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Location:  Main Index » Forum Index » Chevrolet Cars 1958-1970 » 1965-1966 Fullsize Chevys » Speedometer gear question
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Username Post: Speedometer gear question        (Topic#355161)
Johnny468 
"12th Year" Silver Supporting Member
 Posts: 790
Johnny468
Loc: Richmond, Va.
Reg: 10-24-08
 02-09-19 11:52 AM - Post#2759475    

I have a 65 Impala with a Muncie M22.

It has a 3.90 rear axle ratio and 28” rear tires.

Which speedometer gear should I use?

Thanks,

Johnny

1965 Impala SS
505/4-speed/3.90


 

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craig32 
Frequent Contributor
 Posts: 1301

Age: 57
Loc: PA
Reg: 08-05-07
 02-09-19 03:13 PM - Post#2759493    
    In response to Johnny468

You'd probably be better off with an electric speedometer.




 

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Crusty66 
"6th Year" Gold Supporting Member
 Posts: 337
Crusty66
Age: 59
Loc: Albany, eNZed
Reg: 11-04-12
 02-09-19 03:58 PM - Post#2759495    
    In response to Johnny468

check this site for how to calculate
Muncie 4-speed speedo gear
. this site has gears for sale. Muncie speedo gears

Steve
1966 Caprice 396 496 496mkII TH400


 

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centsless 
Contributor
 Posts: 134
centsless
Loc: Forest Hill MD
Reg: 10-28-13
 02-09-19 04:02 PM - Post#2759496    
    In response to Johnny468

Try This:
https://transmissioncente r.net/shop/speedometer-ge...
Hope it helps!

Bob
66 Impala convertible
66 Biscayne 427 2 door post
66 Caprice 4 door hardtop
66 Impala 9 pass wagon
66 Caprice 2 door
81 Corvette
96 DGGM Impala SS
01 S10
15 Silverado
2003 Crown Victoria LX Sport "Icky Vicky"
1965-66 FSCC member


 

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aghaga 
"4th Year" Silver Supporting Member
 Posts: 2187
aghaga
Age: 64
Loc: Altavista, Va.
Reg: 07-05-08
 02-10-19 06:53 AM - Post#2759530    
    In response to Johnny468

22 tooth gray will be close



 

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Johnny468 
"12th Year" Silver Supporting Member
 Posts: 790
Johnny468
Loc: Richmond, Va.
Reg: 10-24-08
 02-10-19 06:50 PM - Post#2759583    
    In response to aghaga

Thanks Aaron.

1965 Impala SS
505/4-speed/3.90


 

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427SS65 73
"15th Year" Platinum Supporting Member & Moderator
 Posts: 14622
427SS65
Age: 73
Loc: St. Louis, MO
Reg: 12-11-03
 02-17-19 05:42 PM - Post#2760137    
    In response to Johnny468

There are charts for this in the Reference Area.

Tom 65-70 Full Size Team Moderator

View My Photos Here

65 Impala SS Tahitian Turquoise


 

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