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Can Big Block Engine fit in a Pontiac Firebird '90?

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Old 09-14-2022, 10:36 PM
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Default Can Big Block Engine fit in a Pontiac Firebird '90?

Hi folks, please , someone know if a big block engine can fit in a pontiac firebird year 1990? I mean both width and height, keeping the original bonnet, not the raised one. Thank you so much guys, i very appreciate
Old 09-14-2022, 11:54 PM
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Why are you asking a big block question in a dedicated LS engine forum??
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Old 09-15-2022, 09:09 AM
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Originally Posted by Animale
Hi folks, please , someone know if a big block engine can fit in a pontiac firebird year 1990? I mean both width and height, keeping the original bonnet, not the raised one. Thank you so much guys, i very appreciate
No it will not fit
Old 09-15-2022, 11:13 PM
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As a thirdgen guy myself, I knew I'd seen some BBC cars before - here's a bit of info that I hope is helpful:


http://www.camarotech.com/Gen3-BigBlockSwap.html

https://www.camaros.net/threads/any-...s-here.176315/

And, oh yeah, here's a slightly-famous third-gen Firebird running a supercharged big-block:

http://www.pollymotorsport.no/index....ping=2&lang=en

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Animale (09-16-2022)
Old 09-16-2022, 03:25 AM
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Yes it can be done. Definitely the wrong forum. I suggest you head over to thirdgen.org. Plenty of info on anything you can think of over there.
Old 09-16-2022, 09:57 AM
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Thank you so much for the advice, I asked here on the forum because there could be someone who has already done so.



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