posted by gtengr
If you're looking for some "while you're in there" parts, consider the sti trans mount and steering bolts/bushings.
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Yeah, I considered doing the trans mounts and some other things, but the cost is already running away from me with the STI mounts, and new O2 sensors, and whatnot, so I'm going to leave well enough alone for now!
I appreciate all the feedback! I'm feeling a bit more confident about this install. It's all going to come down to how rusty the existing bolts are. If it comes down to needing an angle grinder and stuff, then I'll probably just call it quits and visit a local shop. Fingers crossed it doesn't come to that!