Delco alternator mounting bolt?

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Nate Nagel - 09 Jul 2005 13:44 GMT

anyone know what size the big mounting bolt is for a Delco 12SI
alternator? I'm about to leave in an hour or so for the cool hardware
store to get a whole mess of stainless bolts for my Stude engine
compartment, just realized I don't know what I need for my alternator.

thanks!

nate

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JazzMan - 09 Jul 2005 15:54 GMT

> anyone know what size the big mounting bolt is for a Delco 12SI
> alternator? I'm about to leave in an hour or so for the cool hardware
[quoted text clipped - 8 lines]
> replace "fly" with "com" to reply.
> http://home.comcast.net/~njnagel

My bet is metric.

JazzMan

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Nate Nagel - 09 Jul 2005 23:54 GMT

>>anyone know what size the big mounting bolt is for a Delco 12SI
>>alternator? I'm about to leave in an hour or so for the cool hardware
[quoted text clipped - 12 lines]
>
> JazzMan

You lose :)

but I mistyped, it's actually a 10SI, so I guess you get partial credit
('cause by then it probably was.) The big mounting bolt is 3/8" coarse,
3" long. Now you know :) The smaller bolt is a 5/16" coarse, about 1"
long, although I think I will replace it with a longer one so I can put
a nut on the end like the factory Stude setup.

nate

(who will have to wait until next weekend to replace that bolt - you'd
think that would have been on the web somewhere)

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