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My Turbo LSX Z31 Builld


nismo kid

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Purchased all these goodies for the 4.8
LJMS Stage 1 4.8 Turbo Cam
BTR 660 Dual Valve Springs with Titanium Retainers 
Comp 7.400 Hardened Push Rods
Straub Technologies Trunnion Kit
ARP Head Studs 
ARP Stainless Steel Valve Cover Bolts
ARP Stainless Steel Water Pump Bolts
ARP Stainless Steel Intake Manifold Bolts
ARP Stainless Steel Oil Pan Bolts
ARP Stainless Steel Timing Cover Bolts
ARP Balancer Bolt
ARP Camshaft Bolts
Summit 25% Underdrive Balancer 
Improved Racing Oil Pan Baffle
Meling 10295 High Oil Pressure Pump
Hinson Racing C7R Timing Chain
Billet EGR block Off Plate
LS7 Lifters
New Lifter Trays
GM Performance 12498544 Head Gasket
Dorman Drain Plug 65221(Deletes oil level sensor
New GM 12589016 Camshaft Retainer
New Oil & Coolant Plugs
New Cylinder Head Dowels
Dorman 635-518 Rear Main Seal Cover Set
New Gaskets for the entire engine
MS3 Gold Box
Siemens Deka 80 LB/HR Fuel Injectors
3 Bar Map sensor
Fast Fuel Rails(Scored these for 50$)
12.9 grade Rocker Arm Bolts

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After that I installed the valves & Premium BTR 660 valve spring kit. Then set the cylinder heads off to the side.

After that I installed the valves & Premium BTR 660 valve spring kit. Then set the cylinder heads off to the side.

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Carefully lowered the cylinder heads down over the head studs.After that I lightly applied ARP lube to the washer & threads of the nuts. Then I installed the washers & threaded the nuts down hand tight. Following GM's recommended torque sequence I tightened the 7/16" nuts in 3 equal steps to 80 ft lbs. The 5/16" nuts were torqued to 25 ft lbs.

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Continuing on I tossed in my pushrods & set the rockers in their respected places. With the engine in the number one firing position, I tightened exhaust valve rocker arm bolts 1, 2, 7, and 8 to 22 ft lbs. Then I tightened intake valve rocker arm bolts 1, 3, 4, and 5 to 22 ft lbs. 
I rotated the crankshaft 360° & tightened exhaust valve rocker arm bolts 3, 4, 5, and 6 to 22 ft lbs. Last but not least I tightened intake valve rocker arm bolts 2, 6, 7, and 8 to 22 ft lbs.

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After a few rotations I double checked all the rocker arm bolts with my torque wrench. Now that made sure I had no binding issues it was time to install my valve covers & Meling oil pump. I installed the Meling oil pump following their directions. Using 3 .0025 feeler gauges equally spaced between each rotor. Plus 3 more equally spaced .0025 feeler gauges between the largest rotor & pump casing. Then torqued the pump bolts to 18 ft lbs. Then secured pump cover using supplied bolts with a bit Loctite 242.

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The balancer started looking lonely on my work bench so I slapped it on followed by the ARP Balancer Bolt.Installed the F-Body windage tray & pick up tube. Rotated the engine a few more times to check for clearance. Then tossed the oil pan on. 

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