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Canadian Poncho Homepage -> Canadian Poncho -> 1970 + Canadian Pontiac General Forum -> Colonnade wheelbases
Post Info TOPIC: Colonnade wheelbases
Jonno


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Colonnade wheelbases
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OK, so a regular Colonnade coupe (LeMans, Century, Chevelle, Cutlass S) with the semi fastback roof has a 112" wheelbase. The formal roof coupe (Grand Prix, Regal, Monte and Cutlass Supreme) has the same wheelbase as the sedan, 116".

My question is, where does the extra four inches go?

My first wild guess would be rear seat legroom

Second wilder guess - longer hood?    confuse

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Jonno

1990 Mazda Miata MX-5   5 speed stick

1992 Dodge Dakota SLT Shortbox    5 speed stick

1968 Oldsmobile Delta 88 2-door hardtop  455-TH400
gparis7


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I don't know - but I'd go with the second guess.

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76GLM


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Hood, having owned both. The rear leg room is about the same.

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427carl


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Jonno wrote:

OK, so a regular Colonnade coupe (LeMans, Century, Chevelle, Cutlass S) with the semi fastback roof has a 112" wheelbase. The formal roof coupe (Grand Prix, Regal, Monte and Cutlass Supreme) has the same wheelbase as the sedan, 116".

My question is, where does the extra four inches go?

My first wild guess would be rear seat legroom

Second wilder guess - longer hood?    confuse


My info says 112 for 2 door  116 for 4 door   73-77     where did you get your info?

  



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gparis7


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I had always thought 112 for all 2 doors, but I'm no expert on these cars.

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62 Catalina 2 dr post project

69 Parisienne 2 dr ht 427

55 Bel Air 2 dr post 265PP/PG

68 Bel Air 2 dr post BB project

 
Jonno


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Looks like I am wrong folks, I hang my head in shame!
I guess all two door Colonnades are 112" WB. For some reason I had it in my mind that the GP/Monte/Regal/Supreme were on the longer 116" WB.
Sorry about that!  no

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Jonno

1990 Mazda Miata MX-5   5 speed stick

1992 Dodge Dakota SLT Shortbox    5 speed stick

1968 Oldsmobile Delta 88 2-door hardtop  455-TH400
427carl


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Do not let it happen again!  no      

If you do,     you will only be allowed on the site at night!!  rofl.gif

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