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09-07-2010, 09:45 PM

1998TA__1991RS

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what do you guys think the limit is on a stock ls1 aluminum block and a stock crank? at what point would it start pushing water with arp head studs and MLS gaskets?

09-07-2010, 11:29 PM

mike13

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That's a loaded question, it's not really the amount of boost but cyclinder pressure, do a search there is some threads that have personal experience with this issue.

09-08-2010, 12:29 PM

1998TA__1991RS

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what about this, could i push it over 25lbs if i have zero knock and be able to keep the heads down for a couple of passes?

09-08-2010, 01:32 PM

novaflash2002

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Well I don't think u will make it through the burn out. 18psi with a ton of meth and a little race fuel added u might make a pass

09-08-2010, 01:33 PM

ChevyChad

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Quote:

Originally Posted by 1998TA__1991RS

what about this, could i push it over 25lbs if i have zero knock and be able to keep the heads down for a couple of passes?

I wouldnt even think of doing that, but there truly is only one way to find out.. Try it and let us know how that works out for ya

09-08-2010, 01:50 PM

1998TA__1991RS

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Quote:

Originally Posted by novaflash2002

Well I don't think u will make it through the burn out. 18psi with a ton of meth and a little race fuel added u might make a pass

the car has been making 18 for the past 20 passes on pump gas with no meth and no knock, im looking to turn it up a little

09-08-2010, 01:53 PM

1998TA__1991RS

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the motor has forged rods and pistons and 317's with studs. im just wondering what the block will hold, i know the stock cranks can be good to around 1000hp

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