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Ls1 Bottem End /

This is a discussion on Ls1 Bottem End / within the Internal Engine forums, part of the LSx Technical Help Section category; How Much Horsepower Will A Stock Bottem End Ls1 Take I Have A 1999 Corvette An Auto Trans All Stock ...

  1. #1
    Junior Member
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    Smile Ls1 Bottem End /

    How Much Horsepower Will A Stock Bottem End Ls1 Take I Have A 1999 Corvette An Auto Trans All Stock / I Have Tnt 150 Now But Looking To Buy Afr Heads Kooks Headers/ Cam / Fast Intake / New Lifters / Oil Pump / An Push Rods / I Do Not Drag My Car / I Drive About 3 Times A Month / It Has 34 Thousand Miles On It / Just Want Alittle More Horsepower Without Blowing My Bottom End Thanks For Looking /

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    Member M6HUGGERSS's Avatar
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    millenium yellow
    2002 corvette Z06

    there is not a single answer to that question. each part of the motor has a different breaking point. and more important than how much HP can it handle is how long do you want to car to last?

    400rwhp may last forever.
    500rwhp may last 10,000-50,000 miles
    600rwhp may last 1,000-25,000miles

    there are to many variables.

    keep it under 500rwhp and you should be fine for a while.
    315rwhp 98 SILVER Z28 (3500lbs)- SOLD
    400rwhp 99 HUGGER SS (3375lbs)- SOLD
    340rwhp 02 YELLOW Z06 (3040lbs)

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    Slower Than a 3rd Gen juiced99ws6's Avatar
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    99 Trans Am & 01 CBR 929

    since you have a stock transmission I am assuming that you also have a stock rear end. so you are in luck my man cause both of those will go out on you before your bottom end does

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    Veteran Hi-Po's Avatar
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    Quote Originally Posted by juiced99ws6 View Post
    since you have a stock transmission I am assuming that you also have a stock rear end. so you are in luck my man cause both of those will go out on you before your bottom end does

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    JOSEY FUCKING WALES! Frankthetank's Avatar
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    Yea......im only running 370rwhp and 350rwt and my stock a4 went outa couple weeks ago with only 47,000 on the car......7,000 on the cam job

    TSP Rumbler, LT's, TSP Tqr2, PRC 921 Springs, Comp Lifters, Chromoly 7.4" Pushrods, Titanium Retainers/Seats/Seals, ARP head bolts, BMR full Rear suspension

    "I could break a bowling ball with a plastic hammer in a sandbox"

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    Ultimate nothing
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    What is your budget? Your transmission is going to be the weakest link in your setup, the rear should hold quite a bit as it is a Corvette and not an F-body.

    How much power will it hold? Anywhere between 300 and 800 RWHP (I've seen ONE guy pull that off). It's all about the tune and not spinning the hell out of the engine.

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    Member danziger's Avatar
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    My stock bottom held 576rwhp/590rwtq (on the squeeze) NP, but eventually pushed a head gasket. There are guys that have gotten a couple years above 650rwhp (Harlan comes to mind), but that isn't the norm... The ring-lands usually go first.

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    Thanks For All The Replies /

  9. #9
    Ultimate nothing
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    Quote Originally Posted by danziger View Post
    My stock bottom held 576rwhp/590rwtq (on the squeeze) NP, but eventually pushed a head gasket. There are guys that have gotten a couple years above 650rwhp (Harlan comes to mind), but that isn't the norm... The ring-lands usually go first.
    It's all about the tune. Keep detonation out of your engine, it will last quite a long time. Replace the rod bolts though, as they will let you down especially at higher RPMs.

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