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Click on image for the lowdown. 
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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!
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#75504 04/05/2007 11:48 PM | Joined: Jul 2003 Posts: 132 'Bolter | | 'Bolter Joined: Jul 2003 Posts: 132 | First, I don't think any of the GMC 248/270/302 engines were equipped with hydraulics, so the block is probably not drilled to provide oil.
Second, lifter type must match the cam grind. Solids on a solid grind cam, etc. | | |
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