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05-26-2019, 01:04 PM
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#1 |
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Senior Member
 
Join Date: May 2012
Location: Assaria, Ks
Posts: 465
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will 92 go into 79?
I the original 350 engine in my daily driver 79 is oh so tired. I have a pretty decent 350 in a 92. I'm thinking about swapping it in there. I want to use the original brackets and accessories, and exhaust manifolds. What am I going to run into trying to make this work? I think my intake and carb will work. Will the HEI drive gear work? Thanks for any help or advice.
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05-26-2019, 01:56 PM
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#2 |
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Registered User
Join Date: Dec 2012
Location: Temple City
Posts: 3,558
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Re: will 92 go into 79?
Everything you have will work except the intake manifold. Don't quote me but the inside bolts are vertical. They are available, but be careful to get the right one..
That engine if a truck engine is a flat tappet. If a Camaro it could be a roller cam. Verify before you just order parts. Lastly if your doing this for just a motor. I wouldn't change anything. If you want more Power. I would upgrade heads to the newer Vortec since they support much more HP, and you need a manifold anyways. |
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05-26-2019, 02:05 PM
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#3 |
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Post Whore
 
Join Date: May 2015
Location: Alabama
Posts: 14,579
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Re: will 92 go into 79?
Dang...I was all ready for a math quiz....79÷92=.859
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Mongo...aka Greg RIP Dad RIP Jesse 1981 C30 LQ9 NV4500..http://67-72chevytrucks.com/vboard/s...d.php?t=753598 Mongos AD- LS3 TR6060...http://67-72chevytrucks.com/vboard/s...34#post8522334 Columbus..the 1957 IH 4x4...http://67-72chevytrucks.com/vboard/s...63#post8082563 2023 Chevy Z71..daily driver |
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05-26-2019, 02:55 PM
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#4 | |
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Senior Member
Join Date: May 2012
Location: Assaria, Ks
Posts: 465
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Re: will 92 go into 79?
Quote:
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05-26-2019, 03:06 PM
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#5 | |
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Registered User
Join Date: Dec 2012
Location: Temple City
Posts: 3,558
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Re: will 92 go into 79?
Quote:
The late Vortec heads are higher port heads along with different bolt pattern. |
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05-26-2019, 03:09 PM
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#6 |
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Registered User
Join Date: Dec 2012
Location: Temple City
Posts: 3,558
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Re: will 92 go into 79?
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05-26-2019, 03:31 PM
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#7 |
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Senior Member
Join Date: May 2012
Location: Assaria, Ks
Posts: 465
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Re: will 92 go into 79?
Thank you!! That is great information to have before I start this. I might rethink it, as I have other options. What would guys like me do without this forum?!
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05-26-2019, 03:33 PM
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#8 | |
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Senior Member
Join Date: May 2012
Location: Assaria, Ks
Posts: 465
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Re: will 92 go into 79?
Quote:
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05-26-2019, 04:39 PM
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#9 |
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Registered User
Join Date: Oct 2014
Location: Tell City, IN
Posts: 637
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Re: will 92 go into 79?
One other thing is a 2piece rear main vs a one piece so you might need a different flexplate or flywheel.
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Big Nate Carp. Local 224. Buy made in the USA! 03 F350 6.0 Daily Race Truck. 79 C70 366 Project Dump. |
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05-26-2019, 04:55 PM
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#10 |
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Registered User
Join Date: May 2015
Location: Montana
Posts: 3,696
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Re: will 92 go into 79?
It's my understanding you will need an electric in-line fuel pump as there is no port for a mechanical pump on the newer engine. At least that is what I ran into when I was thinking about doing it (but I'm fixing up the 89 instead).
One thing that I have been thinking about: it seems like a lot of folks are upgrading the engines in these older pickups just to get more power. I wonder if there are decent used engines available that are being pulled out ????
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Current/past Chevy/GMC trucks: 1958 Chevy C-60; 1965 GMC C-50; 1965 Chevy C-10; 1971 Chevy K-10; 1973 Chevy K-20; 1976 GMC C-20; 1977 Chevy C-10 Suburban; 1980 Chevy K-10; 1989 Chevy K1500; 1991 GMC V1500 Suburban; 2016 Chevy K2500 HD Other vehicles: 1988 Jeep XJ; 2011 Toyota 4Runner |
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05-30-2019, 01:59 AM
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#11 |
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Registered User
Join Date: May 2013
Location: Post Falls, ID
Posts: 884
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Re: will 92 go into 79?
My 79 has a tbi block and a q jet with a stock cast iron manifold.
My block had provisions for a mechanical fuel pump, so that was easy. I used the accessories off the original 79 block (v belt) Had to use a die grinder to oval out the middle intake holes till they fit properly. (I have done this to 3 engines with no leaks or problems) Bought a new flywheel to fit the tbi block. Ordered a heavy duty 12 inch clutch for a '79 chevy Had to trim the dust shield for the clutch with some tin snips New gear reduction starter Dropped in a new hei distributor. Not a 100% dirrect swap, but totally do-able Last edited by Greasey Harley; 05-30-2019 at 03:22 AM. |
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05-30-2019, 04:10 PM
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#12 |
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Robert Olson Transport
 
Join Date: Oct 2002
Location: recent transplant to NC USA
Posts: 20,259
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Re: will 92 go into 79?
I did this swap a couple of times and its like Greasey Harley said, except I called up JEGS and got a new edelbrock intake to work with the vortec motor
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Bob 1951 International running on a squarebody chassis "If a man's worth is judged by the people he associates himself with, then i am the richest man in the world knowing some of the fine people of this board" http://67-72chevytrucks.com/vboard/a...t.php?f=25&a=9 (you can review the site rules here!) PM Me for your vehicle/parts hauling needs in the North East US or see my Facebook page Robert Olson Transport Live each day to the fullest.. you never know when fate is going to pull the rug out from under you... I hate cancer!! |
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