GAUGES: SPEEDOMETERS

Liquid Speedometers:

Dry Speedometers:

GLOSSARY OF TERMS
AERATION - The mixing of air (bubbles) with the water under the boat. This helps to lift the boat from the water to increase your speed. You do not want aerated water in the pitot tube as it will cause the speedo to read low. There should be solid (non-aerated) water running through the pitot tube.

CALIBRATION - The process of matching an instrument’s reading to a piece of test equipment with accurate data to ensure the gauge is reading properly. Speedometers cannot be calibrated in the field.

KICK-UP - A type of pitot tube that will swing out of the way if it hits debris in the water. Also good to clear a
trailer bunk or when beaching a boat.

PITOT (pee-toe) MOUNT - A part attached to the transom to pickup water (psi) as the boat travels through the water. This water runs through a hose to the mechanical speedo in the dash to register your speed.

TATTLE TALE - A device used to recall the highest speed traveled. On a GPS speedo this is done with the flick of a switch. On a standard speedo, the gauge will have a second pointer.


OTHER SPEEDO SERVICES
Repair of a dry speedo                             $40*                                                                           Change of MPH on a dry speedo                $65*
Repair of a liquid speedo                          $80*                                                                                  Change of MPH on a liquid speedo             $95*
*prices may vary depending on speedo condition

Private labeling available, see specific speedo for details

 

LIQUID SPEEDOMETERS
  • Hand made, calibrated and tested
  • Liquid filled to stabilize needed bounce
  • Large easy-to-read race style dial
  • Red light for night viewing
  • Fluorescent red needle
  • Equalizing bladder to increase accuracy
  • Brass and silver soldered movement
  • Private labeling available

 


LIQUID COMPETITION
SPEEDO


4” CUTOUT,
4 1/2" OVERALL

Add TT option for highest speed obtained without watching the speedo

Add
MPH
Add K-1
for KIT
Add
DIAL COLOR
Add
RIM COLOR
Part # example

GC

80   W W

45

60

80

100

120

140

160

170

200

KIT COMPONENTS

Gauge

25’ of GCH1/4 hose

GCM1A pitot mount assembly

BlacK
PLatinum
White

Black - BK
Blue - BL
Chrome - CH
Lime - L
Mustard - MU
Orange - O
Platinum - PL
Purple - PU
Red - R
Tangelo - TA
Teal - T
White - W
Black dial w/black rim gauge only From $235  
Black dial w/black rim full kit From $287  
16 oz bottle of glycerin $6  
High Speed Recall option   HSR $66  

Add $14 for colored rim, super rim not available
Private labeling available. One time art charge of $275 for new logo. For in-stock logo’s, add $35 per speedo

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LIQUID MONSTER
SPEEDO


4 3/4” CUTOUT,
5 1/8” OVERALL
Liquid-filled to prevent pointer bounce
Add
MPH
Add K-1
for KIT
Add
DIAL COLOR
Add
RIM COLOR
Part # example

LM

80   W W
 

80

100

120

140

160

KIT COMPONENTS

Gauge

25’ of GCH1/4 hose

GCM1A pitot mount assembly

BlacK
PLatinum
White

Black - BK
Blue - BL
Chrome - CH
Lime - L
Mustard - MU
Orange - O
Platinum - PL
Purple - PU
Red - R
Tangelo - TA
Teal - T
White - W
Black dial w/black rim gauge only From $316  
Black dial w/black rim full kit From $377  
16 oz bottle of glycerin $6  

Add $12 for colored rim, super rim not available
Private labeling available. One time art charge of $275 for new logo. For in-stock logo’s, add $35 per speedo

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LIQUID PRO
SPEEDO


3 5/8” CUTOUT,
4” OVERALL
Fiberglass reinforced polyamide case, no pointer stop to maintain
accuracy, brass and silver soldered movement
Add
MPH
Add K-1
for KIT
Add
DIAL COLOR
Add
RIM COLOR
Part # example

GL

100   W W

60

80

100

120

140

160

KIT COMPONENTS

Gauge

25’ of GCH1/4 hose

GCM1A pitot mount assembly

BlacK
PLatinum
White

Black - BK
Blue - BL
Chrome - CH
Lime - L
Mustard - MU
Orange - O
Platinum - PL
Purple - PU
Red - R
Tangelo - TA
Teal - T
White - W
Gauge only BK, PL or W From $255  
Gauge w/ Kit BK, PL, or W From $321  
16 oz bottle of glycerin $6  

 

Add $12 for colored rim, super rim not available
Private labeling available. One time art charge of $275 for new logo. For in-stock logo’s, add $35 per speedo

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DRY SPEEDOMETERS
  • Handmade, calibrated and tested
  • Easy-to-read dials
  • Red light for night viewing
  • Fluorescent red needle
  • Private labeling available
DRY SPORT
SPEEDO


3 5/8” CUTOUT,
4” OVERALL
High Speed Recall option for highest speed obtained
without watching speedo
Add
MPH
Add K-1
for KIT
Add
DIAL COLOR
Add
RIM COLOR
Part # example

GD

80   BK R

60

80

100

120
 

KIT COMPONENTS

Gauge

25’ of GCH1/4 hose

GCM1A pitot mount assembly

BlacK
White

Black - BK
Blue - BL
Chrome - CH
Lime - L
Mustard - MU
Orange - O
Platinum - PL
Purple - PU
Red - R
Tangelo - TA
Teal - T
White - W
Black dial w/black rim gauge only From $127  
Black dial w/black rim full kit From $194  
     

Add $9 for colored rim, super rim not available
Private labeling available. One time art charge of $275 for new logo. For in-stock logo’s, add $35 per speedo

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DRY SPORT II
SPEEDO


3 3/8” CUTOUT,
3 3/4” OVERALL
Standard 3 3/8” cutout, SAE stepped rim
Add
MPH
Add K-1
for KIT
Add
DIAL COLOR
Add
RIM COLOR
Part # example

GDS

100   BK CH

60

80

100

KIT COMPONENTS

Gauge

25’ of GCH1/4 hose

GCM1A1/8 pitot mount assembly

BlacK
Carbon Fiber
PLatinum
W
hite

Black - BK
Blue - BL
Chrome - CH
Lime - L
Mustard - MU
Orange - O
Platinum - PL
Purple - PU
Red - R
Tangelo - TA
Teal - T
White - W

Gauge only-     BK, PL  or W  dial + rim From $111  
Kit    BK, PL  or W  dial + rim From $182  

Add $9 for colored rim, super rim not available
Private labeling available. One time art charge of $275 for new logo. For in-stock logo’s, add $35 per speedo

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DRY SPORT II
SPEEDO with
MONSTER RIM


3 3/8” CUTOUT,
3 3/4” OVERALL
Standard 3 3/8” cutout, Monster or Super Rim
Add
MPH
Add K-1
for KIT
Add
DIAL COLOR
Add
RIM COLOR
Part # example

LMSGDS

80 PL   T

60

80

100

KIT COMPONENTS

Gauge

25’ of GCH1/4 hose

GCM1A1/8 pitot mount assembly

BlacK
Carbon Fiber
PLatinum
W
hite

Black - BK
Blue - BL
Chrome - CH
Lime - L
Mustard - MU
Orange - O
Platinum - PL
Purple - PU
Red - R
Tangelo - TA
Teal - T
White - W

Black dial w/black rim gauge only From $127  
Black dial w/black rim full kit From $215  

Add $9 for colored rim, super rim not available
Private labeling available. One time art charge of $275 for new logo. For in-stock logo’s, add $35 per speedo

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DRY LIVORSI II®
SPEEDO


3 3/8” CUTOUT,
3 3/4” OVERALL
Modern graphics
Domed lens
Moderately priced
Add
MPH
Add K-1
for KIT
Add
DIAL COLOR
Add
RIM COLOR
Part # example

GII

80   W W

60

80

100

KIT COMPONENTS

Gauge

25’ of GCH1/4 hose

GCM1A1/8
pitot mount assembly

BlacK
White


Black - BK
Chrome - CH
White - W
Black dial w/black rim gauge only From $78  
Black dial w/black rim full kit From $127  
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INTERNATIONAL SPEEDO

3 3/8” CUTOUT,
3 3/4” OVERALL
Modern graphics
Domed lens
Moderately priced
Add K-1
for KIT
Add
DIAL COLOR
Add
RIM COLOR
Part # example

INT70

  W BL

KIT COMPONENTS

Gauge

25’ of GCH1/4 hose

GCM1A1/8
pitot mount assembly

PLatinum
White

Black - BK
Blue - BL
Chrome - CH
Lime - L
Mustard - MU
Orange - O
Platinum - PL
Purple - PU
Red - R
Tangelo - TA
Teal - T
White - W
White dial w/white rim gauge only From $107  
Platinum dial w/platinum rim full kit From $153  
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Click image to view larger

Kit for GD, LML, GL gauges

Click image to view larger

Kit for GDS, LMSGDS, LII, LIISE gauges

F.Y.I.

In order to produce accurate speedo readings, the pitot tube must be placed in unaerated water.

New stepped bottom technology can make it tricky to get the pitot tube mounted correctly.

A thru-hull fitting allows the tube to be mounted on the step bottoms and the hose routed directly through the hull to the speedo, leaving no hose exposed.


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