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what length pushrods with this cam...

This is a discussion on what length pushrods with this cam... within the Internal Engine forums, part of the LSx Technical Help Section category; I've got a XR269-H14 Cam, which I want to use with Harland Sharp 1.8 Rockers, anybody can tell me what ...

  1. #1
    Junior Member
    Join Date
    Jan 2007
    Location
    Germany
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    what length pushrods with this cam...

    I've got a XR269-H14 Cam, which I want to use with Harland Sharp 1.8 Rockers, anybody can tell me what length pushrods I need? I have stock Heads and Gaskets, Cam Specs are:

    Intake Exhaust
    Valve Adjustment 0 0
    Gross Valve Lift 0.525 0.532
    Duration At 0.006 Tappet Lift 269 273


    Valve Timing At 0.006
    Open Close
    Intake 23 66
    Exhaust 73 20


    These Specs Are For The Cam Installed At 112 Intake CL
    Intake Exhaust
    Duration At 0.05 216 220
    Lobe Lift 0.309 0.313
    Lobe Separation 114

  2. #2
    Junior Member
    Join Date
    Dec 2007
    Location
    Austin, TX
    Posts
    92

    Pewter
    2002 Trans am WS6 T-top

    Iam no means an expert, but the 7.4 lenght rods will work. In all and all, that cam is about two step higher that and oem stick with a stock idle. The differant ratio rocker arms will also help. Basicly, the only time differant lenght rods are need: soild lifters, heads are milled
    big time, and exotic rocker arm replacements.
    Iam pretty sure if Iam wrong someone will correct me.

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