LT1-LT4 Modifications 1993-97 Gen II Small Block V8

timing chain help

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Old May 16, 2007 | 05:16 PM
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Default timing chain help

Last part i need for my cam swap is a timing chain. I was talkin to bret and he suggested the ProGear set@$80ish and that it was real easy to deg. the cam vs. the Cloyts one. And i also seen a Lunati one for $188 that was a full roller. What one are you guys using and do i need a lt1 specific one or any hyro-rolelr cam years 87+? I would assum not because of the opti pin correct. So whats a good one?
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Old May 24, 2007 | 01:19 PM
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bump. nobody buys timing chains?
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Old May 24, 2007 | 01:50 PM
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If you have an ewp and swapped to vented opti you could run a sbc timing set. I'm running the cloyes double roller.
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Old May 24, 2007 | 01:52 PM
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I just bought a Cloyts one cause it was the only one i could get quick enough to get the car running....went on pretty simple
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Old May 24, 2007 | 03:03 PM
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Cloyes dbl roller here... I had to pull my timing cover shortly after getting it running for something or another. And it was making slight contact with the cover, but nothing 5 minutes worth of grinding couldnt solve.

FWIW, the hex-adjust cloyes setup will not work if your going to be running an opti. The adjustment mechanism doesnt allow for the opti to mate with the cam face.
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Old May 24, 2007 | 07:15 PM
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The stock set works far better than most give it credit for.
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Old May 24, 2007 | 10:19 PM
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yea i was just going to get the stock replacement from summit when i put my car back together. I don't wanna deal with an electric water pump.

Jason
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Old May 24, 2007 | 10:59 PM
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Originally Posted by 95greenZ
If you have an ewp and swapped to vented opti you could run a sbc timing set. I'm running the cloyes double roller.
i got a EWP and a non vented opti. why would a vented one matter? whats the differance in the 2 with the timing chains?
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Old May 24, 2007 | 11:14 PM
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I have the pro gear I got from Bret and it was very heavy duty. I was also glad I didn't have to grind the timing cover.
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Old May 24, 2007 | 11:29 PM
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I went with the LT4 Extreme Duty on mine. I did not want to convert to an electric water pump though.
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Old May 24, 2007 | 11:31 PM
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vented opti uses a dowel while the non vented opti uses a spline drive and has a splined center in the cam sprocket.
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Old May 24, 2007 | 11:42 PM
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ooooooooooooo, got cha! now i just gotta find them. i did a search on summit and they were all $300+ Anyone got a p/n and where you got it from
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Old May 25, 2007 | 01:02 AM
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Sorry to hijack the thread but can I switch to a vented opti? I have a 93 and suppose its non vented, What all would be needed? Thanks
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Old May 25, 2007 | 05:16 AM
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Timing cover, timing set, opti, wiring from opti to the connector up along the intake manifold.
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Old May 25, 2007 | 12:20 PM
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Originally Posted by 96capricemgr
Timing cover, timing set, opti, wiring from opti to the connector up along the intake manifold.
That and vented opti cam, or change to the longer dowel pin. And the vacuum lines.
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Old May 25, 2007 | 12:50 PM
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Another vote for stock replacement.
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Old May 26, 2007 | 12:57 PM
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Originally Posted by Taubr Unit
Last part i need for my cam swap is a timing chain. I was talkin to bret and he suggested the ProGear set@$80ish and that it was real easy to deg. the cam vs. the Cloyts one. And i also seen a Lunati one for $188 that was a full roller. What one are you guys using and do i need a lt1 specific one or any hyro-rolelr cam years 87+? I would assum not because of the opti pin correct. So whats a good one?
Do you know the part number on that PROGEAR, I was gonna use the 3145cloys chain but that progrear does look better.
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Old May 26, 2007 | 05:12 PM
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i emailed bret and he said that i need a LT1 specific timing chain so im assuming that the progear wont work on my '94 cause i dont have a vented opti. So im gonna go this route........
http://store.summitracing.com/partde...4&autoview=sku
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Old May 29, 2007 | 06:59 PM
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well autozone has stock replacements for $100.00 So i guess im just gonna go that route. hate to do so on a big cam but thats all i got i guess. till later when i switch out my whole ing. system. any last things on any others before i buy?
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