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What will the bottom end hold

This is a discussion on What will the bottom end hold within the Internal Engine forums, part of the LSx Technical Help Section category; Right now my car has 420 to the wheels and I was thinking of adding a little juice but I ...

  1. #1
    Member krusemj's Avatar
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    artic white
    2001 WS6 Trans Am

    What will the bottom end hold

    Right now my car has 420 to the wheels and I was thinking of adding a little juice but I am not sure my stock bottom end will be able to handle it. What is the going idea on how much power can be run safely.
    “The democracy will cease to exist when you take away from those who are willing to work and give to those who would not.”
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    Grand Imperial Wizard Sarge's Avatar
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    Retired Outlaw Sum Bitch

    Rod bolts and pistons dont like it.....here lets take a look at an LS1 ( mine ) putting down 500+ with a little shot of N20......



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    2004 HEAD/CAM CTS-V 9t8z28's Avatar
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    Thats so cool! Nice job Sarge!

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    Run what you brung
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    i was putting over 521 to the wheels for 3 years with no problem on the stock bottom end when i had it. you should be ok. but usually anything more than 530 i have noticed doesnt hold for very long. but that always depends on whether that 500+ is constant on boost or speratic like on nitrous.

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    Verry Nice! 1LE4ME's Avatar
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    1998 Camaro Z28 M6

    I'd worry more about over-revving the engine. I read in a car mag that you shouldn't turn the stock bottom end past 6800 RPM
    1998 Camaro Z28 1LE: TR Cam (plus normal cam install upgrades), Ceramic coated Pacesetter Headers, ORY, SLP Loudmouth (SOOOO Loud), B&M shifter, Lid, All free mods, Tubular Panhard, LS7 Clutch

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    Member danziger's Avatar
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    Life in the Fast lane sunsetorangess's Avatar
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    Theres only one way to find out, Try it, The books say the bottom end will hold a little bit over 500hp to the wheels, although any higher and the connecting rod bolts should be replaced, Also keep in mind if you havent upgraded the valve train this may be a good time, ie push rods.
    J
    2001 SS, Its not the car its the Driver that matters....

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