Tag: TORQUE

PONTIAC 455, PART 4

PONTIAC 455, PART 4

  Build, text and photos by Mike Mavrigian   Note: This engine, as well as all of our engine projects, is designed, test-fit and assembled by Mike Mavrigian’s Birchwood Automotive facility in Creston, OH. Now that the block, oil pan, valley cover plate and timing cover have been painted, we can begin final assembly.   [...]

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SNAP ON TORQUE/ANGLE WRENCH REVIEW

SNAP ON TORQUE/ANGLE WRENCH REVIEW

   NEW TOOL REVIEW –   TESTING SNAP-ON’S ELECTRONIC TORQUE/ANGLE WRENCH MODEL TESTED: MODEL ATECH3FR25O   Snap On’s Tech Angle wrench includes a protective plastic case. The new wrench is available in several versions (1/4, 3/8 and 1/2-inch drive, Nm & angle, and Nm/ft-lb/in-lb & angle). The unit I tested is model ATECH3FR250A, which features [...]

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TOOL REVIEW: TORQUE PLUS ANGLE IN ONE TOOL

TOOL REVIEW: TORQUE PLUS ANGLE IN ONE TOOL

  Snap-On’s new Tech Angle wrench includes a protective case and is available in several versions, including 1/4″-drive, 3/8″-drive and 1/2″-drive. The digital torque wrench is capable of operating in several modes, including ft-lb, in-lb, Nm and angle of rotation. The unit I tested is ATECH3FR250A, which features 1/2″-drive.   TESTING SNAP-ON’S NEW ELECTRONIC TORQUE/ANGLE [...]

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TORQUE & ANGLE IN ONE WRENCH

TORQUE & ANGLE IN ONE WRENCH

  Finally, a torque wrench designed for pros that combines torque-plus-angle capabilities in an easy-to-use package. Snap-on’s Heavy Duty TechAngle™ Torque and Angle Wrench (ATECH4R600) will change the way you torque. “The Snap-on Heavy Duty TechAngle™ Torque and Angle Wrench eliminates the need for angle gauges and protractors, providing the most accurate and efficient way [...]

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NEW ARP ULTRA-TORQUE ASSEMBLY LUBE

  Following years of extensive R&D, the engineering team at ARP® has developed a revolutionary new high performance fastener assembly lubricant that is superior to commonly used oil, moly and other lubes. ARP Ultra-Torque® allows builders to torque fasteners within 5% of their required preload on the first “pull,” virtually eliminating “preload scatter,” and ensures [...]

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PROJECT LS2: Final Prep and Dyno (Part 2)

PROJECT LS2: Final Prep and Dyno (Part 2)

The COMP Cams billet aluminum belt tensioner is adjustable for belt tension and offers rock-solid serpentine belt guidance.

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MEASURING CONNECTING ROD BOLT STRETCH (Part 3)

MEASURING CONNECTING ROD BOLT STRETCH (Part 3)

continued from Part 2 Considering the anticipated forces that a set of rod bolts will encounter during high-performance engine use, it doesn’t make sense to compromise by tightening with torque alone. Two examples of rod bolt stretch gauges. A variety of manufacturers offer these tools. The bottom anvil (stationary pointed pin) is adjustable to accommodate [...]

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MEASURING CONNECTING ROD BOLT STRETCH (Part 2)

continued from Part 1 CYCLIC FATIGUE PROTECTION Whether measured by stretch or tightened by torque, rod bolts MUST be installed with the proper amount of preload (bolt stretch) in order to provide proper clamping force. If a rod bolt is installed without sufficient preload, every revolution of the crankshaft will cause a separation between the [...]

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PROJECT LS2, PART 3 (C)

PROJECT LS2, PART 3 (C)

Goodson reluctor ring installer jig is an absolute must for installing LS crank timing wheels. The Goodson tool indexes the ring via the 8mm hole in the ring face. The 8mm dowel is pictured here. It’s attached to a tang on the outside of the tool. An internal dowel in the tool engages into the [...]

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