Pre-A Fuel Petcock disassembly

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John Hawkins
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Posts: 207
Joined: Thu Mar 27, 2008 6:38 pm
Location: Northern Colorado

Pre-A Fuel Petcock disassembly

#1 Post by John Hawkins »

Do the early 1952/'53 356 fuel petcocks require a special tool for disassembly? A friend has one that does not use the circlip like later Pre-A and A cars. Instead it looks like we need to unscrew a threaded plug to get inside. Screw drivers don't seem to cut it. Any homemade tool ideas? Thanks.
John
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1952 356 Fuel Petcock
1952 356 Fuel Petcock
Slotted closure on 1952 356 Fuel Petcock
Slotted closure on 1952 356 Fuel Petcock

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David Green
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Location: Santa Barbara

Re: Pre-A Fuel Petcock disassembly

#2 Post by David Green »

Here's a page from my Service Manual (1954) that shows it takes a special spanner. Today I finished rebuilding my slightly later model (Aug. 1953) with just a circlip and will post the details on an existing related thread. BTW, treasure the filter as early ones are NLA. They use a 8 x 1.25 thread while the later and repros use a 8 x 1.0 thread.
Regards,
David
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Service Manual - Fuel Petcock.jpg

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John Hawkins
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Posts: 207
Joined: Thu Mar 27, 2008 6:38 pm
Location: Northern Colorado

Re: Pre-A Fuel Petcock disassembly

#3 Post by John Hawkins »

Thanks David.
That helps a lot and a spanner-type tool was not something I had considered. I'll see what our machinist can replicate for the job.
John

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