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11-20-2007, 07:32 PM
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#1 |
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Registered User
Join Date: May 2007
Location: north carolina
Posts: 80
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early '90s 454 and turbo 400
i posted this in the engine forum but didnt get much help so ill try here. i found a 454 and turbo 400 in a early '90s dually. i can get the motor,trans, radiator'and all the accesories for $800. it runs good and no smoke. my question is what kind of power will this give me? i know it wont have the power of the older 454's but will it be a fun to drive motor in a weekend street truck? i would probably put a small cam in it just for sound other than that i dont want to spend a lot of money on it. thanks for any help.
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11-20-2007, 07:43 PM
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#2 |
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All stock and staying that way
  
Join Date: Jul 2003
Location: Elkland, PA
Posts: 2,076
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Re: early '90s 454 and turbo 400
The factory rated the 454 in the early 90's with 230hp and 385 ft/lbs of torque. The CR, cam and heads are limiting the HP on those engines.
__________________
1970 K/5 Blazer CST 4WD, TOTM winner December 2024! Medium Bronze poly, 93k ACT. miles, 350, 4 speed, rear positraction, 16.5" x 8.25" HD Kelsey Hayes wheel option, tilt, tach, vacuum, AM/FM, manual throttle...Dad ordered and purchased new 4/70. Currently frame off restoration finally getting close to completion..  1970 K20, To be a clone of my Grandfather's K20, Dark Blue poly, 350, 4 speed, 16.5" X 8.25" Kelsey Hayes wheel option, tilt, tach, vacuum, AM radio. Latest project truck 1972 Cheyenne Super 20 2WD, Dark Blue/White, 90K ACT. miles, 402, TH400, 4.10 open, tilt, tach, vacuum, A/C, AM/FM, manual throttle.. A mostly original paint never rusted Texas survivor...  2017 Sierra 1500 SLT 4WD, Black, 46k miles, 5.3, 6L80E, 3.42 LS, 20" polished wheels, everything but moonroof and 6.2... 2019 Canyon SLT 4WD, White, 67k miles, 3.6, 8L45, 3.23 LS, 18" wheels |
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11-20-2007, 08:08 PM
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#3 |
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Registered User
Join Date: May 2007
Location: north carolina
Posts: 80
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Re: early '90s 454 and turbo 400
would this be a good motor to start with? torque is what really matters right? thats not a bad torque number for that low horsepower.
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11-20-2007, 09:19 PM
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#4 |
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Senior Member
Join Date: Dec 2006
Location: Studio City, Calif.
Posts: 2,887
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Re: early '90s 454 and turbo 400
That's down low torque. I remember the early 90's and people were quite pleased with the 454 fi power.
__________________
'69 GMC C2500 Custom Camper, 8 1/2' bed, New GM 350, NP 435 Close Ratio 4spd. Trans., 3.73 Dana-60 open.Camper and Trailer wiring, PS, PB, AC, tach , three gas tanks, stereo speakers, 2nd owner, Work-Truck supreme. |
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11-20-2007, 09:27 PM
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#5 |
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Registered User
Join Date: May 2007
Location: north carolina
Posts: 80
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Re: early '90s 454 and turbo 400
the fi has been replaced with an edlebrock alum. intake and a duel line holley.
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11-20-2007, 10:09 PM
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#6 |
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Senior Member
Join Date: Aug 2004
Location: Centennial, CO
Posts: 2,995
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Re: early '90s 454 and turbo 400
I'd guess that 454 would have the peanut port heads. Not great for rpm, but low end torque is ok. You could always change heads later if you want.
For $800 with trans & extras, I'd get it.
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ClusterTruck: 68 C10 Bought in 89, wrecked in 03. Slow low $ rebuild started '17. 6.0 & TKO http://67-72chevytrucks.com/vboard/s...d.php?t=788602 93 K1500 Short Step, 350, NV4500, EBL flash ECU. Vortec heads & roller cam someday... 05 Jeep Wrangler Unlimited. 3” lift & 6-speed 02 E320 the insurance total “free car” 13 Tahoe LTZ |
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