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07-05-2005, 01:21 PM
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#1 |
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Registered User
Join Date: May 2004
Location: Saint Louis
Posts: 76
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1979 454 factorty horsepower figures
I am not completely sure but i was wondering what the 79' 1/2 ton 454 h.p. and torque figures were???? Did they go down from 230-240 to 205 in 79' ??? If so,, why and anyone know what changes were made???? Thanks.
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07-05-2005, 02:27 PM
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#2 |
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www.73-87chevytrucks.com
 
Join Date: Dec 1999
Location: Birmingham, AL
Posts: 6,935
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1978 & 1979 205hp @3600 - 335lb/tq @2800 8.00:1CR
1976 & 1977 245hp @3800 - 365lb/tq @2800 8.25:1CR 1975 215hp @4000 - 350lb/tq @2400 8.25:1CR 1974 230hp @4000 - 350lb/tq @2800 8.25:1CR 1973 240hp @4000 - 355lb/tq @2800 8.50:1CR Basically. Compression ratio and cam profile. After 1976, heads went to the peanut ports.
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Chris Lucas 1973 Chevy C-10 1978 GMC Jimmy (2WD) - SOLD 1987 R10 twin turbo LS 1991 R3500 SRW CrewCab 1985 K5 diesel swapped project 1989 K5 2WD conversion w/ Vette susp Project Captkaos Customs 73-87chevytrucks.com |
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07-05-2005, 07:20 PM
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#3 |
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Registered User
Join Date: May 2004
Location: Saint Louis
Posts: 76
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Thank you much,,, MATT
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