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Click on image for the lowdown. 
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| | | Forums66 Topics128,062 Posts1,055,851 Members48,428 | | Most Online14,466 Apr 26th, 2026 | | AD Chevy Trucks Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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#67286 10/19/2006 5:09 AM | Joined: Oct 2001 Posts: 3,458 Extreme Gabster | | Extreme Gabster Joined: Oct 2001 Posts: 3,458 | I did that with my 261, I use Delo 400 or Rotella. It cleaned out the block but it also made my dried up valve stem seals leak a lot worse. I still need to repair those. It smokes bad down long hills.
Paint & Body Shop moderator A lone amateur built the Ark. A large group of professionals built the Titanic. | | |
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