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Mod | | | Forums66 Topics128,076 Posts1,055,920 Members48,429 | | 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
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on the Internet for over 30 years! and not clogged down
with Ads!  Again, thanks!
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#29379 06/01/2002 9:41 PM | Joined: Mar 2002 Posts: 9,115 'Bolter | | 'Bolter Joined: Mar 2002 Posts: 9,115 | Could somebody tell me what the timing gear in the 228/248 motors are made up of ? I have a hunch that they might be made of steel. I know that many years ago when I worked on some 261s and 235s, the timing gear on the camshaft was made of fiber and the gear on the crankshaft was steel. It used to be that if you got 80000 miles out of the timing gear, it was living on borrowed time !
Fred | | |
#29380 06/01/2002 11:37 PM | Joined: May 2002 Posts: 20 Member | | Member Joined: May 2002 Posts: 20 | Hi Truckernix, all 261 and 235 truck engines had an aluminum cam timing gear when they left the factory. 235 car engines have fiber gears but the couple of GMC's I saw apart used an aluminum timing gear.All of them use a steel crank gear.
Porky Pig is just a ham.
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#29381 06/02/2002 1:42 AM | Joined: Aug 2000 Posts: 523 Member | | Member Joined: Aug 2000 Posts: 523 | | | |
#29382 06/02/2002 5:06 PM | Joined: Mar 2002 Posts: 9,115 'Bolter | | 'Bolter Joined: Mar 2002 Posts: 9,115 | Pigpen,
thanks for the information. I had a fiber one let go in a car engine one time and I didn't like the experience !
Fred | | |
#29383 06/03/2002 12:22 AM | Joined: Aug 2000 Posts: 523 Member | | Member Joined: Aug 2000 Posts: 523 | BTW Taking em off broches em....please don't try a used one
Heat a new one on a hotplate to put it on | | |
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