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05-29-2011, 04:10 AM
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#1 |
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Registered User
Join Date: Jul 2009
Location: washington
Posts: 4,178
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need help with speedo calibration
so i just swapped my trans from a 700r4 to a stout th350 and camaro gauges. the long short is that the shop must have got lazy and threw in a green driven gear, and a green drive gear and the driven gears teeth got smashed. luckily there was no damage to the drive gear. so right now a have a brown driven gear in there just to make sure things work, as it stands i register about 20mph on the speedo at aprox 35-40 actual.
my setup has 2:73 gears out back and 275 50 16 tires that are about 26.50 tall anybody know which gears i need to change to and what?
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377 sbc thumpr cam autogear m23 muncie 3:73 Detroit trutrac 3''spintech prostreet mufflers xpipe 1 3/4 headers build thread !http://67-72chevytrucks.com/vboard/s...d.php?t=577217 Iroc gauge threadhttp://67-72chevytrucks.com/vboard/s...d.php?t=554511 |
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05-29-2011, 11:39 AM
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#2 |
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Happy to be here
 
Join Date: Mar 2000
Location: Cypress, TX
Posts: 39,021
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Re: need help with speedo calibration
Go to Bowtie Overdrives site LINK and look under Speedo Gears. It should tell you exactly what you need.
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Follow me on Facebook and Instagram @N2trux.com Articles- "Jake" the 84 to 74 crewcab "Elwood" the77_Remix 85 GMC Sierra "Scarlett" "Refining Sierra" |
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05-29-2011, 07:25 PM
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#3 |
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BAD BOW-Silverado XST
Join Date: May 2000
Location: Senior Member from Austin, TX
Posts: 6,431
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Re: need help with speedo calibration
Tire size = 26.83"
Drive gear / driven gear in order of best accuracy 20 - 41.00 gear - dead on 19 - 38.95 ~ 40 gear - a fraction off 18 - 36.90 ~ 37 gear - a fraction off http://www.tciauto.com/Products/Tech...eedo_gears.asp |
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