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Thread: 1.85 Ratio VTPC?

  1. #1
    Join Date
    Feb 2008
    Location
    Gainesville, Fl
    Posts
    212

    1.85 Ratio VTPC?

    Hey guys im upgrading my 1.75 compcam rockers to 1.85 ratio. Which makes my new lift .600/.595, do you guys think i will have any valve to pistion clearance issues? Or should i be alright, also i have flat top pistons.
    Thanks
    04 Silverado RCSB
    02 LS1 Shortblock(Stock)
    LS6 CAM - 204/219 .551/.548 117.5
    243 Heads w/ Light Weight Valves
    Exhast- LT Pacesetters w/ory, 3" Straight pipe
    Suspension- DJM 4/6, Doetsch Shocks, Caltracs
    Need a ported DBW TB > http://www.ls1truck.com/forums/sale-...ale-trade.html

  2. #2
    Join Date
    Feb 2008
    Location
    Gainesville, Fl
    Posts
    212
    Wow no one has any opinions?
    04 Silverado RCSB
    02 LS1 Shortblock(Stock)
    LS6 CAM - 204/219 .551/.548 117.5
    243 Heads w/ Light Weight Valves
    Exhast- LT Pacesetters w/ory, 3" Straight pipe
    Suspension- DJM 4/6, Doetsch Shocks, Caltracs
    Need a ported DBW TB > http://www.ls1truck.com/forums/sale-...ale-trade.html

  3. #3
    Join Date
    Apr 2003
    Location
    Mansfield, Texas, USA
    Posts
    2,462

    Thumbs up

    Won't see much if any gains to offset that cost. That's my opinion.

    4.8 also have flat top slugs... so you need to be certain you have clearance.
    The superior man is modest in his speech, but exceeds in his actions. - Confucius

    "He who asks of life nothing but the improvement of his own nature, is less liable than anyone else to miss and waste life."- Henri Frederic Amiel

    '01 Chev Z71 LT - '85 BMW 745i TURBO - '88 BMW 750iL - '88 Ford F150 XLT Lariat - '79 MB 240D - '79 MB 280S Euro
    '80 MB 380SE-5.0 Euro - '85 MB 300SD - '87 MB 300SDL - 1990 MB 300SEL - '91 MB 300SE - '91 MB 560SEL

    Let's face it, the red hair... makes 'em wet.


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