Adjustable Timing Chain Set - Team Camaro Tech
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post #1 of 4 (permalink) Old Feb 11th, 07, 07:28 PM Thread Starter
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Join Date: Jul 2006
Location: Joliet, IL
Posts: 183
Adjustable Timing Chain Set

When should you consider purchasing an adjustable timing chain set verses fixed position. I am building a 383 and using a Comp Cam (Thumbr Series). Street use.

What advantages do they offer?

Thanks
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post #2 of 4 (permalink) Old Feb 11th, 07, 08:04 PM
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Bill
 
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Re: Adjustable Timing Chain Set

cc,
Unless you plan on fooling with the cam timing in the future to maximize performance, I would not worry about it. Chances are that the cam you have will be right on the money when you install it and check it with a degree wheel, so you will have no need for the adjustable set.

Now if you are racing, and willing to do what it takes to get every ounce of performance out of your engine, it might be worth the extra money. Personally, I like keeping things simple. The more moving parts, the more chance of a failure. It is extremely rare, but I know of one racer who lost an engine because the adjustable timing set loosened up and valves hit pistons etc etc ... He might have done something wrong during installation but why take a chance.

Bill Koustenis
Owner
Advanced Automotive Machine
Waldorf Md
1971 Chevelle "Heavy Chevy" original owner


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post #3 of 4 (permalink) Old Feb 12th, 07, 08:29 PM Thread Starter
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Re: Adjustable Timing Chain Set

Thanks for the advice, I will save my money and go with a fixed set.
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post #4 of 4 (permalink) Old Feb 13th, 07, 12:48 PM
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Steps
 
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Location: New Zealand
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Re: Adjustable Timing Chain Set

There are good quality and bad quality...
I design my own cam profiles..If Im a little out a 2 deg advance or retard will put the cam in the power range that Im looking for...
The extra few bucks for an adjustable is worth it in the long run.
Even if one doesnt design profiles, there is a very common tendancy for ppl to over cam in there choice then later are disappointed in the streetablity.
If you have and adjustable already in there its no 'biggie' to wip off the water pumps/covers and do a quick change.
What Brand name? I use a locally made gear made by a local old school machinist (NZ)

My Spelling is not incorrect...it is creative

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