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Valve Guide Driver and Depth Gauge
Just can't stay away
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Looks like I may need to replace the guides in my 288 that is under rebuild. Does anyone know where to find the J-2577 Driver and depth gauge?

Posted on: 2016/4/16 11:45
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Re: Valve Guide Driver and Depth Gauge
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You don't need the depth gauge, just measure the deck to guide distances before removing the old guides, and note in some engines intake and exhaust are installed to different depths. I'll post pictures of the various guide drivers I've used over the years, the only commercial one is a KD-815 (2nd from left with broken tip). If you can't find a driver, easy to have one made by anyone with a lathe, the small end fits inside the guide, the middle step is larger than the bore but smaller than the guide OD so that it rests on the shoulder of the guide but can still fit thru the bore in the block. The upper diameter is whatever you find convenient as a hand-hold. I usually use a 4# hammer, an suggest you place some wood over the block in the area of the valve seat so, should you miss a blow with the hammer, you don't accidently hit the block and ruin the seat. Unless the cam and lifters have been removed, drive the guides half-way down and break off with a chisel (they are quite brittle and snap very easily) and then drive the remaining section out. Pix of suitable depth gauges shown.

When installing new guides I usually pack them in dry ice for 20 or 30 minutes first - they will drive it with very little effort.

Before starting the job, use corks or similar to plug the oil return holes in the valve chambers to any of the keepers or other debris from falling thru into the crankcase. If you're new to this type of job you might want to read "Understanding Valve Work" on The Packard Club forum.


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Posted on: 2016/4/16 13:12
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Re: Valve Guide Driver and Depth Gauge
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Thanks for the good tips.
Unfortunately, I made the mistake of removing the guides from my 1951 327 engine without measuring the installation depth.
Can anyone give me the specified installation depth for the intake valve guide and the exhaust valve guide?

Posted on: 3/13 17:06
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Re: Valve Guide Driver and Depth Gauge
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to PackardInfo.

I invite you to include your 288 powered Packard in PackardInfo's Packard Vehicle Registry.

Don't think we've previously had a member from Austria.

Posted on: 3/13 18:10

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: Valve Guide Driver and Depth Gauge
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You will find lots of good information and helpful tips in this thread. I measured everything as being 1" from the deck in my 327.

valve guide driver tool thread

Posted on: 3/13 18:33
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Re: Valve Guide Driver and Depth Gauge
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I made mine out of brass..

The new guides are not are tough as originals. In the lower end. And thinner.

At least the ones I have are.

Posted on: 3/13 21:12
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