57/58 GH oil filler cap wanted

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jab-ph - 16 May 2007 12:42 GMT

Does anyone have a spare oil filler cap for a 57/58 supercharged Hawk.
This is an original engine with the filler tube to the left of the
blower and I believe it would have a half tubular extension that would
index it on the filler tube?
Jerry

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Barry - 16 May 2007 14:41 GMT

AFIK, it is the same as other V-8's , & I have NOS & used in stock. What do
JP & other experts know about it?

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Barry'd in Studes

58 Packard Hawk
40 President
39 Coupe Exp.
59 DeLuxe 1/2 tn.
56 Packard "400"

> Does anyone have a spare oil filler cap for a 57/58 supercharged Hawk.
> This is an original engine with the filler tube to the left of the
> blower and I believe it would have a half tubular extension that would
> index it on the filler tube?
> Jerry

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Studeman - 16 May 2007 15:46 GMT

>AFIK, it is the same as other V-8's , & I have NOS & used in stock. What do
>JP & other experts know about it?
>

It is indeed the same as the earlier V-8 caps used with the large
cast-iron filler neck. It was changed when the aluminum filler neck was
intoduced (1960-ish?), and again when the caps were moved to the valve
covers.
I just checked the parts-books:
Part #531000 is for all '55-60 V'8s (also 6-cyl) w/o AC , (heavy
cast-iron filler neck)
Part #537527 is for '55-'60 AC equipped cars...
Of course the '56J Golden Hawk- has a different one on the Packard
Engine....
It changed to Part #1558193 in '61 when the aluminum stem was introduced,
They went crazy in '63-'64 with several different caps depending on
equipment (PCV, Supercharger, etc...)

Ray

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