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Post Info TOPIC: how much work to put in a 454 in a 1975 lemans


Canadian Poncho Superstar!

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how much work to put in a 454 in a 1975 lemans


Pretty darn easy......Most of the small block parts you mention work fine, just a few specific things you will need. Engine mounts = Same, Power Steering = Same but you'll need to sort out brackets, Fan Shroud = same. You'll need a new or recored rad, oil pan, flex plate headers/manifolds are all big block specific. Just use 454 Chevelle parts.

Check out this thread, CLICK HERE and ask me anything you need to know.

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-- Edited by 73SC on Tuesday 12th of November 2013 08:06:21 PM

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Ray White, Toronto ON

1973 LeMans 454 "Astro-Jet"

Built March 9, 1973 - Oshawa ON

1993 Corvette Convertible LT 1

Polo green metallic & tan  - Bowling Green Kentucky 






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hello i have the 75 cup car missing motor was a canadian 350 .  friend has a rebuild 454 i have alot of small block parts but no big block parts will the motor mounts power steering pump bcakets ect from a small block work  or is there more involed     thanks guys



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w.desjarlais


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thanks alot for the motor came out of a wreck chevelle

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w.desjarlais


Canadian Poncho Superstar!

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Just read my swap thread, it is very straightforward to do, just make sure you get the right oil pan and Flexplate. You may also need to get different power steering brackets, that was actually the hardest thing to sort out. As I said ask me any questions that come up.



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Ray White, Toronto ON

1973 LeMans 454 "Astro-Jet"

Built March 9, 1973 - Oshawa ON

1993 Corvette Convertible LT 1

Polo green metallic & tan  - Bowling Green Kentucky 






Canadian Poncho Superstar!

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willard wrote:

thanks alot for the motor came out of a wreck chevelle


 Get as much out of the Chevelle as possible especially brackets for power steering, keep engine mounts from Chevelle and all rad and heater hoses for reference. If you have exhaust manifolds that would  be a plus if you are not doing headers,.



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Ray White, Toronto ON

1973 LeMans 454 "Astro-Jet"

Built March 9, 1973 - Oshawa ON

1993 Corvette Convertible LT 1

Polo green metallic & tan  - Bowling Green Kentucky 






Poncho Master!

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Well, technically, work = force times distance. So, assuming the big block, all dressed is 600 lbs and assuming you'd have to lift it 4 feet, Work would be 4*600=2400 ft-lbs.


Sorry. Couldn't resist.


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