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post #1 of (permalink) Old 10-21-2003, 04:04 PM
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Stock HP/torque on a 454?

as the subject asks [img]images/graemlins/smile.gif[/img] im currious.
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post #2 of (permalink) Old 10-21-2003, 04:22 PM
 
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Re: Stock HP/torque on a 454?

What year?

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post #3 of (permalink) Old 10-21-2003, 04:32 PM
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Re: Stock HP/torque on a 454?

im not sure.. 80s, brand new. i seena number some place it was 425hp, but im not sure if thats right. so i guessed here [img]images/graemlins/smile.gif[/img] tis soudns about right [img]images/graemlins/smile.gif[/img]
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post #4 of (permalink) Old 10-21-2003, 08:49 PM
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Re: Stock HP/torque on a 454?

Carb'd - I'd say no more than 210HP, prolly 380TQ
TBI - At least 210HP, maybe a tad more, close to 400TQ.
Vortec - I'm trying to remember what my dad's '98 was rated at... 290HP/410-430TQ I think. Torque varied with the tranny.

That 425 rating is either massaged (i.e. NOT STOCK) or a stock LS5-454 from the early 70s.
post #5 of (permalink) Old 10-24-2003, 04:32 PM
 
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Re: Stock HP/torque on a 454?

GM has 425 hp 454 crate engine, thats brand hammerin new. but that isnt stock. Thats rectangle port heads and roller cammed.
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post #6 of (permalink) Old 10-24-2003, 07:38 PM
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Re: Stock HP/torque on a 454?

^^^^ yeah thats the one i was looking at [img]images/graemlins/smile.gif[/img]
post #7 of (permalink) Old 10-25-2003, 04:57 AM
 
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Re: Stock HP/torque on a 454?

from the manuels iv looked at moste of the 80 carb 454s in trucks are are arownd 210 [img]images/graemlins/scs.gif[/img]
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post #8 of (permalink) Old 10-25-2003, 12:06 PM
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Re: Stock HP/torque on a 454?

what would be chaper to do? to buy a 454 brandnew with 425HP, or buy the 454 block, and build it from there ?
post #9 of (permalink) Old 10-26-2003, 01:49 AM
 
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Re: Stock HP/torque on a 454?

it would probley be cheaper to just buy a crate engen in the long run depending on what all you would want to do if you bilt one

engen parts, machen shops, gasgets, hardwhare, sealls it all ads up

but if your owne you could bild it ecsacley how you want it, torke curve, power band, and the pride of haveing an engen you bilt

[img]images/graemlins/scs.gif[/img]
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post #10 of (permalink) Old 10-26-2003, 01:03 PM
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Re: Stock HP/torque on a 454?

88 TBI = 240 HP and 385 ft./lb. of torque. buy a gm crate, run it how it is for 3 years until the warranty runs out, then do what you think it needs for improvement.
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