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rabidwolverine
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« on: March 03, 2008, 12:30:21 PM » |
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i was thinking about moving up to 1.7 roller rockers. i just dont know if they will work with the stock pistons. i have a b303 cam, so i have the lift i would just like the duration. after talking with a few guys it seems 1.7's are the way to go. i hope that someone could shed some light on this subject for me.
thanks
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rmodel65
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« Reply #1 on: March 03, 2008, 12:39:00 PM » |
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its not so much the lift but the duration that the problem, but as always its recommended to check ptv(piston to valve clearance)
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rabidwolverine
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« Reply #2 on: March 03, 2008, 01:41:41 PM » |
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ok i will check that out. thank you.
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rabidwolverine
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« Reply #3 on: March 04, 2008, 02:39:56 PM » |
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i dont know the numbers for the ptv. all i can tell you right now is that they are stock pistons in a gt-40 motor with a b303 cam that has a 480 lift with 1.6 rockers. i dont know if thats enough info. if not i will try to find it out.
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Soaring
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« Reply #4 on: March 04, 2008, 03:42:10 PM » |
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They will fit, and no you dont need new pushrods or valve covers. They come with shims to make up differences in length to get them torqued properly, you may have to remove or modify the oil neck baffle on the passenger side valve cover though so they wont hit it
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rabidwolverine
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« Reply #5 on: March 04, 2008, 04:43:23 PM » |
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oh okay. thanks. all your help is appreciated.
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Soaring
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« Reply #6 on: March 08, 2008, 04:41:30 PM » |
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We have an unwritten rule here. Once you ask questions about a project, and the project gets finished, then you have to report back in and tell us how it turned out. 
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rabidwolverine
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« Reply #7 on: March 09, 2008, 09:39:43 AM » |
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i just finished getting the motor put back together after the oil pressure issue. now i am timing it. i am in the navy so my time tables for projects span a little longer. in about a month or two is when i am changing the roller rockers.
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Soaring
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« Reply #8 on: March 14, 2008, 03:46:29 PM » |
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Are you a seaman, or are you a land lubber Navy man? I taught school for DoDDS at the Yokosuka Naval Base in Yokosuka, Japan for awhile, and the fathers of my kids were always out to sea for months at a time.
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rabidwolverine
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« Reply #9 on: March 20, 2008, 12:28:11 PM » |
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i just got back from an underway. im on a submarine. and yeah we are out a lot. it sucks.
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Soaring
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« Reply #10 on: March 20, 2008, 10:25:54 PM » |
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Submariner, huh? I feel for your guys, and yet I would like to be several hundred feet under the ocean, and still be able to breathe and work. You military guys are my heroes.
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rmodel65
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« Reply #11 on: March 21, 2008, 12:21:44 AM » |
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a nuclear submarine is the safest place in the entire world  plus it pays more to go under a lot of guys like to stay top side in the ocean
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rabidwolverine
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« Reply #12 on: March 21, 2008, 04:16:29 PM » |
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well thanks for the support. its not all that great. not being on the surface in bad sea states is a plus though. it also limits our ports though. but like everything theres pros and cons right.
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