Bolts or Studs?
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#4
They were all stainless steel - the stockers I pulled from my '01 were stainless.
The problem seems to be that the nuts rot and stick to the manifold - the manifold heats up, expands, cools off and contracts, dragging the nuts/studs with it - which fatigues the studs and they break.
Someone reported that the replacement nuts from Ford were copper plated - which allows them to slide against the manifold. Not sure how long that would last.
Ideally, I would use studs personally. Make sure the nuts you get from Ford are plated or stainless or SOMETHING to keep them from corroding...
The problem seems to be that the nuts rot and stick to the manifold - the manifold heats up, expands, cools off and contracts, dragging the nuts/studs with it - which fatigues the studs and they break.
Someone reported that the replacement nuts from Ford were copper plated - which allows them to slide against the manifold. Not sure how long that would last.
Ideally, I would use studs personally. Make sure the nuts you get from Ford are plated or stainless or SOMETHING to keep them from corroding...
#6
#7
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#8
Stage 8 Locking Header Bolt Kits 8905 - SummitRacing.com
Used Stage 8 locking bolts on my headers. Never loosened in two years.
Click on link , then look for video tab, 10 second video of how they work.
Used Stage 8 locking bolts on my headers. Never loosened in two years.
Click on link , then look for video tab, 10 second video of how they work.
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truckmonger1
1999 to 2016 Super Duty
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08-28-2010 09:41 AM