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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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| | | | Joined: Jan 2001 Posts: 5,337 'Bolter | | 'Bolter Joined: Jan 2001 Posts: 5,337 | I put rotators on every engine I put together as long as I have them in stock at the time. They are a little hard to find.
Because they make it so the valve closes in a different position every time it closes it helps to prevent a burnt valve.
They are used on many V8 engines also.
The only bad thing I have ever heard about them is that they are a little heaver and can cause valve float at high RPM. This may be a problem with a V8, not a 236/261.
I say use them!
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