Head # ' s are 3769975 400645 2
30 F 6
The 3769975 is the part # of the heads, I should say head. I don't know what
year these are but are not correct for 69(69 had the 906 heads) I would want
to check to make sure it still has the forged crank in it since it has
obviously been apart. Look at the vibration dampner. If it is a skinny
dampner(about 1 1/2") then it should be a forged crank. If it is a really
thick dampner(about 3") then it is most likely a cast crank in a older
block. The forged crank is the better and correct for 69. 69's are
internally balanced and do not need a big dampner, the later engines(74 and
up) used a cast crank(not as strong) and were not internally balanced. You
Can NOT interchange cast crank with forged cranks dampners(it will break the
crank after a short while) I would check into this before buying, if it has
a cast crank and the wrong heads, then it doesn't matter what year the block
is because it is only going to be as strong as the later engines.
Brian
----- Original Message -----
From: "dave sankey" <wedgehead413@xxxxxxxxx>
To: <mailing-list@xxxxxxxxxxxxxxxx>
Sent: Monday, June 24, 2002 3:32 PM
Subject: Re: IML: Deciphering Engine Tranny Casting Numbers
> I had the same impression of the heads. I've got a set
> of 906 heads in the garage, and I'm getting a pretty
> good deal on the engine/tranny combo, so I'm not gonna
> let the heads be a deal breaker.
>
>
> --- danny owen <dannobowen@xxxxxxxxxxx> wrote:
> > :
> > >According to Galen Goviers little white book, the
> > casting number is for
> > >any 440 from 1966 thru 1972. This book only goes
> > through 1974 and the
> > >last number for 440 heads is 3769902 and is for a
> > 1964 car. I suspect your
> > >heads are later than this, as the number is higher
> > and this goes from 1962
> > >untiul 1974.
> >
> > I don't think the heads originally came with this
> > car but I could be wrong
> > on this.
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