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Re: Oil Drinking?? [Re: W5Duster436] #64733
06/30/08 07:22 PM
06/30/08 07:22 PM
Joined: Feb 2008
Posts: 992
Simi Valley, CA
MoparJ Offline OP
super stock
MoparJ  Offline OP
super stock

Joined: Feb 2008
Posts: 992
Simi Valley, CA
Yeah, a heavier oil would slow down consumption, but wouldn't cause the drastic change for the better like I have achieved. I would have to say that the intake gasket was definately the issue. 600 miles now and oil is still above the full line. No smoke can be seen by anyone following behind me while driving, especially when I quickly let off the throttle after jumping hard into it. Thicker oil wouldn't have made these differences, especially when I was already running 10w40 oil with either Comp lube, or Hughes lube previously.

The leak was not so obvious on mine; just a small crack near on of the port holes on the passenger side. No abundance of oil, just some slight discoloration in the corresponding intake port.

I also just put the Holley 650 dual feed carb back on and jetted it up a bit to 72 primaries and still 73s in the secondaries. Runs great, but I think I will bump up to 75 or 76s in the secondaries.

So far, so good.

Last edited by MoparJ; 06/30/08 07:24 PM.

2016 Ram 1500 Crew Cab: 5.7, 65RFE, 4.56 gears with locker, Hemifever tuned, AFE intake, 87mm throttle body, JBA headers, 3" Flowmaster exhaust, split to dual 2.5" exits. 13.57 best ET so far.

Searching for new A or B Body Project!
Re: Oil Drinking?? [Re: MoparJ] #64734
07/12/08 04:57 PM
07/12/08 04:57 PM
Joined: Jan 2003
Posts: 4,084
Indiana
W5Duster436 Offline
master
W5Duster436  Offline
master

Joined: Jan 2003
Posts: 4,084
Indiana
Well as it turns out I have the same problem now on my brand new 340. Leaking like a sieve out the back and I noticed smoke in the exhaust so pulled the intake off and it was definitely not sealed correctly and sucking oil from underneath. I don't have a very good batting average with this. Had to take the intake back over for more machining. I bet these heads have had quite a bit taken off of them over the years.


'70 Duster - SDSS 436 W5 4spd (Gone)
'71 Dodge D100
'70 Dodge W100
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