Up-pipe bolts
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I hate to bring up an old thread but I had some questions about this. Has anyone used something other than OEM? I was thinking grade 8 fine thread. I know they are hard, but can they take the heat? The EGT's can get as high as 1200 deg. I thought I saw NAPA had these.
Thanks for your input.
Thanks for your input.
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Pictures of my ipr gen 2 in this thread. ( https://www.ford-trucks.com/forums/s....php?t=1225728 )Yes it came with everything but the up pipe bolts were a pain.
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Pictures of my ipr gen 2 in this thread. ( Anyone have the IPR Gen2 EGR delete? - Ford Truck Enthusiasts Forums )Yes it came with everything but the up pipe bolts were a pain.
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Thanks
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I checked Tousley for prices on the #'s listed above. They are pricey, just for nuts and bolts.
Years ago I mounted an exhaust pipe to manifold on an old Chevy truck. I was young and had some 316 stainless laying around so I thought it won't rust, perfect. I could not understand why the nuts kept coming loose. I guess the two metals expand/contract at different temps.
So I guess the question is do the grade 8 steel bolts expand/contract with high temps?
Thanks for your input.
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Years ago I mounted an exhaust pipe to manifold on an old Chevy truck. I was young and had some 316 stainless laying around so I thought it won't rust, perfect. I could not understand why the nuts kept coming loose. I guess the two metals expand/contract at different temps.
So I guess the question is do the grade 8 steel bolts expand/contract with high temps?
Thanks for your input.
.
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I checked Tousley for prices on the #'s listed above. They are pricey, just for nuts and bolts.
Years ago I mounted an exhaust pipe to manifold on an old Chevy truck. I was young and had some 316 stainless laying around so I thought it won't rust, perfect. I could not understand why the nuts kept coming loose. I guess the two metals expand/contract at different temps.
So I guess the question is do the grade 8 steel bolts expand/contract with high temps?
Thanks for your input.
.
Years ago I mounted an exhaust pipe to manifold on an old Chevy truck. I was young and had some 316 stainless laying around so I thought it won't rust, perfect. I could not understand why the nuts kept coming loose. I guess the two metals expand/contract at different temps.
So I guess the question is do the grade 8 steel bolts expand/contract with high temps?
Thanks for your input.
.
All metal expands and contracts with heat/cold. You will have to compare the metallurgy of the up pipe/turbo to the bolts. Most regular bolts are Nickel or Cadmium. Some are galvanized but those are not popular, especially in my shop.
Typically regular steel and Aluminum are pretty close to the bolts.