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L92 and boost

   
Old Oct 26, 2016 | 12:34 PM
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Default L92 and boost
Hi I am building an l92 for boost and was wondering can I push 700whp l92 heads? I plan on getting scat rods weisco Pistons and run a stock crank with main studs. What Pistons should I get for boost?
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Old Oct 26, 2016 | 12:39 PM
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Is the L92 still together? If so, leave it together and add boost.
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Old Oct 26, 2016 | 12:52 PM
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It is torn apart because of a bad lifter, I am getting lifter bores machined and bushes as I had some damage
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Old Oct 26, 2016 | 12:53 PM
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I heard the l92 heads have a thin deck and will start to float?
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Old Oct 26, 2016 | 12:54 PM
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Let me redirect you to this EXACT same post you made last month.

https://ls1tech.com/forums/forced-in...l92-boost.html
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Old Oct 26, 2016 | 03:07 PM
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Yeah but I have been reading that the factory heads have a thin deck that floats
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Old Oct 26, 2016 | 04:18 PM
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Originally Posted by ricardo.benin
Yeah but I have been reading that the factory heads have a thin deck that floats
Stop reading so much.
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Old Oct 26, 2016 | 04:20 PM
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Originally Posted by ricardo.benin
Yeah but I have been reading that the factory heads have a thin deck that floats
I've taken my L92 heads and factory LS3 intake to 28lbs on MANY occasions. They are no different than a 799/243/806/823 castings. The only "thick deck" factory heads are the LSA.

Square your tune up and let it eat. 700whp is a joke for a good running L92 motor.
Last edited by oscs; Oct 26, 2016 at 07:08 PM.
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Old Oct 26, 2016 | 04:20 PM
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Originally Posted by JoeNova
Stop reading so much.
This.
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Old Oct 27, 2016 | 12:50 AM
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Appreciate it, I tend to be a book worm.
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Old Oct 27, 2016 | 08:08 AM
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Originally Posted by ricardo.benin
Appreciate it, I tend to be a book worm.
It's better than the opposite that's for sure.
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Old Oct 30, 2016 | 03:11 PM
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So just an update, the Pistons have some ware on then so I can going to replace them primarily as I found a good set of Mahle Pistons, L92314070F05 there specs are L92/LS3 Chevy PowerPak Piston & Ring Kit
  • Forged 4032 High Silicon Aluminum Alloy
  • Bore: 4.070"
  • Pin Diameter: 0.927"
  • -4cc Dome Volume
  • Compression Ratio @70cc: 10.1:1
Will these Pistons help in making the power I want as compression is lower, I don't know a whole lot about compression numbers.
Thanks
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Old Oct 30, 2016 | 06:37 PM
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Originally Posted by ricardo.benin
So just an update, the Pistons have some ware on then so I can going to replace them primarily as I found a good set of Mahle Pistons, L92314070F05 there specs are L92/LS3 Chevy PowerPak Piston & Ring Kit
  • Forged 4032 High Silicon Aluminum Alloy
  • Bore: 4.070"
  • Pin Diameter: 0.927"
  • -4cc Dome Volume
  • Compression Ratio @70cc: 10.1:1
Will these Pistons help in making the power I want as compression is lower, I don't know a whole lot about compression numbers.
Thanks
10.1 is the most compression I would use on a FI motor. Those Pistons will work.
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Old Oct 30, 2016 | 08:03 PM
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Could I further lower compression with a thicker head gasket?
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Old Oct 30, 2016 | 10:58 PM
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Yes. Run ls9 gaskets and head studs. Might as well install bigger valve springs while heads are off.
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Old Oct 31, 2016 | 10:55 AM
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Ok , will do
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Old Oct 31, 2016 | 10:56 AM
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Ok thanks
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