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VALVES
#1
Just popping in
Just popping in

Gilbert
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On a 40 straight 8 is it hyd. or solid lift?
And I would like to know specs. and adjustment procedure.
Many thanks !

Posted on: 2021/9/6 14:19
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Re: VALVES
#2
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HH56
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Depends on the engine. On the 356, it does have hydraulic lifters and there is no adjustment after the lifters are installed. There is a special plug gauge that temporarily replaces the lifter in the tappets to give a solid reference point to measure stem clearance. The valve stem is ground down after a heavy regrind valve job or when installing new valves to get the needed clearance before the hydraulic lifters are installed.

On the other engines the lifters are solid and here are the specs. There is a 40 service manual on site but it is not too detailed on the engine. You can download the 41-49 engine section of the later manual and look thru the procedure there. The engines are the same as the 40 and the adjustment procedure is on page 29. As I recall, some suggest a tiny bit more clearance than specified on the exhaust valves. https://packardinfo.com/xoops/html/downloads/41_48EngineManual.pdf

Attach file:



jpg  valve.jpg (892.64 KB)
209_61366c501f0e7.jpg 2306X1704 px

Posted on: 2021/9/6 14:31
Howard
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Re: VALVES
#3
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Ozstatman
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G'day Gilbert,
to PackardInfo.

Howard, Gilbert's Packard is a '40 One-Twenty Convertible Coupe, so equipped with the 282.

Posted on: 2021/9/6 19:58
Mal
/o[]o\
====

Bowral, Southern Highlands of NSW, Australia
"Out of chaos comes order" - Nietzsche.

1938 Eight Touring Sedan - SOLD

1941 One-Twenty Club Coupe - SOLD

1948 Super Eight Limo, chassis RHD - SOLD

1950 Eight Touring Sedan - SOLD

What's this?
Put your Packard in the Packard Vehicle Registry!
Here's how!
Any questions - PM or email me at ozstatman@gmail.com
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Re: VALVES
#4
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HH56
See User information
The 282 adjustment is covered in that 41-49 engine manual as the engine was used thru 47.

Posted on: 2021/9/6 20:12
Howard
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