If you guys remembered I had the rear main seal replaced on my 383 a couple months ago. The car was a mess under the chassis from the trans dust cover on back. It seemed fine for a while (hadn't really checked that close after the repair to be honest - I was confident that we got it), but I just noticed the oil is back and just as bad as before. I'm getting really po'd and I'd appreciate any suggestions.
Here's what I've done so far:
Replaced oil and trans dipsticks with the Lokar ones - verified they are sealed real good.
Replaced valve cover gaskets (2x to be sure) now have the solid core Felpro gaskets installed (the good ones)
Inspected the rear of the intake manifold - there are no drips at all in this area.
I put a paper towel "diaper" inside the dust cover and taped the drain hole shut to see if oil was or was not dripping from the rear main. There was none - it's dry inside.
The only place I can see even the slightest trail is from the oil filter down the side of the pan. I am changing the oil and filter today and will watch for it to come back. the old filter gasket looks fine and it was tight.
The oil under the car starts in the area of the dust cover, spreads out all over the trans oil pan and goes mostly down the passenger side of the car - cooking on the exhaust, dripping off the subframe connector and floor pan. this is driving me nuts - especially since I spent so much time getting the undercarriage perfect.
ps. i run that B&M blue colored tranny fluid, and I suppose it is POSSIBLE that if the tranny is leaking the blue fluid could be turning yellow from disolving the black undercoating, but I don't really think so.
68 Camaro with 383 small block. ET - 11.9's at 112 mph and never trailered.
10.3:1 KB pistons, Eagle cast crank, 5.7" SIR rods.
Trick Flow 23* heads ported 2.055 intake, 1.6 exhaust.
Comp Cams 282s mechanical cam with 1.6 rockers.
Victor Jr intake and Holley O-3310 carb.
1-3/4" Hedman Headers, full length Flowmaster exhaust.
TH350 trans, 3000 stall, 3.55 gear.
CE subframe connectors, drag shocks, SSM lift bars.