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#1 |
Senior Member
![]() Join Date: May 2004
Location: Queen Creek, AZ
Posts: 1,015
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Vortec Heads & Block
I looked at some heads with casting#14102193. According to Mortec.com, these have 1.94" & 1.5" valves. And it shows that these were from '87-up. They were center bolt heads & the block had the provisions for the fuel pump, not sure about the camshaft. So is this a Vortec engine & heads???
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#2 |
Gone Fishing
Join Date: Aug 2005
Location: Fort Worth, Texas 76135
Posts: 12,361
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Re: Vortec Heads & Block
They went to the vortec in 96. It is they same style bolt pattern for the valve covers but a little bit differnt casting.
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#3 |
71 Chevy
Join Date: May 2006
Location: Madison, Wisconsin
Posts: 83
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Re: Vortec Heads & Block
It may be a vortec engine but I doubt it. The vortec flavor had more of a multiport injection design. Not the old crappy throttle body injection. I might be wrong, this is only my opinion.
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71 C10 72 C20 62 Chevy II 2DR HT |
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#4 |
97' Tahoe 2dr/2wd
Join Date: Jul 2002
Location: Huffman,TX
Posts: 1,168
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Re: Vortec Heads & Block
vortec sbc blocks had plastic timing chain covers, and are roller cam motors.
vortec sbc heads have 4 bolts per head for the intake...... tbi engines, have 6 intake bolts per head for the intake with the center two "canted" they are not at the same angle as the other ones. just from what you are describing, it sounds like a tbi engine |
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#5 |
Senior Member
![]() Join Date: May 2004
Location: Queen Creek, AZ
Posts: 1,015
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Re: Vortec Heads & Block
The two center bolts were straight & not angled. I did not look at the timing cover. There is no intake on it. I'm thinking it was a TBI engine like everybody else is thinking. Maybe, I will give him a call tonight & have him verify the bolt holes per head....
Thanks everybody, Chris |
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#6 |
Registered User
Join Date: Dec 2004
Location: Northern AZ
Posts: 7,270
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Re: Vortec Heads & Block
Some refer to what you have as early Vortec, I have one and they are a one piece rear main with non-roller cams. These are not the performers like the 96 and up Vortecs. Check out Carcraft.com they have a cylinder hear flow chart, you just look for your head and they give you the flowbench numbers as well as an opinion based on all the other heads tested.
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#7 |
laying low
![]() Join Date: Mar 2001
Location: Searcy, Ark. USA
Posts: 13,668
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Re: Vortec Heads & Block
This is a late 80's early 90's tbi engine. Not Vortec. My two 88's have that very engine.
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Boog 69 Chevy stepside, 358/T350, 4.11 posi, 4.5/4 drop, rallys, poboy driver primer is finer 91 Chevy sportside, Tahoe, Yukon & GMC Crewcab All GM..'nuff said. I stand for the flag and kneel at the cross |
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#8 |
Registered User
Join Date: Dec 2004
Location: Northern AZ
Posts: 7,270
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Re: Vortec Heads & Block
Yeah, TBI, but some call it early Vortec. I have one from a Van. The heads are good, and the block is as good as any core, so build it, the heads can always stand work, but if I was you, I'd hold out for a "real" set of Vortecs. New they are $500, and if you buy used and have em done, it'll be close to $5 hundred, buy new!!
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#9 |
Registered User
Join Date: May 2003
Location: Shreveport LA
Posts: 3,170
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Re: Vortec Heads & Block
-193 is the "swirl-port" head, isn't it?
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#10 |
Senior Member
![]() Join Date: May 2004
Location: Queen Creek, AZ
Posts: 1,015
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Re: Vortec Heads & Block
Thanks for the help everybody. I passed on them. I was pretty sure the Vortec heads started in '96 when GM finally went to MPFI on their trucks. Just wanted to make sure.
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#11 |
Registered User
Join Date: Apr 2006
Location: okc
Posts: 24
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Re: Vortec Heads & Block
Here is the casting number for the real vortec 350 heads 10239906 96-up. 1.94 and 1.50 valves 64 cc chambers 170 intake ports exc. exc. 8 intake bolt's not 12.
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#12 |
Senior Member
Join Date: Apr 2000
Location: Delta,Pa
Posts: 14,948
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Re: Vortec Heads & Block
the vortec is the chamber design. theres no such thing as an early vortec. the early heads were simply a centerbolt head for tbi injected trucks. definately nothing spectacular
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Owner of North Point Car Care in Dundalk Md. We specialize in custom exhaust on both modern and classic vehicles. We are a full service auto shop from classics to modern vehicles. Feel free to contact me with questions. I will give a 10% discount to any board member. |
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#13 | |
driving is in my blood
Join Date: Dec 1999
Location: Mesa AZ
Posts: 5,760
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Re: Vortec Heads & Block
Quote:
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#14 | |
Registered User
Join Date: Apr 2006
Location: okc
Posts: 24
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Re: Vortec Heads & Block
Quote:
Ya I know I thought about that after I posted lol. |
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#15 |
I'm watching you!
Join Date: Feb 2005
Location: Levittown, PA
Posts: 1,822
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Re: Vortec Heads & Block
I have a question....not to stir sh*t, but how come my 93 4.3l says Vortec on the window sticker. Is that when they started using the name or does it actually have something to do with the heads? It is a TBI motor.
Mike
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#16 |
Senior Member
Join Date: Apr 2000
Location: Delta,Pa
Posts: 14,948
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Re: Vortec Heads & Block
the 4.3 vortec started earlier than the 5.7 vortec.
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Owner of North Point Car Care in Dundalk Md. We specialize in custom exhaust on both modern and classic vehicles. We are a full service auto shop from classics to modern vehicles. Feel free to contact me with questions. I will give a 10% discount to any board member. |
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#17 |
I'm watching you!
Join Date: Feb 2005
Location: Levittown, PA
Posts: 1,822
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Re: Vortec Heads & Block
Ahh ok. Thanks.
Mike
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2012 Chevrolet Silverado 1500 Z71 4WD 1993 Chevrolet C-1500 W/T - Blue - 4.3L V-6, 4 speed auto - Dad's (RIP) 1992 Chevrolet S10 - LS swap project 1968 Chevrolet C-10 longbed fleetside - sold ![]() |
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