Blown Head Gasket
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From: houston TX
Blown Head Gasket Well as I was changing the oil today I found water. So now im thinking I should lower the compression so this won't happen again. Pistons, Rods, Gaskets, Bolts... What parts should I use(dished or flat pistons etc and brand), and where can I find a good deal on these parts? I am running a procharger at 7-8psi and I might bump up the boost later if the engine can hold up. My goal is to have a reliable DD that can hold 600-650 rwhp. BTW I am running 1997 heads. Thanks for the help.
Matthew
Matthew
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Gasket What type of gaskets were you using and the heads were they the small chamber, What was your plugs gapped at, did you have studs or the bolts on top end. If your only at 7-8 psi something went wrong, been threw most of the problems myself.
I am in the same boat as you but it is not leaking like yours. I would go with a good set of piston, here is some info on that.
https://ls1tech.com/forums/forced-induction/344982-best-forged-piston-forced-induction.html
If you have the cash I would replace the rods at the same time, and if you realy want to spend the cash go for a set of low compresion heads sence they are off any way. Which should take full use of that GT2-3, along with turning up the boost a bit, and you should meet your 600-650 DD goal, with no problem.
Oh ya you said you have 97 heads, not sure how they would be to a set of AFR 205, 225,s. My next choice
https://ls1tech.com/forums/forced-induction/344982-best-forged-piston-forced-induction.html
If you have the cash I would replace the rods at the same time, and if you realy want to spend the cash go for a set of low compresion heads sence they are off any way. Which should take full use of that GT2-3, along with turning up the boost a bit, and you should meet your 600-650 DD goal, with no problem.
Oh ya you said you have 97 heads, not sure how they would be to a set of AFR 205, 225,s. My next choice
Originally Posted by 618HAWK
I am in the same boat as you but it is not leaking like yours. I would go with a good set of piston, here is some info on that.
https://ls1tech.com/forums/showthread.php?t=344982
If you have the cash I would replace the rods at the same time, and if you realy want to spend the cash go for a set of low compresion heads sence they are off any way. Which should take full use of that GT2-3, along with turning up the boost a bit, and you should meet your 600-650 DD goal, with no problem.
Oh ya you said you have 97 heads, not sure how they would be to a set of AFR 205, 225,s. My next choice
https://ls1tech.com/forums/showthread.php?t=344982
If you have the cash I would replace the rods at the same time, and if you realy want to spend the cash go for a set of low compresion heads sence they are off any way. Which should take full use of that GT2-3, along with turning up the boost a bit, and you should meet your 600-650 DD goal, with no problem.
Oh ya you said you have 97 heads, not sure how they would be to a set of AFR 205, 225,s. My next choice
Chris is there a problem with your motor??
Clint
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Originally Posted by 1FASTLS
What type of gaskets were you using and the heads were they the small chamber, What was your plugs gapped at, did you have studs or the bolts on top end. If your only at 7-8 psi something went wrong, been threw most of the problems myself.
So what about connecting rods? Is there something I should be looking for, or should I just buy the least expensive forged connecting rods I can find?
Last edited by JESTERSS; Aug 13, 2005 at 10:29 AM.
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From: houston TX
After doing some research (thanks for the link 618HAWK), I have ordered diamond pistons, manley rods, and ARP head studs. I plan on getting hell fire rings. Any suggestions for gaskets or will the stock gm gaskets be ok?
Thanks for the help.
Thanks for the help.
Originally Posted by JESTERSS
After doing some research (thanks for the link 618HAWK), I have ordered diamond pistons, manley rods, and ARP head studs. I plan on getting hell fire rings. Any suggestions for gaskets or will the stock gm gaskets be ok?
Thanks for the help.
Thanks for the help.
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You could have save a couple hundred bucks and got SBC forged rods and ran them backwards. This is a common thing to do and sence SBC rods are cheap as hell and are just as strong as any forged ls1 rod they work great.
Other than that sounds like you are on your wat to doing it all right. I would have got the diamond rings when you ordered your pistons. You are going to have to set your ring gap. Find out how much power you want to run in the future and do some math to fugure out your ring gaps or you can just do what everyone else does and copy someone elses setup.
Other than that sounds like you are on your wat to doing it all right. I would have got the diamond rings when you ordered your pistons. You are going to have to set your ring gap. Find out how much power you want to run in the future and do some math to fugure out your ring gaps or you can just do what everyone else does and copy someone elses setup.
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Originally Posted by goober35
You could have save a couple hundred bucks and got SBC forged rods and ran them backwards. This is a common thing to do and sence SBC rods are cheap as hell and are just as strong as any forged ls1 rod they work great.
Originally Posted by JESTERSS
Where can I find Hellfire rings made for the stock 3.905 bore LS1?
you can get a Tnt ring which is pretty much the same as helfire, but is avalable in the 3.905 bore.
Originally Posted by goober35
You could have save a couple hundred bucks and got SBC forged rods and ran them backwards. This is a common thing to do and sence SBC rods are cheap as hell and are just as strong as any forged ls1 rod they work great.
