smoking on decell
Road Master
Joined: Aug 2005
Posts: 1,005
Likes: 0
From: Yorkville Indiana
RE: smoking on decell
Hard to say without doing a compression test and a leak down test. Sounds like you are definatley getting oil into the combustion chambers which is not a good thing.
Ultimate HDF Member
Joined: Feb 2006
Posts: 5,939
Likes: 3
From: TX
RE: smoking on decell
The valve seals on stock-style 05 & 06 heads SUCK!
I would bet on the seals! More than likely, if you pull the throttle-body, you will be able to see oil weeping down into the intake port. I have an pair 05 heads in my shop right now that has "supposedly" better than OEM 05/06 style seals and they BOTH leaked!
Someone like Head-Quarters or GMR can work those heads over and replace the valves, guides, & seals with the tried & true setup that won't leak.
I would bet on the seals! More than likely, if you pull the throttle-body, you will be able to see oil weeping down into the intake port. I have an pair 05 heads in my shop right now that has "supposedly" better than OEM 05/06 style seals and they BOTH leaked!
Someone like Head-Quarters or GMR can work those heads over and replace the valves, guides, & seals with the tried & true setup that won't leak.
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