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Canadian Poncho Homepage -> Canadian Poncho -> 1970 + Canadian Pontiac Power Train Forum -> When was a sbc a 400 and a 400bbc a 402?
Post Info TOPIC: When was a sbc a 400 and a 400bbc a 402?
427carl


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When was a sbc a 400 and a 400bbc a 402?
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We started, on another thread, about 10 bolt rear ends and  moved to engines.. 

My buddy, for many years, has a black 71 Monte Carlo  black on black on black  

1 of 379 4 speeds ..here's a rare shot of the build sheet, "proving" its a 400 4 speed with A/C  Its never been restored   We drove it, to Super Chevy in Indy, in pouring rain, and won second place against a 'trailer queen"
 
p.s. Kevin won the 50/50 draw at Steve Plunkett show  $2600.00 in cash







BEAN FEST ZURICH 05 012.jpg

Kevins (Medium).jpg

71 MONTE BUILT SHEET (Large).jpg




-- Edited by 427carl on Friday 29th of January 2010 10:50:15 PM

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73SC


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That is some sleeper, nice car for sure. So Carl it was a 402 Big block, yes?

In a Chevelle that engine was still marketed as the SS 396.

Monte Carlo's also got the 400 small block in subsequent years, I believe in 76 and 77.

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Ray White, Toronto ON

Formerly - The one and only 1973 LeMans 454 "Astro-Jet"

Built March 9, 1973 - Oshawa ON

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Built January 10, 1993 - Bowling Green Kentucky 

 
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rabbit64cs


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1971 Model Year

For the 1971 model year, Chevrolet was no longer offering two separate 402 cubic-inch big-block engines. Whether a buyer ordered a Chevelle SS with the base big-block engine, or a Malibu with the 400 engine option, in each case they received the LS3 400 engine rated at 300hp. Even the visual distinctions between the SS and non-SS big-block were gone for the most part, as in both cases the engine came with painted valve covers and a closed-element air cleaner. The one exception was the decal on the air cleaner -  "400" and "300 Horsepower" was used in the Malibu models, and "396" and "300 Horsepower" was used for the SS.  Also, if the SS model was also ordered with cowl induction, the special cowl induction air cleaner with the "396" decal was installed rather than the closed-element type.

1971LS3engine2thumb.jpg

71400buildsheetthumb.jpg

1971LS3enginethumb.jpg

Unrestored 1971 LS3 400 engine (note: chrome valve covers 
are not original)

Build sheet from 1971 
Malibu 400 with LS3 
engine highlighted

Factory illustration of 
1971 LS3 400 engine



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later...rog

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I'm a collector...not a builder!!Located in sunny central Saskatchewan at the lakehead!
427carl


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That is some sleeper, nice car for sure.

So Carl it was a 402 Big block, yes?


       yes  a LS3

 



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73SC


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Good informative post there Roger Rabbit!

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Ray White, Toronto ON

Formerly - The one and only 1973 LeMans 454 "Astro-Jet"

Built March 9, 1973 - Oshawa ON

1993 Corvette Convertible LT 1

Built January 10, 1993 - Bowling Green Kentucky 

 
4SPEED427


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I don't know where it went but there used to be one hanging around about 20 miles north of me here, same deal, 402 4 speed.

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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)
Elroy


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Also in 70. My buddy had a 402 70 Chevelle 300 4spd car. Rubber floor, radio delete. I coulda had the car for a thousand bucks but couldnt afford it ! Car came with no markings at all. The 402 is a .030 over 396 for those that dont know. GM had a bunch of 396 blocks that needed trueing up so they sold them as 396's but they were actually 402's.

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4SPEED427


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There was a Chevelle like that in Winnipeg as well. It seems to me the front fender said Malibu400 or some thing like that?

I am not a Malibu guy but my cruising buddy seemed to know about them. Supposedly this car could be proven authentic. This was over 20 years ago.

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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)
timbuk


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there is talk that the monte never came stock with a 4 speed.Was a big subject a FGMC.comLots of debate on that one.I own a 72 402 /t400 love the first gen montes,home of the 6 foot hood!

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2drpost


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Carl Stevenson wrote:

There was a Chevelle like that in Winnipeg as well. It seems to me the front fender said Malibu400 or some thing like that?

I am not a Malibu guy but my cruising buddy seemed to know about them. Supposedly this car could be proven authentic. This was over 20 years ago.


read all about the malibu 400....

http://www.shapeconsulting.com/malibu400/400facts.htm

 



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4SPEED427


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Interesting page Dave, thanks.

The Winnipeg car had the emblems behind the wheels so it must have been a 71-72 based on that. It's been too long to remember which one for sure.

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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)
73SC


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Agreed, excellent reading, very informative indeed.

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Ray White, Toronto ON

Formerly - The one and only 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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Beaumont4008


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Thats info I never new before. Always thought they were talking about a small block 400 when refering to a Malibu 400. Good read.

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OURWAGON


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I ALSO OWNED A 71 MONTE , 402 WITH 4 SPEED AND POSI, TAC ETC. ORIGINAL CAR!!!
SOLD IT TO A GUY FROM CORONA, SARNIA AREA

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davelacourse


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rabbit64cs wrote:

1971 Model Year

For the 1971 model year ... (lots of cool info)

Wow, I never knew that. Learn something every day!

Thanks Rog.

Dave

 



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CdnGMfan


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In 1970 the Monte Carlo could have a Turbo Fire 400 small block (2-barrel 265 hp LF6) or the Turbo Jet 400 (actually a 402 4-barrel 330 hp LS3). Both engines in 1970 were offered with a Muncie M20 4-speed or a Turbohydramatic (TH350 on the LF6 or TH400 on the LS3). In 1971 & 1972 the LS3 (402) was the only "400" on the Monte Carlo. The 4-speed Monte Carlos were dropped before the end of 1971 Monte Carlo production.

For 1973 the 402 was gone for good. In 1974 the Turbo Fire 400 2-barrel small block returned to the Monte Carlo line and also made its first appearance on Chevelles. For 1975-1976 the small block 400 was a 4-barrel, and the Turbo Fire, Turbo Jet & Turbo Thrift naming was retired. Although the 400 small block was dropped from all passenger car lines after 1976, it lived on in 4wd pickups, Blazers & Suburbans, plus the G vans through 1980.



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timbuk


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well there yago them manual montes are rare stuff!See alot more chevelles than montes for sure....a shot of my 72 402

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chevy4ever


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My brother has a 72 monte carlo custom with a factory 402 turbo 400 disc brakes and factory 14 inch rally rims. His manual shows a maintence program for 4speed, and convertible, which was never made. Most 4 speed cars went to Nascar that is why most are automatic.

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