View Full Version : What type of header bolts and gaskets should i get?
09-25-2006, 12:24 PM
I have a 5.3L/323 Chevy Silverado and i just bought some gibson stailess steel silver ceramic coated shorty headers (GIB-GP115S-C). I dont want to have to worry about header bolts backing out but im having trouble finding them. Can someone give me an ARP part number or a good enough description that i can find them on my own. Im not sure what they are called but ive heard people descibe them as having a "x" or cross on the end of the bolt. If anyone could help me find some good bolts i would really appreciate it.
I also have heard of people doubling up on the gaskets. Is this wise to do b/c i was planning on getting new heat resistent gaskets and am wondering now if i should get two pair. If anyone has had really good luck with a certain pair please feel free to comment.
Any help would be appreciated.
Thanks in advance
09-25-2006, 12:26 PM
I used the gaskets that came with my Gibson's, never had a leak.
09-25-2006, 12:33 PM
Stage 8 bolts or Breslin split-lock fasteners...either one.
09-25-2006, 12:59 PM
i like those breslin bolts but when i was going through summit it didnt show them available for my truck. Are header bolts pretty much universal or does the engine make a difference. I have a 5.3L/323 if it makes a diffence.What other places can you buy these things besides jegs and summit?
09-25-2006, 12:59 PM
those breskin locks....look good but am very wary of allan bolt siezeing/rusting inside the header bolt to the point you cant get allan screw out and causeing a major headache...any feed back from anyone thats had these on for little while plz
09-25-2006, 01:00 PM
These should be pretty much the same. You can buy those just about anywhere you can get performance parts.
09-25-2006, 01:12 PM
I just tighten the header bolts up when the engine is hot. I haven't touched mine in 6 months. But the collectors are another story.
09-25-2006, 01:17 PM
what about the stage 8 bolts and fasteners...anyone had those a while and have any problems with them? And a second question...is it even worth getting some bolts that dont back out...do you really have to tighten the regular bolts that often?
09-25-2006, 02:51 PM
I am using the bolts that came with my Thorley headers.... haven't had any problems with the bolts that hold the headers to the block at all. I've only had to retighten a collector bolt once -- don't know why it came loose in the first place. :crazy:
09-28-2006, 10:26 AM
I've noticed that motors with a 'solid' hung exhaust system, tons of torque and a lead foot have a tendacy to losen bolts because of the added pressure put on the bolts.
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