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#1
04-06-2007, 02:47 PM
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454 in 86 bird
i have a 1986 firebird and it currently has a 2.8l v6 resting between the fenders...i want more grunt...will a 454 fit or is it to big?
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"In order to change the world you have to get your head together first" -Jimi Hendrix 
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#2
04-06-2007, 03:10 PM
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Re: 454 in 86 bird
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#3
04-06-2007, 05:25 PM
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Re: 454 in 86 bird
More grunt?!? You call going from a 2.8 V6 to a 454 more grunt?!? I'd hate to see what you call alot of grunt.
454 is at the upper limits of driveable... total - freaking - pig on gas. And I mean that in the purest of senses. I get somewhere around 8 MPG, however I just pulled it, and am redoing some things. I'll post up when I get it back together if there's any change in the mileage. Funner than hell to drive, but christ is it a thirsty engine!
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 Cheesesteak..... It does a body good.- - - - - - - - - - - - - - - - - - - - - - "All you want to talk about is money, let's talk about love, and sex... forget love, let's just talk about sex. "
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#4
04-06-2007, 05:40 PM
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Re: 454 in 86 bird
you have a 454 in your '70? sweet.
i drove a 1st gen with a 572 once, that was too much without warmed drag radials, it spun the wheels in forth with just the tiniest feathering of the throttle.
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Seatbelts Saved My Life 
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#5
04-07-2007, 02:19 PM
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Re: 454 in 86 bird
It can get squirrelly real quick in any gear. It doesn't come out of the garage if it's raining, or has just rained. Can't wait to see what it's like with all the compression issues, vacumm leaks, exhaust leaks, intake leaks, etc fixed.
__________________
Cheesesteak..... It does a body good.- - - - - - - - - - - - - - - - - - - - - - "All you want to talk about is money, let's talk about love, and sex... forget love, let's just talk about sex. "
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#6
04-08-2007, 08:08 PM
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Re: 454 in 86 bird
yeah but gas mileage isnt a problem for me cause this is my project car...i have a 91 celica gt...40 mpg im good...o and earl "alot of grunt" would be a twin turbo 572...or something similar
__________________
"In order to change the world you have to get your head together first" -Jimi Hendrix
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#7
04-08-2007, 08:32 PM
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Re: 454 in 86 bird
If streetability is a factor, consider and LSx swap, but that will still be a lot of work.
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Apperance Mods: Firebird wheels of mysterious origin  , Floormats  , and a quarter sized dent behind the passenger door from a TV I dropped! 
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#8
04-09-2007, 09:47 AM
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Re: 454 in 86 bird
OK, but a 454 is a very thirsty engine. I understand you have a daily driver, but... for any type of driving off the track, a 454 is expensive to run. (Almost sorta wish I'da got with with a suped up 350 instead. At $3+ a gallon, I almost don't even want to drive it more than a couple miles at a time.)
Do what you want, but if you're gonna run this thing all over the place when it's done (to shows, out for dinner, night on the town)... IMO you should put something a little easier on the wallet. 8 mpg doesn't sound TOO bad until you half to stop 2x-3x in one night to get gas at $60-$75 a tank. Twin turbo 572? Are you related to Babs?
__________________
Cheesesteak..... It does a body good.- - - - - - - - - - - - - - - - - - - - - - "All you want to talk about is money, let's talk about love, and sex... forget love, let's just talk about sex. "
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#9
04-10-2007, 08:18 PM
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Re: 454 in 86 bird
no im not related i just have a twisted imagination
__________________
"In order to change the world you have to get your head together first" -Jimi Hendrix
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