C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Dbl Roller+Early Opti?

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Old Nov 23, 2002 | 02:05 PM
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Default Dbl Roller+Early Opti?

Can use a double roller timing chain with the early style opti and a Meziere water pump?
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Old Nov 23, 2002 | 02:50 PM
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Default Re: Dbl Roller+Early Opti? (STL94LT1)

I had to switch to a 95-newer timing cover and new style opti to use the
double roller chain setup. You definately have to use an electric pump
as well because you eliminate the pump drive gear.

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Old Nov 23, 2002 | 03:45 PM
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Default Re: Dbl Roller+Early Opti? (James94LT1)

Thanks James.
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Old Nov 23, 2002 | 08:15 PM
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Default Re: Dbl Roller+Early Opti? (STL94LT1)

I converted as well. I used a Summit dual chain and had to grind some of the timing cover away to make room for the thicker chain. I don't believe that you have to do that with the Cloyes unit, but I am not positive. I have a pic but I haven't been able to get to my home page since the Forum converted to this new look. If I can I'll post the pic if you want.
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Old Nov 23, 2002 | 08:31 PM
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Default Re: Dbl Roller+Early Opti? (STL94LT1)

Cloyes will clear the stock cover, but you do in fact have to upgrade to the newer style cover & opti. Electric WP is mandatory as well.
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