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36-1 Crank Trigger Wheel
36-1 Crank Trigger Wheel
8 1/4" 36-1 Crank Trigger Wheel (Options: Slots or No Slots)

8 1/4″ 36-1 Crank Trigger Wheel (Options: Slots or No Slots)

5 out of 5 based on 3 customer ratings
(3 customer reviews)

$32.99

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Description

Add precision crankshaft timing to your engine with our robust laser-cut 36-1 Crank Trigger Wheel, engineered specifically for those seeking high accuracy in timing control. This wheel is designed to fit older American engines, which often have large crank pulleys, and ensures smooth and reliable operation thanks to its balanced construction.  Whether you’re upgrading to a modern ignition system or adding a crankshaft position sensor to your build, this trigger wheel provides an easy, bolt-on solution for enhanced engine performance.

Features

  • Diameter: 8 1/4″
  • Thickness: 1/8″
  • Center Hole: 1/2″ diameter, with room to enlarge for larger crank bolts
  • Radial Locating Slots: Six slots (optional)
  • Tooth Height: 1/4″ high
  • Fits Crankshaft Pulleys Up To: 7 3/4″ in diameter
  • Balance Hole: Includes a balance hole for smooth, balanced rotation
  • Designed for: older American engines with larger crank pulleys

Specifications

  • Material: Laser-cut steel
  • Diameter: 8 1/4″
  • Thickness: 1/8″
  • Teeth Height: 1/4″
  • Center Hole Diameter: 1/2″ (can be enlarged)

Included in Box

  • 8 1/4″ 36-1 Crank Trigger Wheel

Customer reviews

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3 reviews for 8 1/4″ 36-1 Crank Trigger Wheel (Options: Slots or No Slots)

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What MegaSquirt versions does this trigger wheel work with?

  • MS1/Extra, MS2/Extra, MS2 Bowling & Grippo, and MS3 firmware all have support for the 36-1 pattern. Some of the traditional MegaSquirt versions may require hardware mods. “Pro” wire in systems like the MS3-Pro and MicroSquirt can use this with no internal ECU mods.

What cylinder counts can this be used with?

  • MegaSquirt code supports using a 36-1 pattern for 1, 2, 3, 4, 6, 8, and 12 cylinder engines. The latest MS3 code is also capable of running this on 7 cylinder radial engines. 5 or 10 cylinder engines require a tooth count divisible by 5.

Can this be used with a non-MegaSquirt ECU?

  • Many other ECUs support a 36-1 pattern, although we have not tested our trigger wheels or sensors with them. Consult your ECU documentation for details.

How do I measure what size trigger wheel I need?

Can this wheel be bored out to make a ring shaped trigger wheel?

  • If you need to bore it out for a larger size than a typical crank bolt diameter, we recommend using one of our unslotted trigger wheels instead.

Can trigger wheels be ordered in custom diameters or with mounting holes pre-drilled?

  • We are not able to deliver custom trigger wheels with a reasonable cost or turnaround time. Our current lineup can be adapted to most engines with some fabrication.

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