Re: L83 DOD manifold oil supply plug
Put about 100 miles on since the replacement lifters and plug installation and good to go. So i would say i had either failing afm lifters on #6 or a leaking manifold... the engine has kess than 12k on it... but last 2-3k have been seen WOT atleast once per drive cycle 
Clint
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1987 Silverado - L83 5.3 w/ 6L80e ,A/C,P/W,P/L,TILT, HID projectors, Wilwood C-10 Pro Spindles w/ 2018 silverado front brakes & C-5 Corvette Rear Disc Brakes
1999 BMW 528i - 5.7 LS1 w/ 4l60e, Ford 8.8 IRS w31 spline posi & FX-r projector retrofit
New project: 2006 BMW x5 6cyl AWD to L83 6l80e 4wd to 2WD / RWD
A poor man buy's it twice
finally got my domain name back, 87chevy.com.... site rework in progress
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