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ZR-1 ZR-1 ZR-1 ZR-1 ZR-1 ZR-1 ZR-1 ZR-1 Haibeck Automotive Technology
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Major Engine Power Upgrades Component Packages for a 350 Cubic Inch Engine Upgrade '90-'92 HP '93-'95 HP Original equipment engine power 375 405 Low back pressure exhaust system +10 +5 Performance engine calibration (chip) +10 +10 Subtotal 395 420 Long Tube Headers +25 +25 Subtotal 420 445 Top End Porting +30 +20 Subtotal 450 465 Cylinder Head Porting +35 +20 Subtotal 485 485 Aluminum Flywheel +15 +15 Total HP 500 500 Click on a link below for additional details about the upgrade component Long Tube Headers Top End Porting Cylinder Head Porting Aluminum Flywheel Complete Engine Packages The 500 HP 350 - Full porting, sized for a 350 cubic inch engine. - Long tube headers - Fidanza aluminum flywheel - Stock camshafts, smooth idle. - The most performance for your LT5 upgrade dollar $9,899. 368 Cubic Inches, 530 HP - Four inch liners with Diamond pistons - Full porting, sized for a 368 cubic inch engine. - Long tube headers - Fidanza aluminum flywheel - Stock camshafts, smooth idle. $15,675. 368 Cubic Inches, 550 HP - Four inch liners with Diamond pistons - Full porting, sized for a cammed 368 cubic inch engine. - Long tube headers - Fidanza aluminum flywheel - Extended duration camshafts, rough idle. $19,000. 385 Cubic Inches, 565 HP - Four inch liners with Diamond pistons and Oliver rods - Full porting, sized for a 385 cubic inch engine. - Conservative 3.820” stroke crankshaft maximizes durability - Long tube headers - Fidanza aluminum flywheel - Stock camshafts, smooth idle. $22,500. 415 Cubic Inches, 600 HP - Four inch liners with Diamond pistons and Oliver rods - Forged 4.125” stroke crankshaft. 4340 steel material - Maximum porting - Long tube headers - Fidanza aluminum flywheel - Stock camshafts, smooth idle. $22,710. 415 Cubic Inches, 650 HP - Four inch liners with Diamond pistons and Oliver rods - 4.125” stroke crankshaft - Maximum porting. The plenum port septum is removed. - Long tube headers - Fidanza aluminum flywheel - Extended duration camshafts, choppy idle. $28,600. All Crankshaft HP Specifications Are Calculated From Measured Dynojet Rear Wheel Power. The calculation assumes a 15% power loss through the drive-train. WHP/.85 = CHP For example: 550 WHP/.85 = 647 CHP |
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