stripped exhaust manifold header

supraman508

New Member
Sep 19, 2007
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maryland
On my header stub hole that is nearest to the distributor it won't tighten so i ordered a nut and stub from the toyota dealer ship since the old one was old and rusty.I figured that i striped the threads inside.what tool should i use to rethread if that is possible.if a threader what size should i use?
 

supraman508

New Member
Sep 19, 2007
496
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maryland
iwannadie;1102713 said:
Just for my future reference, what size heli is needed for the stock exhaust studs?
That is a good question iwannadie.I ment to ask that before but that sliped my mind.That website might tell us that maybe.
 

jdub

Official SM Expert: Motor Oil, Lubricants & Fil
SM Expert
Feb 10, 2006
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Valley of the Sun
You size the helicoil to the thread size for the bolt/stud. In this case, stock exhaust studs are M10x1.25.