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Old 04-02-2018, 09:08 PM   #10
7 Devils
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Join Date: Mar 2018
Location: Kuna, Idaho
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Re: Best Timing Chain SBC 350

Quote:
Originally Posted by beanious View Post
I had at one time considered a gear drive setup. However it seems like either they last forever or grenade your engine, that plus the constant noise of even the quiet drives pushed me away from them. I am always listening for vibrations, noises and problems and the whine would probably grate get on my nerves. That being said, when set-up properly 100K is no problem.
Gear drives were awesome technology in thier day. Dead accurate timing but the send enormous amount or harmonic vibration through your valve train. Not such a good idea. And yes even quiet ones are fairly noisy.

The next leap in tech was the Jesel belt drive and they are fantastic. Honestly, a decent double roller is best for street car based on reliability and streetability. Hex adjust is great for a guy that races and spends alot of time tuning for different conditions. For a DD, double roller is more than adequate.

Dan
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