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Canadian Poncho Homepage -> Canadian Poncho -> General Engine Performance Forum -> If my tires are bigger than yours.. What gear is it?
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427carl


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If my tires are bigger than yours.. What gear is it?
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I always knew how to change gears in speedo/trans , but wondered how to correct for tire size? A Acadian with 3.55's and E70-14 is different than a B-body with 3.55's and 825-14's    I found this formula today biggrin

speedo.jpg

speedo 001.jpg



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seventy2plus2


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Out here in Western Canada all we do is get on a straight stretch of North - South or East - West highway, and calibrate our speedo's by the road allowances.  When they surveyed Western Canada in the early 1900's, they put a 66' wide road allowance every 2 miles North/South, and every mile East/West. 

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70 2+2 convertible
70 2+2 hardtop
70 Parisienne hardtop

 

 
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Astro Jet


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In socialist Ontario, we can go to jail for using the methods you crazy westerners use... cowboy.gifbanned.gif

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Hillar

1970 LS4 (eventually an LS5) Laurentian 2dr hdtp
-and a bunch of other muscle cars...
4SPEED427


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Astro Jet wrote:

In socialist Ontario, we can go to jail for using the methods you crazy westerners use... cowboy.gifbanned.gif


And he forgot the most important part. We get on the north south roads so that we cross a road every mile. Then we drive it timing ourselves. When we cross a road every 30 seconds we know we've built a decent car...... wink

 



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1966 Strato Chief 2 door, 427 4 speed, 45,000 original miles 

1966 Grande Parisienne, 396 1 of 23 factory air cars (now converted to a "factory" 4 speed)
Pontiacanada


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Here on PEI we're lucky to get a stretch of straight road that's a 100 metres long! Ha, ha.

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'64 Parisienne CS "barn find" - last on the road in '86 ... Owner Protection Plan booklet, original paint, original near-mint aqua interior, original aqua GM floor mats, original 283, factory posi, and original rust.

66 Grande guy


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At least you're not bored to death. (unless Carl is coming, that is!)

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ken from northern Alberta

38 Willys pickup electric

39 Buick (327 with 700 r4)

66 Beaumont 4 door hardtop

69 Chevy CST pickup

1976 GMC 23'  motorhome

1994 Impala SS 

1968 Citroen Fourgonnette (Yeah Carl!)
4SPEED427


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You better clarify which Carl you mean!

There's 3 of us here. 2 in view, one "closet" Carl...........

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1966 Strato Chief 2 door, 427 4 speed, 45,000 original miles 

1966 Grande Parisienne, 396 1 of 23 factory air cars (now converted to a "factory" 4 speed)
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59poncho


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i just dont look at the speedo!!

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66 Grande guy


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That would be the Carl who says he crosses a mile of road every 30 seconds.  I assume that would be all three then?



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ken from northern Alberta

38 Willys pickup electric

39 Buick (327 with 700 r4)

66 Beaumont 4 door hardtop

69 Chevy CST pickup

1976 GMC 23'  motorhome

1994 Impala SS 

1968 Citroen Fourgonnette (Yeah Carl!)
87 player bird


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remember this important rule: what's behind you is not important!

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1965CS


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87 player bird wrote:

remember this important rule: what's behind you is not important!



 It is when you're unsure of their gender preference biggrin



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65 Custom Sport Convertible

Southern Alberta
unclebernie


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remember this important rule: what's behind you is not important!



 It is when you're unsure of their gender preference biggrin



 rofl.gif



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John

1972 Pontiac Lemans (daughter's car) 
2005 Pontiac Grand Am
2004 Ford Explorer Sport Trac
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cupedition


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^^^ Now name the movie that line was from .

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cupedition


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Carl Can you make it bigger so us folks with only 20/30 can read it ??? Thanks.

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427carl


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cupedition wrote:

Carl Can you make it bigger so us folks with only 20/30 can read it ??? Thanks.



 Sure I can...   you sound like my wife!



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cupedition


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Sorry my bad

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66 Beau


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cupedition wrote:

^^^ Now name the movie that line was from .



One of my favourite lines!   

"What's behind me is not important"

CannonBall Run if I remember correctly.  Wasn' t it the Italian driver in the Ferrari just after he tore off the rear view mirror?



-- Edited by 66 Beau on Saturday 1st of May 2010 09:51:21 AM

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87 player bird


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Close, Raul Julia in the "Gumball Rally"

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69-Tin Indian


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Remember, what's behind you isn't important? I guess, unless it's a car with an elaborate flashing
red light show going on. Then you just MIGHT want to pull over and see what HIS problem is. LOL!

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1969 Pontiac Parisienne Convertible
1969 Pontiac Grande Parisienne Hardtop
1961 GMC C930 1-Ton
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