strip bolt holes. posted by starscream714 on January 30, 2011 at 01:26 PM
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replacing with studs wouldnt work very well, reason being is when putting on the upper plenum you need to manuver around the cowl in the back, if you had studs the plenum would hit the piece in the back of the engine bay before it would line up. thats just the way i see it though, i havent tried it on my z.