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Labor Day Putting down your wrenches or time for
MORE wrenching? 
Plenty of places to share. | | 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!
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: Aug 2002 Posts: 455 Shop Shark | | Shop Shark Joined: Aug 2002 Posts: 455 | Glad to hear somebody is really using his old truck.
How do your plugs read after the trip?
Is the ignition/timing/carburetion all in tune?
Does the gearing run your engine within the power band of your cam at sustained rpm?
How is the coolant temperature?
If all is in tune, you should be fine with 44 plugs.
I wouldn't mix and match spark plug brands, but you probably won't harm anything.
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