Roller Cam conversion timing chain
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Roller Cam conversion timing chain

  1. #1
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    Default Roller Cam conversion timing chain

    I was wondering what timing chain to run on a gen V block when going with a roller cam. I have done some reading and it seems no one has addressed this directly and I want to be sure because I have to be sure to order the right thing because of time.

    Do you go with that Cloyes double roller if you get the aluminum timing cover?

    Also, on the same note, How does that thrust washer/plate install behind the cam gear? and what holds the cam button in place?

    thanks.

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    Senior Member wagspe208's Avatar
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    Order the cam for a gen 5. Cloyes makes a gear set for the gen 5. It is pricey, though. Use your thrust plate.
    Fits behind the regular stock cover.
    Check chain to block interference. If I remember correctly I have seen one or two rub, causing the chain to FU. Failure, then $$
    Wags

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    Senior Member wagspe208's Avatar
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    Oh, the plate controls thrust. No button needed. The plate holds the cam from moving forward, it is sandwiched in between the gear, which holds cam from walking back. Poor explanation.
    Wags

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    Pretty sure the gen 6 is the only one that uses a thrust plate. I do know that my gen 5 doesn't use one. The mark 4 cams will work in the gen 5 blocks without any changes. Mines been that way since 97..

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    Quote Originally Posted by PowerAddict View Post
    I was wondering what timing chain to run on a gen V block when going with a roller cam. I have done some reading and it seems no one has addressed this directly and I want to be sure because I have to be sure to order the right thing because of time.

    Do you go with that Cloyes double roller if you get the aluminum timing cover?

    Also, on the same note, How does that thrust washer/plate install behind the cam gear? and what holds the cam button in place?

    thanks.
    If you run a MK IV style cam and an aluminum cover, the double roller chain should clear alright, but obviously check to make sure. A "cam lock plate" will not only retain the cam button, but has tabs you bend into place to lock the cam bolts to keep them from coming loose. With the aluminum cover, you may want to consider using the nylon type cam button, since it's easier to cut down to fit to set cam endplay where you want it, and with cam thrust controlled, the thrust washer or bearing behind the cam will stay in place.

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    so, the cam button goes in the center of the cam gear and touches the cam, the lock plate fits around the button and bolts to the cam gear, and holds the button in? right?

    Do I want to go double roller for sure? I found a Cloyes double roller for a 1995 Gen V that says "for roller non-factory roller cam" at oreilly's, and it was only 35 bucks! I was skeptical, but it seems like that'd be the right one.

    I think this clears things up.

    Thanks.

    oh, and this is the lock plate right?
    Moroso 60464 Moroso Cam Stop Button
    Last edited by PowerAddict; 06-14-2013 at 02:47 PM.

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    Some guy obnoxious001's Avatar
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    Quote Originally Posted by PowerAddict View Post
    so, the cam button goes in the center of the cam gear and touches the cam, the lock plate fits around the button and bolts to the cam gear, and holds the button in? right?

    Do I want to go double roller for sure? I found a Cloyes double roller for a 1995 Gen V that says "for roller non-factory roller cam" at oreilly's, and it was only 35 bucks! I was skeptical, but it seems like that'd be the right one.

    I think this clears things up.

    Thanks.

    oh, and this is the lock plate right?
    Moroso 60464 Moroso Cam Stop Button
    First thing is to determine if you are running a MK IV or Gen 5/6 style cam. Either can fit in the block, but will make a difference in which components you choose to go with it.

    You are correct on the cam lock plate and button, but the Gen 5/6 cam is set up to use a retaining plate that bolts to the block. I will PM my phone number to help you make sure you get it right.

  10. #8
    gn7
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    Quote Originally Posted by PowerAddict View Post
    so, the cam button goes in the center of the cam gear and touches the cam, the lock plate fits around the button and bolts to the cam gear, and holds the button in? right?

    Do I want to go double roller for sure? I found a Cloyes double roller for a 1995 Gen V that says "for roller non-factory roller cam" at oreilly's, and it was only 35 bucks! I was skeptical, but it seems like that'd be the right one.

    I think this clears things up.

    Thanks.

    oh, and this is the lock plate right?
    Moroso 60464 Moroso Cam Stop Button
    Yes, MOST lock plates have a hole smaller than the base diameter of the bearing and help hold the thrust bumper in place during assembly. After assembly the bumper can't go anywhere anyway.
    Some lock plate have hole the same size as the T gear, don't hold the bumper in place. Some bumpers(bearing type) aren't stepped and need the plate hole to be the same as the T gear.
    But MOST plates and bumpers work as Barry said. But it really doesn't matter, because the bearing/bumper sits into the T gear enough that holds till you install the cover.

    nylon type held by the plate.



    Don't be this dumbass and install the plate first, and then "assume" the bearing is installed like this.



    NOTICE THIS WAS PULLED FROM A SUPER CHEVY MAGAZINE WEBSITE>>>>>>---------------------------->>>>>>>>>>>>>>>>
    LET THAT BE A LESSON TO YOU. NOT EVERYTHNG YOU READ IN MAGAZINES IS CORRECT. I don't care how much HP they say they sqeezed from a wrecking yard truck engine, and how reliable it was.

    When a company like Cloyes states "non roller" it means FACTORY roller cam.
    If you use a NON ROLLER CAM chain set, you need to use a MK IV cam. If you use the factory thrust plate behind the T gear, you need a GEN 6 cam and Gen 6 T set for a "factory roller". The nose of the cams are different.



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    Last edited by gn7; 06-14-2013 at 03:59 PM.

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    Senior Member wagspe208's Avatar
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    Red face

    Oh, DOOP! I had my gens mixed up. HAH
    Wags

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    So, I bought the Cloyes timing set PN 220-C3024X. I have the cam gear pictured below compared to the stock cam gear. As you can see, the center hole is smaller, I don't think it will work with a cam button. And the recess in the middle where the bolts go, I don't think will be able to fit the retaining plate....

    What say you guys?

    Do you think just a stock replacement will be okay?
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  13. #11
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    Default .....Nylon bumper

    I'm getting ready for this also. Will I be able to use the bumper with a Magnaflow pump and still allow for sufficient clearance??

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    I ended up getting Cloyes 9-1110T with the machined cam timing gear, and included torrington thrust bearing. I got a gen VI timing cover...I understand now!

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