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04-02-2012, 12:04 AM
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#1 |
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Registered User
Join Date: Aug 2011
Location: manti utah
Posts: 95
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ok to put a 396 in a 1978 half ton?
when i get enough funds i want to find a 396 to stick in my truck. will it fit and bolt to everything in a 1978? i love the 396 always have and deem it better then a 454. just my opnion my truck is a 1978 chevy k10
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04-02-2012, 12:24 AM
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#2 |
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Registered User
Join Date: Jul 2009
Location: washington
Posts: 4,178
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Re: ok to put a 396 in a 1978 half ton?
Would fit just fine. Do it!
Posted via Mobile Device
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377 sbc thumpr cam autogear m23 muncie 3:73 Detroit trutrac 3''spintech prostreet mufflers xpipe 1 3/4 headers build thread !http://67-72chevytrucks.com/vboard/s...d.php?t=577217 Iroc gauge threadhttp://67-72chevytrucks.com/vboard/s...d.php?t=554511 |
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04-02-2012, 01:29 AM
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#3 |
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Registered User
Join Date: Jan 2009
Location: Louisville,Ky
Posts: 5,811
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Re: ok to put a 396 in a 1978 half ton?
Yeah it will bolt right in the 3/4 and 1ton had big block options for them.But i would think hard about upgrading the axles in it to a dana 60 and 14 bolt to handle the power.
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04-02-2012, 07:28 AM
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#4 |
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Registered User
Join Date: Jun 2008
Location: Lubbock, TX
Posts: 2,047
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Re: ok to put a 396 in a 1978 half ton?
Why not get the best of both worlds? Find a good 396 crank and drop it in a 454 block and you'll have a true 427. You'll have the short stroke fun of the 396 and it'll breathe so much better with the big bores of the 427. She'll rev like a 396 and pull like a 454! And externally, nobody can tell what you have!!!
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04-02-2012, 02:28 PM
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#5 |
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^^who I am^^ what I say>
Join Date: Jun 2009
Location: Murchison, Tx
Posts: 992
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Re: ok to put a 396 in a 1978 half ton?
Save the time of putting that 396 in there and give it to me!
In all seriousness, everything will work except your small block exhaust and I think the fan shroud may be different. Gonna want a 4 core radiator. Good luck Posted via Mobile Device
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04-02-2012, 06:39 PM
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#6 |
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Registered User
Join Date: Mar 2012
Location: manti utah
Posts: 67
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Re: ok to put a 396 in a 1978 half ton?
it already has a 454 in it, so im sure the raditor has been upgraded, i wonder though if a 12 bolt rear end would handle it ok. some of the muscle cars GM made had 12 bolts and 396s so im guessing it will be ok i dunno
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04-02-2012, 08:28 PM
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#7 |
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Registered User
Join Date: Jun 2008
Location: Lubbock, TX
Posts: 2,047
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Re: ok to put a 396 in a 1978 half ton?
Why not leave the bigger engine in there? You're going to miss the torque and hp and not pick up diddly in mileage...drop a 396 in a muscle car that needs it...
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04-03-2012, 07:20 AM
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#8 | |
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Registered User
Join Date: May 2009
Location: Motor City
Posts: 9,180
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Re: ok to put a 396 in a 1978 half ton?
Quote:
K
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Chevrolet Flint Assembly 1979-1986 GM Full Size Truck Engineering 1986 - 2019 Intro from an Old Assembly Guy: http://67-72chevytrucks.com/vboard/s...d.php?t=342926 My Pontiac story: http://forums.maxperformanceinc.com/...d.php?t=560524 Chevelle intro: http://www.superchevy.com/features/s...hevy-chevelle/ |
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04-03-2012, 08:16 AM
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#9 |
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Registered User
 
Join Date: Jan 2010
Location: Wataga,IL
Posts: 666
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Re: ok to put a 396 in a 1978 half ton?
i just pulled a 396 out of a half ton 78 to go in our 68 camaro project. i agree, leave the 454 with more tourqe
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04-03-2012, 10:33 AM
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#10 | |
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Happy to be here
 
Join Date: Mar 2000
Location: Cypress, TX
Posts: 39,023
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Re: ok to put a 396 in a 1978 half ton?
Quote:
 My guess is he feels the 396 "sounds" cooler when you tell your friends what your running.
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Follow me on Facebook and Instagram @N2trux.com Articles- "Jake" the 84 to 74 crewcab "Elwood" the77_Remix 85 GMC Sierra "Scarlett" "Refining Sierra" |
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04-03-2012, 12:38 PM
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#11 | |
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Registered User
Join Date: May 2009
Location: Motor City
Posts: 9,180
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Re: ok to put a 396 in a 1978 half ton?
Quote:
 K
__________________
Chevrolet Flint Assembly 1979-1986 GM Full Size Truck Engineering 1986 - 2019 Intro from an Old Assembly Guy: http://67-72chevytrucks.com/vboard/s...d.php?t=342926 My Pontiac story: http://forums.maxperformanceinc.com/...d.php?t=560524 Chevelle intro: http://www.superchevy.com/features/s...hevy-chevelle/ |
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04-03-2012, 09:03 PM
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#12 | |
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Moderator
 
Join Date: Oct 2008
Location: Wentworth, NH
Posts: 4,941
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Re: ok to put a 396 in a 1978 half ton?
Quote:
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04-05-2012, 01:04 AM
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#13 |
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Registered User
Join Date: Aug 2010
Location: White City, SK
Posts: 411
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Re: ok to put a 396 in a 1978 half ton?
Just by some 396 flags and stick 'em on the fenders
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04-05-2012, 01:11 AM
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#14 |
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At the body shop.
Join Date: Aug 2009
Location: Land of fruits and nuts.
Posts: 5,202
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Re: ok to put a 396 in a 1978 half ton?
The 12 bolt will be fine. Hard to break it without hooking it.
Posted via Mobile Device
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" That didnt make it any newer " " Dont antique the equipment " |
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04-05-2012, 08:07 AM
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#15 |
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Registered User
Join Date: Jul 2009
Location: washington
Posts: 4,178
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Re: ok to put a 396 in a 1978 half ton?
If its a smog built 454 vs a proper 396 I would go 396 all damn day. But if I just do nothing but tow then I would keep that monster crank 454 and deal with the lesser lifespan of the 454
Posted via Mobile Device
__________________
377 sbc thumpr cam autogear m23 muncie 3:73 Detroit trutrac 3''spintech prostreet mufflers xpipe 1 3/4 headers build thread !http://67-72chevytrucks.com/vboard/s...d.php?t=577217 Iroc gauge threadhttp://67-72chevytrucks.com/vboard/s...d.php?t=554511 |
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04-05-2012, 01:29 PM
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#16 |
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Registered User
Join Date: Jan 2012
Location: henderson nevada
Posts: 200
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Re: ok to put a 396 in a 1978 half ton?
454 with an 8:71 blower......and nos......and a turbo....all day long
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1976 GMC SIERRA CLASSIC CAMPER SPECIAL! 454 BIG BLOCK  BABY!
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04-05-2012, 02:14 PM
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#17 | |
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Registered User
Join Date: Jul 2009
Location: washington
Posts: 4,178
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Re: ok to put a 396 in a 1978 half ton?
Quote:
Posted via Mobile Device
__________________
377 sbc thumpr cam autogear m23 muncie 3:73 Detroit trutrac 3''spintech prostreet mufflers xpipe 1 3/4 headers build thread !http://67-72chevytrucks.com/vboard/s...d.php?t=577217 Iroc gauge threadhttp://67-72chevytrucks.com/vboard/s...d.php?t=554511 |
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04-05-2012, 02:17 PM
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#18 | |
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Registered User
Join Date: Jan 2012
Location: henderson nevada
Posts: 200
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Re: ok to put a 396 in a 1978 half ton?
Quote:
__________________
1976 GMC SIERRA CLASSIC CAMPER SPECIAL! 454 BIG BLOCK BABY!
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04-05-2012, 02:55 PM
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#19 |
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Registered User
Join Date: Nov 2009
Location: maine
Posts: 2,315
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Re: ok to put a 396 in a 1978 half ton?
My fathers 77 k5 blazer has a 454 in it. goes like crazy.
__________________
1972 C10 Deluxe.Shortbed. 402/400. A/C, white interior, needs complete restore. Project Red, white and blue. Used to be a Longbed apperently. http://67-72chevytrucks.com/vboard/s...d.php?t=451950 1971 c10 step 250 3 OTT 1969 c30 TOW-MATER. 307 4 speed, holmes 440 body. http://67-72chevytrucks.com/vboard/s...d.php?t=451082 2006 CTS-V LS2 6spd. |
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