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12-30-2023, 03:45 AM
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#1 |
 
Drives: ls3 Mustang Join Date: Feb 2015
Location: Michigan
Posts: 173
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New Gm L8T crank for Ls or Lt
New L8T 6.6 gas cranks ..... These are the better steel cranks found in the newer 2020-2023 gas Silverado and GMC HD2500 trucks and vans.... .Great stroker cranks for Ls…
$550 ..plus shipping.......60lbs with box from Mi. 48240 3.860 stroke 58x crank trigger 8 bolt flywheel pattern Center counter weighted design Ls iron blocks need clearenced slightly for the center counter weights,,,,,aluminum Ls blocks don't need clearance... |
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01-01-2024, 10:35 AM
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#2 |
          
Drives: 2010 2SS/RS Join Date: Dec 2009
Location: Clarksville Tennesse.
Posts: 6,064
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What would displacement be with one of these with stock rods?
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Orange Krush II
1LE Front sway bar, Splitter, shocks and struts, Z28 dual mode mufflers, Intake, UCA Bushings, and Toresen 3.91 Diff. 1 piece DSS Drive Shaft, ZL1/C7 Calipers, and 32mm JPSS Rear Bar. ASC race spec splitter and wicker. 6th Gen M017 Wheels. Stainless Works 1 7/8 LTs. DSE and PAFDT Suspension components. |
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01-02-2024, 01:56 PM
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#3 |
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Drives: ls3 Mustang Join Date: Feb 2015
Location: Michigan
Posts: 173
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Can't use a stock rod unless you want Wiseco or someone to make a custom piston.........Mast Motorsports and Scoggin Dickey has Wiseco make them pistons for a 6.125 rod...............Some guys use 6.2 long rods and order a common piston for 4.0 stroke and 6.125 piston to end up at zero deck heigh......
You have a crank stroke that is .238" longer than the typical 3.622" of an LS, so your pin height has to move up in the piston by .119". The math does work out for a 1.12" pin height using an L8T crank and 6.200" rods length with a common piston for a 4" stroke/ 6.125" rod ........Got that ?? |
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01-02-2024, 09:35 PM
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#4 |
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Drives: 2010 2SS/RS Join Date: Dec 2009
Location: Clarksville Tennesse.
Posts: 6,064
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Huh no
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Orange Krush II
1LE Front sway bar, Splitter, shocks and struts, Z28 dual mode mufflers, Intake, UCA Bushings, and Toresen 3.91 Diff. 1 piece DSS Drive Shaft, ZL1/C7 Calipers, and 32mm JPSS Rear Bar. ASC race spec splitter and wicker. 6th Gen M017 Wheels. Stainless Works 1 7/8 LTs. DSE and PAFDT Suspension components. |
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01-03-2024, 05:40 AM
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#5 |
Drives: 2010 Turbo LS3 Join Date: Dec 2009
Location: Palm Bay, FL
Posts: 2,736
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Based on the 3.86 stroke, 400 CID if you use 4.065 (stock bore) pistons. 402 if you hone it out to 4.07
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2010 SS - On3 kit with downpipe cutout, CTR 78/80, CompCam 239/251 620/632 122+4, E85, Z28 suspension and ZL1 diff with Outlaw axles. Gen6 ZL1/1LE brakes.
2011 Vert - 416/w 230/236 .612/.602 115lsa, 1LE suspension w/32mm rear bar. Z28 diff. ZL1 brakes. |
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