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| | | Forums66 Topics128,034 Posts1,055,440 Members48,422 | | 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!
| | | | Joined: Sep 2003 Posts: 82 Member | | Member Joined: Sep 2003 Posts: 82 | Ok I am looking at my trusty haynes book and for spark plug gap for a 250 its got 3 different gaps. Since 1968 is not listed I am going down the years. 1970-1974 0.0035
1975 0.0060
1976 0.045
1977 and on 0.0045
Which one should I use?
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