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Need Studs for Twin H Manifold
  • hudsn47hudsn47
    Posts: 112Senior Contributor
    Hello, I'm reworking a Twin H manifold and broke a couple studs, the ones that hold the intake and exhaust together. There are two long one and one shorter one. I contacted Dale Cooper and he doesnt have them and tried Fastenal and Napa and neither one have them. Does anyone know a source for these studs? Thanks!!

    Doug
    Huntsville, AL
  • Ol racerOl racer
    Posts: 1,679Platinum Member
    FYI
    Suggest Looking further, Those Studs are usually available at smaller helpful Regional Auto Stores (rather than the larger Chain Stores).
    Look in the Dorman 'Online Catalog' to get the Part Number of the Studs needed then give number to your nearby Auto Store to Order.
  • hudsn47hudsn47
    Posts: 112Senior Contributor

    Thanks, I will do that. Was getting a bit concerned they would be difficult to source. Also found the prior thread on the core plugs for the intake.
  • DocHornetDocHornet
    Posts: 146Expert Adviser
    McMaster-Carr has just about every imaginable piece of hardware
    www.mcmaster.com
  • KdancyKdancy
    Posts: 1,063Platinum Member
    Also, you can call ARP and tell them what you need and they more than likely will have it or something very close that will work.
    Arp-bolts.com
    Kerry
    Wellborn, Florida
    http://s294.beta.photobucket.com/user/studebaker2/library/
  • hudsn47hudsn47
    Posts: 112Senior Contributor
    Would there be a problem using bolts instead of studs?
  • ratlee2ratlee2
    Posts: 155Expert Adviser
    I found a couple replacements for mine at my local Lowes store.

    -Rich
  • Ol racerOl racer
    Posts: 1,679Platinum Member
    They would work but Studs are utilized to prevent 'stripping out the cast' manifold threads when carbs need removed & re installed down the road and studs with nuts have more clamp force....
  • hudsn47hudsn47
    Posts: 112Senior Contributor
    I agree that studs are the way to go. I didnt think about lowes, will remember them for hardware next time. I just ordered these studs from ARP, convienient but a bit pricey. I'm not a machinest but from what I have figured out on the stud specs there are two studs 4" long and one that is 3" long both are 3/8 X 16 pitch and there is a bolt that is a 3/8 and is 1 1/4 length. These were pretty frail in my manifold assembly so broke two off removing them. Glad we (I had good help) disassembled the manifolds as they were both full of carbon and rust. Had I installed them what was in the intake would have surely got sucked into the engine. Now they are in a local machine shop for cleaning and milling. Is there a trick to milling these assemblies? Thanks!
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