Re: [Amc-list] 195.6 OHV head bolt dimensions

[Tom Jennings <tomj@xxxxxxx>]

OK I screwed up royally on the bolts. Thanks for the poke, Frank!

A month or so ago I pulled a head from a 1963 classic 195.6. The head
had definitely been off and rebuilt once, so it may not be as AMC
intended. I saved all the bolts and everything. Here's what I have:

1 - 4-1/4" long
4 - 5"
2 - 4-1/2"
2 - 4-1/2" stud
5 - 3-5/8" (could be 3-1/2, greasy bolt clean fingers didn't pull washer off)

otherwise as stated (head, thread, etc). The threaded portion
of the short bolts is shorter.

I know the motor in my AMerican didn't have this hardware store
assortment. There was long, and short.

45 years is a long time....





On Tue, 1 Apr 2008, Frank Swygert wrote:

> Tom, did you just measure the bolt from out of the valve cover, the one that
> holds the intake down? 5" below the head sounds right for those, but I think
> the ones under the valve cover are the short ones (3-3/4" below head to end) I
> mentioned in my previous post. I have a couple head bolts here that I'm 90%
> sure came from a 196, under the valve cover, but I might be mistaken. I'm 99%
> sure there are two different lengths though. I was thinking the longer ones
> were at least 4-1/2"-4-3/4" but wasn't sure, 5" sounds about right for them
> (5" from bottom of head to end, would be roughly 5-1/2" overall from end to
> end -- the short ones would be about 4-1/4" total).
> 7/16"x14 tpi is standard US coarse threads -- easy to find! Wrench size really
> doesn't matter, and washers can be used instead of the oversize shoulders.
> (just here for Dave's info and your comment if you disagree).
> -------------
> Date: Mon, 31 Mar 2008 21:39:53 -0700 (PDT)
> From: Tom Jennings <tomj@xxxxxxx>
>
> On Mon, 31 Mar 2008, d stohler wrote:
> > so, does anyone know off top of their head the size
> > bolt for the 196 head? my casper is sitting 45 miles
> > the WRONG way, and i am going to town in the morning.
>
>
> OK Dave, you owe me a beer/coffee/poison of my choice:  :-)
> grade 8
> 5/8" wrench size, plain hex head
> 5" overall (under head to end)
> 7/16"-14 thread, .390" shaft
> threaded portion, only last 1-1/8"
> oversized shoulder, .434", top 1/2" of shaft under head
>
>
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