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#1
11-15-2014, 08:20 PM
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Valve cover machining
Hey all,
Just had to replace my valve cover as it was warped and leaking like crazy. I found a good one for sale online, and swapped it out, but now I have the old one. I also have a small machine shop to play with. Has anyone ever tried to re-machine their valve cover flat? If not I'll give it a shot on the old bridgeport and take some pics along the way... B 
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#2
11-15-2014, 09:03 PM
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Fixturing is the key to happiness, show pics
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#3
11-15-2014, 09:18 PM
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If you machine it flat you also have to machine the re-inforced areas where the studs go through.
If there is not enough threads on the Studs you need to thread them down further.
__________________
84 300D, 82 Volvo 244Gl Diesel
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#4
11-15-2014, 09:44 PM
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Check it first with a surface plate and feeler gage.
If it is close get a big sheet of sand paper and put it on a surface plate with some oil and lap it with a figure 8 motion. As mentioned holding a valve cover on a Bridgeport is going to be very hard. You may not have enough travel to clear the cutter on both sides of the valve cover either.
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#5
11-15-2014, 11:19 PM
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... clean it, and turn it into a lamp...
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John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread "as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do! My drivers: 1987 190D 2.5Turbo 1987 560SL convertible 1987 190D 2.5-5SPEED!!!  1987 300TD 2005 Dodge Sprinter 2500 158"WB 1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere!
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#6
11-15-2014, 11:25 PM
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Good idea vstech. Or make it in to a fancy clock. If you can get $50 for a hubcap clock I bet a valve cover clock would net an easy $75...
 https://www.etsy.com/listing/188387176/mercedes-hubcap-clock-dark-blue-green?ref=sr_gallery_2&ga_search_query=mercedes+hubcap&ga_search_type=all&ga_view_type=gallery
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1979 300D 040 Black on Black - 1985 300D Maaco job (sadly sprayed over 199 Black Pearl Metallic) on Palamino http://i.imgur.com/LslW733.jpg The Baja Arizona Oil Burners Send a message if you'd like to join the fun  Left to Right - UberWasser, Iridium, Stuttgart-->Seattle,, mannys9130 Visit the W123 page on iFixit for over 70 helpful DIY guides!
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#7
11-15-2014, 11:42 PM
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I just changed my gasket, I took a file and filed down the support towers. I then lightly filed the edges of the cover. This should give me a nice seal...if it is still a tad leaky I will get a few washers...as mine are missing anyway. Lapping is the best way to do it as was said...but who wants to buy that much sand paper
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