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Thread: Block guard ???

  1. #1
    rxpredviper's Avatar
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    Block guard ???

    If you run 8560 rpm do you need a Block guard for the block? is this needed?


  2. #2
    eric1238's Avatar
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    It seems to me like higher boost causes a greater need for the block guard than the higher RPMs. Not 100% sure though

  3. #3
    Been there and back! BDNJ's Avatar
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    If you are removing the head or rebuilding a motor, it's a no brainer. I wouldn't go in just for that though.

    I would also get a Rotax oil jet too if you are going in.

    Brendan

  4. #4
    Fast & Loud meeper's Avatar
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    Quote Originally Posted by BDNJ View Post
    If you are removing the head or rebuilding a motor, it's a no brainer. I wouldn't go in just for that though.

    I would also get a Rotax oil jet too if you are going in.

    Brendan
    thats exactly what i did

  5. #5
    Got Boost? psycho rxp's Avatar
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    I think it's good insurance.

  6. #6
    rxpredviper's Avatar
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    ???? About ARP bolts?

    Gus for 84 to 87 mph do I need the ARP bolts and if the are good ?because I live close to PPG that way I stop and get a set from them .

  7. #7
    Water4fire's Avatar
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    ARP studs, I have heard some people like them and some don't. I have a new set of arp studs that I have not installed and it is because I am unsure myself.

  8. #8
    Been there and back! BDNJ's Avatar
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    I don't run them and have been ok. I would recommend getting the heavy duty flywheel bolts though (from PPG) if pulling motor.

    Brendan

  9. #9
    Fast & Loud meeper's Avatar
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    i've been running the studs for a while now with good results, i torqued them per nils instructions not the PPG ones that come with the kit

    30/60/85 ft lbs use ARP assembly on the washers and nuts and nothing on the block side since the threads are sealed there.

    i also updated to the 06+ spec flywheel bolts and 08+ SC oiler system

  10. #10
    Water4fire's Avatar
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    Quote Originally Posted by meeper View Post
    i've been running the studs for a while now with good results, i torqued them per nils instructions not the PPG ones that come with the kit

    30/60/85 ft lbs use ARP assembly on the washers and nuts and nothing on the block side since the threads are sealed there.

    i also updated to the 06+ spec flywheel bolts and 08+ SC oiler system

    meeper, did he say you had to use arp assembly only on the washers and nuts? Anything else we can use? I am gonna use them on my conversion boat as the head needs to be pull.

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