FastAFinTX
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This thread is for the general discussion of the Article 408 Stroker Oil Pump Problems.... Please add to the discussion here.
408 Stroker Oil Pump Problems...
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Remove the washer.
rmchrgr
Skate And Destroy
Were there studs in it already when you got it or are you adding them during a rebuild?
Regardless, I've definitely run into this issue with a HV pump where I cracked a brand new oil pump housing. I didn't realize the one stud under the pump housing was too tall and it cocked the housing ever so slightly like you describe. Not really thinking it through, I went to tighten it down it cracked right in half. It was only a thread or two to long but that was all it took. yes, it was bottomed out. It's not the washer, it's the stud height. Like said above, I ended up using the stock bolt, nothing else I could do. Maybe some blocks have deeper cap bolt holes? I doubt it!
Hughes even offers an ARP stud kit for the application but amazingly the stud is still too tall (at least in my application).
Hughes Main Cap stud kit
Again, for me this was a HV pump so perhaps a stock one could work with the stud in that position. Don't quote me on that, verify first!
Regardless, I've definitely run into this issue with a HV pump where I cracked a brand new oil pump housing. I didn't realize the one stud under the pump housing was too tall and it cocked the housing ever so slightly like you describe. Not really thinking it through, I went to tighten it down it cracked right in half. It was only a thread or two to long but that was all it took. yes, it was bottomed out. It's not the washer, it's the stud height. Like said above, I ended up using the stock bolt, nothing else I could do. Maybe some blocks have deeper cap bolt holes? I doubt it!
Hughes even offers an ARP stud kit for the application but amazingly the stud is still too tall (at least in my application).
Hughes Main Cap stud kit
Again, for me this was a HV pump so perhaps a stock one could work with the stud in that position. Don't quote me on that, verify first!
FastAFinTX
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