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Post Info TOPIC: 400 small block confirmed in Oshawa B Body Wagons


A Poncho Legend!

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400 small block confirmed in Oshawa B Body Wagons


I recently was gifted  the "1974 Pontiac (350 & 400 V8 Orange Engines) Chassis Shop Manual Supplement" This manual verifies the use of the 400 sbc in Pontiac B Body Wagons made in Oshawa.

This has been a question about the use of the 400 small block in the B body line that we have not been able to confirm until now. The book is dated January 1974 Oshawa, Ontario. The engine specs are as follows:

400 V8 4BBL Single exhaust

180 Net HP @ 3800

290 lb ft @ 2400

RPO LT-4

There are 4 versions of the small block in this book as follows:

LeMans RPO L30 145HP 350 2BBL auto & manual
Pontiac RPO L30 145HP 350 2BBL auto
Pontaic RPO LM1 160HP 350 4BBL auto
LeMans RPO L-48 185HP 350 4BBL auto
Pontiac* RPO LT-4 180HP 400 4BBL auto

* "B" Wagon Only

Just my observation in the charts, 'Pontiac' refers to the big car or B body line and 'LeMans' to the A body line. It does not imply that a LeMans is it's own marque.

Models covered are Domestic Laurentian, Parisienne Brougham, Catalina, Le Mans, Le Mans Sport and Luxury Le Mans

I hope this is helpful information.

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Ray White, Toronto ON

1973 LeMans 454 "Astro-Jet"

Built March 9, 1973 - Oshawa ON

1993 Corvette Convertible LT 1

Built January 10, 1993 - Bowling Green Kentucky 

 




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Poncho Master!

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73SC wrote:


Just my observation in the charts, 'Pontiac' refers to the big car or B body line and 'LeMans' to the A body line. It does not imply that a LeMans is it's own marque.


Yes, Ray. I was around when the smaller carlines were introduced and it was assumed that Pontiac meant "full-size". Similarly, in the early 60's, Chevrolet meant "full-size".

If a guy was telling you about a specific car, when he said Chevy, we understood he was talking about the full-size car. Otherwise, he would say, "Chevelle" or "Chevy II", etc. He would never say, "Chevrolet Impala, or "Chevrolet Chevelle", unless he was just trying to mess with ya. wink



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Poncho Master!

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Ray, does that manual list the carb part numbers that came with each engine?  If so, I would appreciate getting that.smile

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Hillar

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


A Poncho Legend!

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Indeed it does Hillar, Why not have a look at it and we can copy whatever you want.

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Ray White, Toronto ON

1973 LeMans 454 "Astro-Jet"

Built March 9, 1973 - Oshawa ON

1993 Corvette Convertible LT 1

Built January 10, 1993 - Bowling Green Kentucky 

 


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