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Are these really reliable engines?

This is a discussion on Are these really reliable engines? within the Internal Engine forums, part of the LSx Technical Help Section category; As I look through this forum I see so many posts about LS1's having all sorts of problems especially after ...

  1. #1
    Member DriveV8Faster's Avatar
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    Are these really reliable engines?

    As I look through this forum I see so many posts about LS1's having all sorts of problems especially after 100k miles. That doesn't sound very reliable to me, yet a lot of people swear these are reliable engines. So what is it? Lets say at 100k miles an LS1, that has been driven hard but given regular maintanence and oil changes, would it still be strong/good for more mods in most cases?

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    M6 King Hot Black Trans-Am's Avatar
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    If it's taken care of no problem. I've seen/heard quite a few 100k + LS1's that are modded drivin hard with no major problems. I don't think they have any more problems than the average engine. IMO any motor over 65k should be rebuilt for best reliable performance if your planning on doing big mods and pushing it hard often.

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    Member Fedge's Avatar
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    i bought mine with over 100k and it was bone stock. given the overall appearance of the car, i'm the moron for buying it...the rod bearings, or at least one, went at 133 on the odo...I would venture to say it wasn't well maintained at all...

    like any other motor though, i agree with Hot Black, if it has anything over that 60-70 mark and you plan heavy mods, it should be rebuilt anyway
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    member since may 2000 nhraformula's Avatar
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    all engines over 100k are subject to taking a shit if driven hard, not only LS1s
    2000 nhra edition formula
    a few bolt ons, 379 rwhp
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    they can last over 200k if taken care of.

    My friend has 160k on his 6spd LS1 and beats the piss out of it and it takes it like a champ.

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    Member Fedge's Avatar
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    Quote Originally Posted by 99blueZ View Post
    they can last over 200k if taken care of.

    My friend has 160k on his 6spd LS1 and beats the piss out of it and it takes it like a champ.
    well now i hope it doesn't shit the bed with that jinxy statement

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    Quote Originally Posted by Fedge View Post
    well now i hope it doesn't shit the bed with that jinxy statement
    haha nah dont worry - i've posted about its high miles before and its still going strong.

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    Member Fedge's Avatar
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    Quote Originally Posted by 99blueZ View Post
    haha nah dont worry - i've posted about its high miles before and its still going strong.
    lol, good, i like to hear about strong high-milers

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    JOSEY FUCKING WALES! Frankthetank's Avatar
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    Ive had two....one with 86k and my new one has only 40.....but I havnt seen an ls1 with any major problems that werent caused by ignorance, or poor maintenance

    wow that was a really cool link....makes me think about glueing together popsicle sticks into wings, making a seat on top of my ls1 and throwing a propeller on it
    Last edited by Frankthetank; 11-21-2006 at 05:11 AM.

    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

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    NO Problem

    I just turned 136,000, still going strong. If it was not for Smog in CA. I would Mod more. Just my $.02.

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    Member Fedge's Avatar
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    Quote Originally Posted by Frankthetank View Post
    Ive had two....one with 86k and my new one has only 40.....but I havnt seen an ls1 with any major problems that werent caused by ignorance, or poor maintenance

    as the case with mine, the previous owner was a dirtbag...unlike the guy who had my S10 Blazer....285,000 miles and it ran like a champ!

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