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06-07-2010
I'm installing headers in a few days and I think I'm going to have problems with a cross threaded bolt. I'm just going to drill the treads out and install a longer bolt with a nut on it. I'm wondering what size the bolts are that bolt the downpipe to the catback.
06-08-2010
10mm IIRC.
06-08-2010
I thought they were 13mm?
06-08-2010
I was thinking 15mm, but I think they are 13mmOriginally Posted by Ibwrong
06-08-2010
Just checked, on mine they are 13mm
06-08-2010
Mine are 14 and also not very stock.
06-09-2010
thanks for the responses. So my next question would be do I drill out the f'ed threads and install a bolt with a nut in it's place or do I just use a smaller diameter bolt to clear the threads and install a nut with a stack of washers?
06-09-2010
threads? That thing is threaded?
It just looked like two massive holes you stick bolts in to hold them together to me...
06-09-2010
Oh its threaded, when I took mine off I didnt use any PB Blaster and it took us close to 30 minutes to finally break those damn things loose.
06-09-2010
The head on the nut is 13mm, but the stud is 10mm which is what you want to know when drilling out and replacing.
06-09-2010
Totally miss that sir... should read the whole question before replying.
06-09-2010
the manifold bolts are 5/16-18 for sure I just tried them.
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