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Re: '67 5.3L Build Thread
if you've never cleaned the throttle body (and behind the throttle plate) on one of these LSx motors after 15k-25k miles or so.... you'll find lots of black soot all over the back. There's no fuel or coolant....and not supposed to be anything but air in one of these intakes? Surprise! Its pulling oil residue from the pcv (and who knows where else).
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Kurt -
'68 GMC short step - NIB '09 LY6 6.0L crate motor w/mods, NIB '12 crate 4L85e w/billet 3k stall Circle D, 3.73 posi 12 bolt, DynaTech f-swap headers, 3/4 drop, handling mods, etc. - my toy
'72 Chevy LWB C-10 Highlander - 350/350 ps/pb/tilt/ac - not original but close
'06 Chevy TrailBlazerSS - LS2/4L70e - little black hot rod SUV - my DD
'18 Kia Sorento - wife's econo-driver
'95 Chevy S10 - reg cab shortbed, LS, 4.3, auto...
my '68's powertrain and chassis build -links broken
A surprise phase - carb to efi -links broken
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