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Thread: Damaged LS1 engine on just purchaced HSV GTO 2002.

  1. #16
    peter b is offline Fair Contributor to the Forums Last Online: 07-05-2016 @ 09:33 PM
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    Re: Damaged LS1 engine on just purchaced HSV GTO 2002.

    First off I would be ditching the raptor blower....
    If you want blown go for a better blower these are in my honest opinion rubbish...
    Look at problem at hand best option rods and pistons.
    Look at aftermarket heads as an option but first and foremost you need to repair the bottom end. Forget about slinging blame as it will get you nowhere
    The engine has gone pop now to sort out why it popped build it and move on.
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    Phizzle is offline Forum Contributor Last Online: 21-01-2019 @ 03:45 PM
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    Re: Damaged LS1 engine on just purchaced HSV GTO 2002.

    If you bought privately you are the proud owner of a driveway warranty!

  3. #18
    HZute-efi-VS5L is offline Occasional Contributor to the Forums Last Online: 07-03-2015 @ 11:23 PM
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    Re: Damaged LS1 engine on just purchaced HSV GTO 2002.

    First of all thankyou for everyones input. No matter your opinion. I have thick skin and will listen to anyones thoughts.



    Quote Originally Posted by cashie View Post
    "fairly standard" normally doesn't include a blower, especially when talking about detonation.
    Who did the FI tune on it?
    I believe it was chevs preformance. (site sponcer)

  4. #19
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    Re: Damaged LS1 engine on just purchaced HSV GTO 2002.

    Quote Originally Posted by HZute-efi-VS5L View Post
    First of all thankyou for everyones input. No matter your opinion. I have thick skin and will listen to anyones thoughts.





    I believe it was chevs preformance. (site sponcer)

    The mob who did the tune doesn't really matter if the car was run on lower octane fuel than which it was tuned for; or, allowed to be starved of fuel in a high rpm / load situation. Even with the best tune in the world. an FI engine will go bang in those circumstances.

    The standing inference that it could be the workshop's fault is not only misleading, it is heading towards being defamatory, so be very careful....
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  5. #20
    bozodos is offline Forum Contributor Last Online: 14-04-2022 @ 09:54 PM
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    Re: Damaged LS1 engine on just purchaced HSV GTO 2002.

    if you're in the Renmark area, the guys at CAPA are well worth having a chat to in regards to your options, have always had good dealings with them!

  6. #21
    qwigybo is offline Occasional Contributor to the Forums Last Online: 25-09-2023 @ 12:21 PM
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    Re: Damaged LS1 engine on just purchaced HSV GTO 2002.

    well if it was a yellow one from vic i have a feeling it may've been at springnats last year where it broke a few things in the motor on the burnout pad sounded like it smashed a few valve springs

  7. #22
    HZute-efi-VS5L is offline Occasional Contributor to the Forums Last Online: 07-03-2015 @ 11:23 PM
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    Re: Damaged LS1 engine on just purchaced HSV GTO 2002.

    First of all thankyou for everyones input. No matter your opinion. I have thick skin and will listen to anyones thoughts.



    Quote Originally Posted by cashie View Post
    "fairly standard" normally doesn't include a blower, especially when talking about detonation.
    Who did the FI tune on it?
    I believe it was Chevs Preformance. (site sponcer and very helpful bloke on the times I have chatted to him for "free" advice.)


    Quote Originally Posted by macca33 View Post
    Not good mate, but honestly, last time we heard from you, you were having issues with it (fuel starvation, followed by sluggish performance and a perished / cracked fuel hose) and now you just 'threw it on a dyno' and it went bang??? Were they monitoring AFRs on the dyno run?

    What did you do in the interim, to ensure that fuel system was up to scratch, the car was running properly - safely - and that the tune was also safe? These FI cars have to be set-up and tuned properly - with safe margins - not on the edge, particularly if the fuel being used is not that which they have been tuned on.

    You say the car ran great when you picked it up; up until you had your issue, so how do you blame the previous owner, when he / she may not have known that there was an issue?

    Spray-on Hi-Temp Gasket Silicone is used by some workshops on heads, so it is not unusual.

    Good luck with the repairs, hopefully, you'll get it sorted on the rebuild.

    cheers
    Gday Macca. Yes mate I should have mentioned about the fuel supply issue I had. Honestly its hardly been driven since I fixed the cracked intank fuel hose. I spoke to Chevs Performance and was told it was a very safe baby tune. I assume Chev's do tunes? I dont really know to be honest.
    I did limp it home that time on 95 but have only used 98 since.

    When it was on the dyno the injectors where at 94%. So this suggests I need bigger injectors anyway?...... (they are green top ones now)



    Quote Originally Posted by cashie View Post
    Are you sure number 6 didn't happen with your lean out on the way home after you bought the car?
    Reading that thread, I think to say "it ran very smooth and quiet" before the dyno is a bit inaccurate..
    Maybe it did. but the break on the piston and the amount of crap in number 6 is not just from 150km of driving.... Which is all its done since the fuel supply issue.




    Quote Originally Posted by macca_779 View Post
    Sorry but reputable shop and raptor blower on an LSx don't go together. Check the compressor blades, I wouldn't put it past one being launched.


    iPad 2 HD
    Can you please explain your problem with raptor chargers? Chev's Preformance while they did not fit the whole charger (previous owner did some of the fitment himself), they did finish off the fitment. Are you suggesting that Chev's is not "reputable"?

    I have the charger off and will be stripping it down replacing the belt while engine is apart. Blades appear to be fine.



    Quote Originally Posted by qwigybo View Post
    wasn't a yellow one from vic was it ?
    No buddy. Silver.




    Quote Originally Posted by zorro View Post
    Shame it's happened but you can't claim negligence on the past owner or their chosen workshop for what 'may' have caused the issue. Your other thread dropped a bomb on a couple of things which wouldn't of helped either.

    If it were me I'd sell the blower and put the money towards a 383 for your motor as its going to be rebuilt and a tough little stroker will have oodles of torque and deliver it better than your blower

    Why sell the blower? Why not 383 it and keep the blower also?



    Quote Originally Posted by 255-LS1 View Post
    Agreed they are junk, but any debris would likely get lodged in the intercooler first??

    Oh well as they say you get lemons in everybasket. Did the owner produce receipts for all the alledged work performed?
    Why do you say they are junk? Can you please explain your problem with raptor chargers? Is it just because Yella Terra chargers etc are a "wank" factor? Because Im honest impressed so far with them. Im a machinist by trade and the quility of the workmanship of the raptor chargers seems very good.

    I have CAPA basically next door to me. I have considered seeing if they will do a deal with my raptor charger and fit one of theirs.....



    Quote Originally Posted by peter b View Post
    First off I would be ditching the raptor blower....
    If you want blown go for a better blower these are in my honest opinion rubbish...
    Look at problem at hand best option rods and pistons.
    Look at aftermarket heads as an option but first and foremost you need to repair the bottom end. Forget about slinging blame as it will get you nowhere
    The engine has gone pop now to sort out why it popped build it and move on.
    You say better blower? Why again I have to ask. what is wrong with raptor chargers? Can you please compare a different one to them maybe? And explain why it is better than a raptor one? Is it again "wank factor"

    I agree with what your saying. "move on". I was a little frustrated and flustered last night when I wrote the start to this thread lol. Main reason is because the previous owner will not comunicate with me anymore. before he was more than happy to. answered any questions I had. I asked the simple question of who removed and refitted the heads. He now wont talk to me. Answer me in any way. To me this seems sus.......

    Like you say its happened. Now move on. Im looking at spending around the 10,000 on it.

    I think its a cracked liner. So Im defiantly up for new liners, pistons. Rods? Crank? Maybe I stroke it.... Maybe I can up the bore size?

    So what way can I best spend my $10,000 is my question?

    Again thankyou for everyones input!

  8. #23
    planetdavo is offline Rarely Contributes to the Forum Last Online: 01-10-2014 @ 07:44 PM
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    Re: Damaged LS1 engine on just purchaced HSV GTO 2002.

    Who ever heard of a car being patched up and offloaded because it has a couple of expensive to fix faults...
    To the OP, it's unfortunate to hear of your issues, but a used car is "used" for a reason. Buyer beware, as they say. Some say they would NEVER buy a new car, but it does buy a degree of security about it's history...

  9. #24
    HZute-efi-VS5L is offline Occasional Contributor to the Forums Last Online: 07-03-2015 @ 11:23 PM
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    Re: Damaged LS1 engine on just purchaced HSV GTO 2002.

    Quote Originally Posted by hzute-efi-vs5l View Post
    first of all thankyou for everyones input. No matter your opinion. I have thick skin and will listen to anyones thoughts.





    I believe it was chevs preformance. (site sponcer)
    Quote Originally Posted by macca33 View Post
    the mob who did the tune doesn't really matter if the car was run on lower octane fuel than which it was tuned for; or, allowed to be starved of fuel in a high rpm / load situation. Even with the best tune in the world. An fi engine will go bang in those circumstances.

    The standing inference that it could be the workshop's fault is not only misleading, it is heading towards being defamatory, so be very careful....
    i will make this very clear. I am in no way blaming chevs preformance for these issues!!!!!! They did not do any of the internal engine work. They have been very helpful and from the discussions i have had with them i would be more than happy to take my car there!!

  10. #25
    peter b is offline Fair Contributor to the Forums Last Online: 07-05-2016 @ 09:33 PM
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    Re: Damaged LS1 engine on just purchaced HSV GTO 2002.

    Raptors are basically made with the cheapest components have had cars come with them on never an LS but had a v6 commo and a v6 hilux both were not impressive in design and made poor power when compared to a vortech. (in keeping apples with apples) As far as blower if wanted side mount your choices are vortech or pro charger. My preference is pro charger a much nicer kit to install and in my experience have made more power with the pro charger. Vortechs aren't bad by any means just have had a few issues with noise and some other problems with the kit itself.
    If you have a budget of 10,000 my best advice is get a set of darton sleeves go 4.125 bore do rods and pistons and a nice cam along with heads if you can budget for it. Go back to NA and when you can afford it buy yourself a better blower the raptors just dont work they are good for wank factor but that is it.
    The raptor blowers dont last and yes have seen results of one blowing up wasnt pretty. That is my 2 cents but for 10 grand you wont get a stroker.
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  11. #26
    qwigybo is offline Occasional Contributor to the Forums Last Online: 25-09-2023 @ 12:21 PM
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    Re: Damaged LS1 engine on just purchaced HSV GTO 2002.

    sounds like it was a patch up by previous owner and quick flog off had it happen to me a couple of times... unfortunately all you can do is just bring it back as an animal and stick it to him good luck with it all

  12. #27
    motorin on is offline Forum Contributor Last Online: 17-10-2020 @ 07:30 PM
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    Re: Damaged LS1 engine on just purchaced HSV GTO 2002.

    so after reading about all the things that can go wrong,as above ,is it possible to buy well below market value and not buy trouble,hopefully a desperation sale?

  13. #28
    Green Grenade is offline Rarely Contributes to the Forum Last Online: 23-01-2013 @ 05:27 PM
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    Re: Damaged LS1 engine on just purchaced HSV GTO 2002.

    Unfortunately "performance" cars are usually driven hard, hopefully maintained properly as well. The guy you bought it off obviously knew how he had driven & maintained it and when it was getting close to needing a "freshen up" and decided to sell it instead of doing just that.

    I look at it this way - now you have the opportunity to rebuild and drive it the way you want and be happy in your own mind that it's not going to self destruct as long as you look after it, you will probably sell it on when you feel it's getting tired down the track....

    It's the old story - We never make money on cars.

    Enjoy the rebuild

    Cheers John

  14. #29
    HZute-efi-VS5L is offline Occasional Contributor to the Forums Last Online: 07-03-2015 @ 11:23 PM
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    Re: Damaged LS1 engine on just purchaced HSV GTO 2002.

    Quote Originally Posted by Green Grenade View Post
    Unfortunately "performance" cars are usually driven hard, hopefully maintained properly as well. The guy you bought it off obviously knew how he had driven & maintained it and when it was getting close to needing a "freshen up" and decided to sell it instead of doing just that.

    I look at it this way - now you have the opportunity to rebuild and drive it the way you want and be happy in your own mind that it's not going to self destruct as long as you look after it, you will probably sell it on when you feel it's getting tired down the track....

    It's the old story - We never make money on cars.

    Enjoy the rebuild

    Cheers John
    Quite well said John. I play with classic old holdens so am used to pumping in cash haha!!

    Yeh it will be an interesting build for me. I have never built a preformance engine. Only ever really done stock for classics.

  15. #30
    HZute-efi-VS5L is offline Occasional Contributor to the Forums Last Online: 07-03-2015 @ 11:23 PM
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    Re: Damaged LS1 engine on just purchaced HSV GTO 2002.

    oops double post.

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