[Question] Timing chain setup
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Timing chain setup

  1. #1
    Senior Member jdl25_1998's Avatar
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    Default Timing chain setup

    What do you think is the best timing chain setup ? Not a real big fan on the 9 keyway on the crank gear ..

    Going in a BBC Blower motor ..

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    Senior Member 67weiman's Avatar
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    Best IMHO would be a belt.

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    Senior Member jdl25_1998's Avatar
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    True, But that would have to wait for now .

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    Senior Member 67weiman's Avatar
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    Are you looking for something with capabilities of advance/retard or just straight up? A double roller from Cloyes is a great set. They have three keyway, multiple keyway and adjustable sets.

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    Senior Member jdl25_1998's Avatar
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    Just straight up . Called Summit and they offered me Manley True DR . Don't know much about them . I have read some threads on S.A. Gears and some people said to stay away from them . All the Cloyes that I have found are mostly 9 keyways or Hex-adjust . How good are the Hex-adjust ? I am wanting to run one with both Billet gears ..
    Last edited by jdl25_1998; 12-30-2013 at 06:13 PM.

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    Senior Member 67weiman's Avatar
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    What motor?

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    Senior Member jdl25_1998's Avatar
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    bbc 540

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    LP-25.com Infomaniac's Avatar
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    I like the hex adjust sets. You can degree the cam just by turning the hex adjust. Get the degree wheel to the proper @.050 setting and turn the hex adjust until the dial indicator reads .050. Tighten it down done deal.
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  11. #9
    Senior Member jdl25_1998's Avatar
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    Quote Originally Posted by Infomaniac View Post
    I like the hex adjust sets. You can degree the cam just by turning the hex adjust. Get the degree wheel to the proper @.050 setting and turn the hex adjust until the dial indicator reads .050. Tighten it down done deal.
    ​Might look into the hex adjust ..

  12. #10
    Some guy obnoxious001's Avatar
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    Quote Originally Posted by jdl25_1998 View Post
    What do you think is the best timing chain setup ? Not a real big fan on the 9 keyway on the crank gear ..

    Going in a BBC Blower motor ..
    Why don't you like the 9 keyway?

    I had a problem with one SA Gear chain, probably won't use one again. One year of use in a properly maintained engine and the chain stood up by itself when the engine was pulled down for inspection.

    Do not buy one of the cheaper Cloyes sets, I put one on a 427 Vette engine the the lack of quality was extremely apparent. I recently read about someone having an issue with a Hex Adjust deal, but who knows what the true story is there. I have never had an issue with a billet 9 key sprocket, so use quite a few of them.

  13. #11
    Senior Member jdl25_1998's Avatar
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    Quote Originally Posted by obnoxious001 View Post
    Why don't you like the 9 keyway?

    I had a problem with one SA Gear chain, probably won't use one again. One year of use in a properly maintained engine and the chain stood up by itself when the engine was pulled down for inspection.

    Do not buy one of the cheaper Cloyes sets, I put one on a 427 Vette engine the the lack of quality was extremely apparent. I recently read about someone having an issue with a Hex Adjust deal, but who knows what the true story is there. I have never had an issue with a billet 9 key sprocket, so use quite a few of them.

    To me there is not enough mass around the gear to make it easy to strip the keyway . IMO ... I wasn't going to buy a cheap Cloyes setup believe me . Put it like this a motor is only strongest to its weakest point .... I'd like to know what some of you would put in your motor .. I would like to put a Jesel Belt drive on it but right now I don't have the $1,100 for one right now ..

  14. #12
    gn7
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    You'll shear the key itself loooong before you hurt the 9 key crank sprocket.
    When you buy any Cloyes, Lunati, Crane,Comp, what ever, you have no idea what the chain will be with it. It can come from any of 3-4 suppliers, regardless what you pay for the set.

    If you buy a Rollmaster, it WILL be an IWIS (JWIS) chain, with a Torrington bearing, and nitride treated gears. Far as I know, they don't sell BBC sets any other way.

    Personally, I prefer not to have my cam sprocket have slotted holes and indexed by a piece of pot metal. If you want a indexable cam spocket, at least get one with a multi fastener vernier cam sprocket. There are horror stories on these boards using less than quality timing sets. Its NEVER pretty.

    You can get Rollmaster sets from Steelcomp on the boards here @ Straub Technologies.



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    Last edited by gn7; 12-30-2013 at 08:21 PM.

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