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anyone have the 1:8.5 roller rockers?......

This is a discussion on anyone have the 1:8.5 roller rockers?...... within the Internal Engine forums, part of the LSx Technical Help Section category; .........and if you do, did you notice a difference? i know it's the easy way out of doing a cam. ...

  1. #1
    5 ltr. beater
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    anyone have the 1:8.5 roller rockers?......

    .........and if you do, did you notice a difference? i know it's the easy way out of doing a cam. I plan on doing a cam in the future but for now, i just want some quick HP. I hear they are definately worth it. anyone else wanna chime in?

  2. #2
    Senior Member mrr23's Avatar
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    dark bowling green
    2000 corvette

    i have the vinci/crane 1.8 accelerated lift rocker kit on the wife's car. i know a guy over on ls1tech that swapped from the SLP 1.85 to the vinci/crane rockers and picked up 10 rwhp. here's the dyno from the wife's car.

    dyno 9 before
    dyno 11 500 miles later
    dyno 14 10 months later


  3. #3
    member since may 2000 nhraformula's Avatar
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    black
    2000 nhra edition formula

    i had them. dollar to dollar compared to making h.p they are a waste.
    best bet is to save up for a cam swap.
    i learned that the hard way
    2000 nhra edition formula
    a few bolt ons, 379 rwhp
    11.96 @113.25

  4. #4
    Member Transam388's Avatar
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    White
    98 Trans AM

    You need to watch out also with the 1.8 rockers as you will depending on the cam you get later might cause the valves to hit the pistons and / or the valve covers. There are some valve cover spacers available. I went back to 1.7 and a more aggressive cam and got rid of the 1.8 rockers. IMO they are not worth it.

  5. #5
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    They were one of the 1st mods I did. They did bring up the Tq & Hp a fair amount. But when I installed them I also swaped out my clutch & Fw and balancer all at the same time so I am not sure where I picked it all up, power and torque.

    When I replaced the arms I also installed new springs, retainers and locks, and push rods. I am still running them to this day, but with a blower to boot. So they are working great for me with my power and torque are nice and close.

    Back when they were installed never planed on F/I or realy getting into the motor with the mods. But for what they cost with the springs, retainers and locks. Iwould now go with a cam of your choice and upgraded springs, lock, retainers and pushrods and you be set. As it is I plan on a cam swap so I will have to go back to the stock 1.7,s to keep things in check.
    2001 WS6 Artic White, M6,Procharger D1SC, Custom air box for use of stock filter and location, and ram air function.ATI Superdampner 8 rib drive 540.3Hp 533.8Tq @ 9psi,

  6. #6
    Junior Member pewter02z's Avatar
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    pewter
    2002 z28

    I just added 1.8 crane rockers Friday and I love them. You definitely feel the power, also it quieted down most of my valvetrain noise
    2002 pewter z28 a4 stripper
    Performance: slp lid, k&n filter, cold air kit, borla exhaust wide open,1.8 crane roller rockers,
    Vinci Tuner
    18'' chrome Z06, NT555 275's front, BFKADW2 295's rear, red calipers

  7. #7
    Senior Member mrr23's Avatar
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    dark bowling green
    2000 corvette

    good deal.

  8. #8
    5 ltr. beater
    Guest
    Quote Originally Posted by pewter02z
    I just added 1.8 crane rockers Friday and I love them. You definitely feel the power, also it quieted down most of my valvetrain noise
    where did you get them from and how much? i'm really curious.

  9. #9
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    Do they have any problems clearing the 98 style valve covers?

  10. #10
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    Quote Originally Posted by dcrews
    Do they have any problems clearing the 98 style valve covers?
    No installed a set under a buddys 98 perimeter style valve covers with no problems.

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