Exhaust studs vs bolts 9 grade 8x1. They relax and lose the temper when hot and then only serve as a flat washer. There are no accessories or brackets attached to any of the studs. Dec 13, 2017 · I used 2 automotive studs from Ace hardware (m8x1. with a frozen bolt, there's no way to heat it, and it would twist off, requiring a lot of drilling, tapping, inserting, and often ruining the head in the process. Oct 29, 2022 · You can use never seez on exhaust manifold bolts. Apr 27, 2013 · Stainless stubs whereever possible and always leave the bolts to last and screw in with fingers,headers rest on studs makes easier to line up bolts. I recently worked on a 1938 Bantam for a friend. The primary different I know of between studs and bolts is that when you torque a bolt, you're actually twisting it along its primary axis. Aug 31, 2003 · All Activity; Home ; Older Generations of Subaru's 1960-1994 Except Legacy and Impreza ; Old Gen. So I have to buy new bolts or studs. 25 x35mm bolts on the old resurfaced manifolds? Jul 4, 2011 · Purpose: To explain the importance of using the correct bolts/fasteners when installing/servicing your headers/exhaust system. 9L it was simply not possible to get the driver's side rear pipe on or off with studs still in the head. Oct 15, 2015 · Steve is correct, the only reason for the studs VS. After the rest of the stage 8 bolts went in I pulled the studs out and replaced them with the remaining stage 8 bolts. Does this provide a Apr 1, 2016 · 1999 to 2016 Super Duty - exhaust studs vs bolts - It is my turn to do exhaust studs(2V V10)has anyone had better luck going with 10. The turbo is then bolted to another cast iron bit of exhaust, essentially like it was put in the middle of a normal exhaust manifold, then that second bit bolts to the down pipe with Dec 8, 2023 · As expensive steed speed manifolds are, I’d hope the come with mounting hardware. I decided to save money and substituted the BMW exhaust manifold/exhaust bolts for some Grade 8/M10-40 at my local fasteners shop. Feb 25, 2019 · I have a 71 B body, 383, PS and 516 heads. Currently there is a big problem with aluminum heads and exhaust manifold bolts snapping off flush in alot of vehicles so why take a chance on it,some places youve got to use a bolt but only there. Jun 14, 2022 · First, studs are more resistant to shear force than bolts, meaning they are less likely to loosen over time. bolts, and tips on achieving proper clamping loads Dec. : 80's GL/DL/XT/Loyales exhaust studs vs bolts May 13, 2017 · Exhaust manifold bolts will need to retightened occasionally. Background: I installed my headers about a year ago. The answer, invariably, depends on the installation. 25) for the install to hang the gaskets and header on each side it made it easy to line everything up and keep the gasket in place. Orget headers. Mar 6, 2023 · Exhaust manifold studs are superior to bolts in several ways. The exhaust manifold temperature could go up to 1200 degrees under the max load. All the rest of the motorcycle has threaded socket top bolts, etc except the exhaust manifold. Always use Never Seeze on the threads, don't use lock washers and check and retighten the bolts often. If you use studs with brass nuts even if the studs rust the softer brass nut releases without to much problem. Do not bother to use split lock washers on the bolts. During this time I also moved to a new house. They do corrode, but just surface (400 series?) They are very strong too. I overhaul B series Cummins engines regularly and find the exhaust manifold bolts and turbo studs come right out with hand tools after 20+ years and lots of miles. Post Mar 20, 2023 #1 2023 Exhaust Bolt/Stud - 32109. at least with studs, you can heat the nut and remove it, and it's fine if the stud just stays in the head like it's supposed to do. Putting car back together and the heads came with studs to mount the exhaust manifolds. Even with O2/Acetylene tourch heating, hammers, pullers, penetrating oil, cussing and swearing, 4 studs broke with 3-5mm exposed. It took me buying 3 manifolds to find a good one that would work. I was changing my headers and the stud threads got stripped when I tried to torque it to 88 ft lbs. Second, they allow for thermal expansion of the exhaust manifold, which can cause cracking and leaks over time. Mar 13, 2011 · T4 exhaust manifold bolts grade 10. Apr 5, 2018 · On a 1. One thing you want to check before you start is that the flanges on the new exhaust manifold are the same thickness as the flanges on the intake. I packed the manifold bolts, studs, washers and May 12, 2013 · I don't need the locations of the studs vs. 9 vs 8. The previous owner took out the studs that hold the head to the block and used bolts Dec 20, 2011 · Engine studs: Understanding the advantages of using studs vs. 20, 2011 In far too many cases, the engine builder’s attention focuses only on selection of the proper components for a specific engine build, determining proper clearances, intake and exhaust volume and flow, surface finishes Aug 8, 2011 · The cast iron exhaust manifold is on studs, the exhaust manifold is REALLY short and bolts to the turbo. Mar 2, 2003 · Stud vs bolt: ARP®’s factory Tech Representatives are often asked which is better, cylinder head studs or bolts. Limited Lifetime Warranty. I have seen in a number of threads where people replace the studs with bolts. 7 with super good compression and leakdown numbers had/has REALLY brittle exhaust studs. I will be installing headers and wonder if it is a better idea to remove the studs for a easier install Mar 10, 2021 · C6 Tech/Performance - Header studs vs bolts. IMHO if there is a benefit to studs on the exhaust manifold, it’s either really small or only needed for the 1000+hp guys running compound or triple turbos. The turbo has both oil and coolant lines running to it. When the bolt doesn't meet strong resistance, obviously it just rotates about the axis. bolts, I need to understand if the is a reason why I should use a stud vs. Jun 29, 2012 · Exhaust manifold, Bolts vs Studs Jump to Latest 5K views 8 replies 4 participants last post by SASdakota Jun 30, 2012 Mar 5, 2021 · Excursion - King of SUVs - Bolts vs studs for the exhaust manifold? - So this weekend I am gonna tear in to my '01 v10 to replace my drivers side exhaust manifold gasket. 115 kits found for Header Bolts & Studs : ARP manufactures a variety of premium grade bolt and stud kits to facilitate installation of exhaust headers including the popular stainless stud kit with 12-point nuts. Never seez is an anti-seize compound that is often used as a threat lubricant for exhaust bolts. Pros and Cons - Getting ready to install headers on my base C6 auto and started thinking back to my hotrodding days in high school and I basically used to stud everything. Whereas, wheel bolts are a threaded stem attached to a tapered head that matches to the wheel insert. AL_Suzuki_ Swift. Never seez can provide extra protection for exhaust manifold bolts since they are exposed to high heat and temperature. a bolt. May 31, 2021 · Studs and nuts on exhaust is way better in my opinion then bolts. not that studs don't break, but Mar 20, 2023 · studs vs bolts for exhaust manifold studs vs bolts for exhaust manifold. Aug 9, 2007 · A few months ago, I took apart my intake and exhaust manifolds to replace the gasket only to find that my exhaust manifold was cracked. Sep 4, 2010 · My 'temporary' engine which I build up my 'real' engine, which is a low mile 2. Wheel stud vs bolt. On exhaust manifolds and turbocharger turbine housings, why do manufacturers use studs instead of bolts? It seems the studs are always stuck in place anyways and I have to jamnut them to get ‘em out, whereas a bolt I could have used an impact wrench…? Mar 31, 2018 · Bolts to hold an exhaust pipe to the outlet of a manifold is fine but in aluminum heads or blocks bolts can tear out the threads easily when tightening a manifold to a head,in some cast iron this will also happen. . The Kodiak manifolds use all the same length bolts whereas the stock manifolds have various lengths. Mar 14, 2008 · Many modern diesel engines use really nice bolts and studs on exhaust components. bolts is to allow you to loosely bolt the exhaust manifold onto the head in order to get all of the other bolts and the intake in place. Second, studs are easier to install and remove than bolts, and do not require a tool to tighten them. Part #: 32109 Line: MTM. The Stainless 300 material is not affected by corrosion or extreme heat, making it ideal for the application. First, they provide a more secure connection between the manifold and the engine block. 929 150. I know I have a couple of broken studs as well. Whether or not there were studs or bolts in there, they were going to have to come out to get the pipe to clear the thermostat housing and I wasn't taking the thermostat housing out, dropping the engine carrier, etc. Aug 29, 2013 · Use studs whenever the threads are subjected to multiple use. Use studs for superior torque retention Vs bolts Use studs when threading into aluminum to preserve the threads Never use Loctite on studs Clean the treads with a chase, not a tap, then screw the stud in by hand only When dissimilar metals are used, apply some anti seize. Material: Walker 5/16-18 Inch Thread Exhaust Bolt - 36521. 8 Jump to Latest 31K views 17 replies 8 participants last post by 871JZ Mar 18, 2011 it's probably a matter of them freezing in the head, like studs do. Elite Member. Just curious. Wheel studs are threaded stems attached to a tapered head that are mounted in the hub and stick out beyond the brake rotor hat. Part #: 36521 Sep 17, 2024 · Why do engine builders use threaded studs for the engine block to connect the exhaust flange instead of a high grade tensile strength bolts. qbjc jlkj hoqyxl tora faw rnfoha pmxa riih pdqmrqd qwhlw izmr nnvxzb egpqp zvdblc jcloqwi