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Mod | | | Forums66 Topics128,022 Posts1,055,376 Members48,420 | | 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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For helping keep this great
old truck web site
on the Internet for over 30 years! and not clogged down
with Ads!  Again, thanks!
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#18200 09/18/2003 12:32 PM | Joined: Jan 2000 Posts: 206 Member | | Member Joined: Jan 2000 Posts: 206 | 228, early 248/270 used 4 bolt cranks and flywheels with 4-bolt pattern. All changed to 6-bolt around 1955. All 302 were 6-bolt. Don't try to re-drill a 4-bolt to a 6-bolt pattern, It removes too much from a critical area. | | |
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