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Post by RIP OLDS on Jun 12, 2017 21:21:40 GMT -5
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Post by BR[] on Jun 12, 2017 22:18:34 GMT -5
what size is the NPT thread on the piece?
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Post by RIP OLDS on Jun 13, 2017 8:53:21 GMT -5
Not sure it doesn't specify. It's not just that the threads don't fit, the diameter of the piece is larger that the diameter of the opening in the manifold.
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Post by joepadavano on Jun 14, 2017 9:07:30 GMT -5
Olds went to a larger NPT on the intake fittings in about 1971 (this is the same time that the water pump inlet was enlarged to 2"). Early fittings are 1/2 NPT, later are 3/4 NPT. The fitting you bought is for a later motor.
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Post by RIP OLDS on Jun 16, 2017 11:19:51 GMT -5
Thanks Joe, it specifically said it was 65-70.
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Post by joepadavano on Jun 16, 2017 13:06:49 GMT -5
Thanks Joe, it specifically said it was 65-70. A vendor was incorrect in Olds applications. I'm shocked.  When you see year breaks like that, it should raise flags anyway, since 1964 should also be the same. |
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