Dedicated to the Promotion and Preservation of American Muscle Cars, Dealer built Supercars and COPO cars. |
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#11
01-11-2015, 02:59 AM
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Re: 1969 L48 help
This is a picture of a very original 69 chevelle L34 automatic I had bought from the original owner. The air cleaner lid is chrome
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69 RS SS L78 conv 69 RS SS ZL1 69 L78 Chevelle conv 69 L78 Nova 69 L34 Nova 67 SS Chevelle 73 Trans Am 
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#13
05-21-2015, 11:00 PM
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Re: 1969 L48 help
In '69 a #621 bell housing was installed on the L48 engine (w/4spd.)
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I currently own a 1969 Camaro SS350. Although the original drivetrain is long gone, this 4/speed car has a March '69 HC coded block with #041 heads. The transmission is an M20 Muncie #660 case and the rearend is a BS coded 12 bolt posi. Built in Van Nuys.
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#14
05-21-2015, 11:09 PM
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Re: 1969 L48 help
Damn, I recently got a good deal on a 403 and mint 10.4" flywheel. I didn't think it would come standard with an 11" clutch.
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1972 Chevelle SS 454 4 speed 1969 Chevelle 2dr Hardtop - factory L48/M20/3.31 12 Bolt posi
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#15
05-21-2015, 11:47 PM
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Re: 1969 L48 help
According to Jerry M's book that #403 would go on a '69 Z/28 (was also used on many late 1960's Chevys) and was designed to accommodate a 10.4" clutch assembly. The 4th. edition is a very informative book if you ever want to pick up a book on 1969 Camaros.
Sal
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I currently own a 1969 Camaro SS350. Although the original drivetrain is long gone, this 4/speed car has a March '69 HC coded block with #041 heads. The transmission is an M20 Muncie #660 case and the rearend is a BS coded 12 bolt posi. Built in Van Nuys.
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#16
05-22-2015, 01:35 AM
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Re: 1969 L48 help
That figures, I bought the flywheel and bell housing from a guy who mostly restores first Gen Camaros. Thanks for the tip on the book. I'm always looking for information and photos of L48-related subject matter. Phil, (woj) has been a big help.
I think what threw me off as well, I have an HA stamped block. That decodes as a 69' A, F, or X body 350/300 HP w/ MT. Then it appears a block stamped HP would be the same application + a heavy duty clutch. I've never seen a block stamped HP, so not even sure if they exist.
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1972 Chevelle SS 454 4 speed 1969 Chevelle 2dr Hardtop - factory L48/M20/3.31 12 Bolt posi
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#17
05-22-2015, 07:47 PM
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Re: 1969 L48 help
Go to Camaro Research Group or camaros.org---it is very informative as well. [img]<<GRAEMLIN_URL>>/biggthumpup.gif[/img]
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I currently own a 1969 Camaro SS350. Although the original drivetrain is long gone, this 4/speed car has a March '69 HC coded block with #041 heads. The transmission is an M20 Muncie #660 case and the rearend is a BS coded 12 bolt posi. Built in Van Nuys.
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#18
05-22-2015, 09:37 PM
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Re: 1969 L48 help
what is the full name of that book? .... I need to find it
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I like cars more than I like people .....
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#19
05-23-2015, 10:26 AM
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Re: 1969 L48 help
The book is called "The Definitive 1969 Z/28-SS396 Fact Book" by Jerry MacNeish. The one I have is the revised 4th. edition. The book also includes SS350 and COPO L72 information.
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I currently own a 1969 Camaro SS350. Although the original drivetrain is long gone, this 4/speed car has a March '69 HC coded block with #041 heads. The transmission is an M20 Muncie #660 case and the rearend is a BS coded 12 bolt posi. Built in Van Nuys.
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