Header/manifold bolts
#1
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Header/manifold bolts
Hey guys, my 2001 Silverado is about to get a set of Cal-speed lt's installed when they get here. I've had a lot of people tell me that the stock exhaust bolts are probably going to break taking them off. Anybody know a technique to prevent this? I plan on soaking them with PB Blaster over night at least.
#2
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Soak the bolts in some PB blaster the day before and when you start to take them out. Take it slow and try not to force it too much. I would recommend getting some new bolts or better yet some studs. I used these
LS1 HEADER EXHAUST STUD KIT- S/S | eBay
Had em on for the past 8000 miles with no issues.
LS1 HEADER EXHAUST STUD KIT- S/S | eBay
Had em on for the past 8000 miles with no issues.
#4
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i was told the same thing. friday night we put LTs on my 99 4.8 and on a friends 03 5.3 and we both had no problems i will say this, we had to take the little heat shields off the fire wall. just a heads up. best of luck to you and enjoy the the headers !!!
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#9
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when I did my motor swap 1 header bolt broke and 2 more were already broken. The lq4 had 2 bolts broke 1 i heated up with a mapp gas torch and was able to grab with some pliars the other i had to drill out. I would be scared to do a header swap on a high mileage truck. I swapped to all grade 8 bolts and plenty of antisieze
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Like said, soak them with some good penetrating oil. Next that has worked for me in the past, is to let the truck run a few min's prior to trying to take them out.