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How critical is piston deck height & quench distance for an LS1?

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Old 11-14-2003, 05:48 PM
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Originally Posted by 2000RATA
I hate to be a dick but J-Rod you did not write that yourself. That is word for word from I believe SpeedOMotive's website. I'll have to look tonight to be sure. Own up to it, you copied and pasted.

Chris
Ok, so don't be then. I did a search, found a better article on quench than I could write myself in a short period of time, and I pasted it in. In fact it came from a Pontiac site. I changed the wording since it made references in there about "I did this" or "I did that". Since I didn't I edited it to just speak on the facts, and not any personal "I did this". But for the record I keep my quech area around .035-.040.
Old 11-15-2003, 02:25 AM
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Like I said I'm not being a dick. I was just trying to razz you a little. I should have used the approiate emoticon to express that. I met you at the shootout. It's all good.

Chris
Old 11-15-2003, 11:26 AM
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Originally Posted by 2000RATA
Like I said I'm not being a dick. I was just trying to razz you a little. I should have used the approiate emoticon to express that. I met you at the shootout. It's all good.

Chris


Like those???? Don't worry, its all good...
Old 11-15-2003, 12:20 PM
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Glad to see you guys have a good handle on this.

I keep quench between .035-.045 max.

& I would also recomend Cometic gaskets. They have gaskets from .025 - .125 thicknesses & will custom make them for your application if neccessary.
Old 11-16-2003, 10:53 PM
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I keep quench between .035-.045 max.
& I would also recomend Cometic gaskets. They have gaskets from .025 - .125 thicknesses & will custom make them for your application if neccessary.
93Pony, with this being the case should I even bother decking the block? Should I just get a custom head gasket to obtain the desired 0.035"-0.045" depth and not worry if the pistons are 0.004" in the hole?ghhhh
Old 11-16-2003, 11:22 PM
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Originally Posted by John B
93Pony, with this being the case should I even bother decking the block? Should I just get a custom head gasket to obtain the desired 0.035"-0.045" depth and not worry if the pistons are 0.004" in the hole?ghhhh
That's what I did.
My new motor has the pistons .005 IN the hole. I bought .035 Cometics to get the right quench.

Which ever way is cheaper IMO....both ways will work.
Old 11-16-2003, 11:26 PM
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My pistons ended up being .010 out of the hole, and I run a .041 gasket. Great octane tolerance, zero problems so far with detonation. Motor runs great, despite the poor heads I have on there
Old 11-17-2003, 09:14 AM
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That's what I did.
My new motor has the pistons .005 IN the hole. I bought .035 Cometics to get the right quench.

Which ever way is cheaper IMO....both ways will work.
Excellent! My questions are now all answered!



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