My Willys 3A and 3B Community
TECH FAQ SECTIONS => Engine compartment => Topic started by: Vincent on June 03, 2020, 07:28:29 PM
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I recently came across a post on Facebook about installing the manifolds, and someone said "don't forget the tapered washers for the manifold studs". I could not find any mention of these in the service or parts manuals. I searched most website parts places and found them only at KaiserWillys. They are called "Exhaust Manifold special tapered washer" for the 4-134 L engine. This is the first I have heard of these, and needless to say, I did not use them. Does anybody else know about these and their purpose?
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The shape of the washer helps to compensate for the possibility of different height manifold clamping surfaces from one side to the other.
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This is what I inherited from a PO that didn't use them and tried to "fix it"??? There were air gaps in the cracks that made it pop at idle. Then are "my fix" pics. I would suggest using new exhaust AND intake gaskets and checking surface matchups 'before' cranking down on those ears.