Product Summary

  • Horsepower Ratings are Calculated for Rear Wheel Horsepower
  • Horsepower Measured at Flywheel
  • Engine Displacement to Compression Ratio
  • Tire Diameter to Speed and Gear Ratio
  • MPH, Power to Weight Ratios, and E.T.
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Key Specs

MFG. Part #89650
BrandMoroso
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Need To Know

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Moroso 89650 Details

Ever wonder what changing tire diameter or gear ratio will do to your engine RPMs? How about changing combustion chamber size, bore and stroke or even weight to power ratio?

This handy little slide rule will give you the answers. Everyone needs one!

  • MPH, Power to Weight Ratios, and E.T.
  • Tire Diameter to Speed and Gear Ratio
  • Engine Displacement to Compression Ratio
  • Horsepower Measured at Flywheel
  • Horsepower Ratings are Calculated for RearWheel Horsepower 

Moroso 89650 Specifications

KEY SPECS
MFG. Part #89650
BrandMoroso

Ratings & Reviews

5

1 Review

5

1 reviews

5

1

4

0

3

0

2

0

1

0

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It is very helpfull at zeroing in on QC gears.

5.0

8 years ago

none

S, Wales NY

Verified

I don't know if it is perfectly accurate but it really is quick and easy way to get close to gear selections

Would Recommend

Showing 1 of 1 reviews

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