vortec heads
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From: Marshall,IL
Car: 82 & 91 Firebird
Engine: 400 & 355
Transmission: TH350 & 700
Axle/Gears: 4:11 & 2.72
Now I'm not the GM *** on this subject, But I think Vortecs only came in 96 and up Pickups. The vortecs are a standard flow version of the LT1 head. So the vortecs were not used in cars.
Later
John
Later
John
If you can get to swap meets, there a supposed to be tons there for reasonable prices. If you look an a magazine that has a picture of an engine built with them, there is 3 peeks, like a squiggle line, on the front of the heads.
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From: Justin, Texas, USA
Car: 1988 Formula and 1995 LT4 Z28
Engine: 305 TPI and 361 LT4
Transmission: M5 and stalled A4
all Impala SS's...Read the ldecember Chevy High performance...This exact question is answered in it...Page 116...
Last edited by HM Murdock; Jan 2, 2002 at 12:06 AM.
Originally posted by HM Murdock
And our stock lower manifolds will bolt right up, correct?
And our stock lower manifolds will bolt right up, correct?
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From: Medford, Oregon
Car: 1989 Iroc Z L98
you can buy a set from www.sdpc2000.com for like 400 bucks and some change, for a PAIR, assembled. I love em. Don't forget that the 350HO crate engines come with them.
Vortec heads were mainly found in trucks. Great flowing heads for the street. Scoggin-****ey, like said above, makes a TPI baseplate to match the Vortec intake ports of the heads. If you are going to go for power, Pace-Parts at paceparts.com sells a Wheeler motorsports prepared Vortec head. They put larger exhaust valves in as well as springs than can handle higher lifts. This would be better if you want performance overall. $550 a pair minus studs and guideplates.
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From: Orange, SoCal
Car: 1990 Pontiac Trans Am
Engine: 355 TPI siamesed runners
Transmission: Tremec T56
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Originally posted by HM Murdock
all Impala SS's...Read the ldecember Chevy High performance...This exact question is answered in it...Page 116...
all Impala SS's...Read the ldecember Chevy High performance...This exact question is answered in it...Page 116...
The heads we want only come on 5.7L 350 Chevy/GMC trucks from 1996 to 1999 or so. They have a funky black intake with an air silencer that says Vortec on it.
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From: Justin, Texas, USA
Car: 1988 Formula and 1995 LT4 Z28
Engine: 305 TPI and 361 LT4
Transmission: M5 and stalled A4
All vortec heads are are standard flow LT1 heads with slightly raised intake ports...Read the Jan. Chevy High Performance, page 116...
Originally printed by Chevy High Performance:
Any Impala SS already uses Vortec heads, and used them long before the Vortec appeared!
Any Impala SS already uses Vortec heads, and used them long before the Vortec appeared!
Last edited by HM Murdock; Jan 2, 2002 at 12:05 AM.
Do you guys realze what it would coast for you to modify the LT1 vortec heads as you are saying they are .I thought the hole point of using the vortec head was a cheap performance up grade. The only way this will be is if you use the vortec heads from the 96 to 99 GM trucks any other style vortec head other then the fast burn you will have to do a lot of modifications to that most pople on this board do not have the tools to do and would have to pay some big $$$ to have done. Every thing in those mags is not true just so every one knows the LT1 came out before the vortec heads the vortec heads are desined after the LT1 heads and depending on whta mag your looking in you will herer this said both ways.
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From: Justin, Texas, USA
Car: 1988 Formula and 1995 LT4 Z28
Engine: 305 TPI and 361 LT4
Transmission: M5 and stalled A4
Originally posted by Earl 87gta
Do you guys realze what it would coast for you to modify the LT1 vortec heads as you are saying they are .I thought the hole point of using the vortec head was a cheap performance up grade. The only way this will be is if you use the vortec heads from the 96 to 99 GM trucks any other style vortec head other then the fast burn you will have to do a lot of modifications to that most pople on this board do not have the tools to do and would have to pay some big $$$ to have done. Every thing in those mags is not true just so every one knows the LT1 came out before the vortec heads the vortec heads are desined after the LT1 heads and depending on whta mag your looking in you will herer this said both ways.
Do you guys realze what it would coast for you to modify the LT1 vortec heads as you are saying they are .I thought the hole point of using the vortec head was a cheap performance up grade. The only way this will be is if you use the vortec heads from the 96 to 99 GM trucks any other style vortec head other then the fast burn you will have to do a lot of modifications to that most pople on this board do not have the tools to do and would have to pay some big $$$ to have done. Every thing in those mags is not true just so every one knows the LT1 came out before the vortec heads the vortec heads are desined after the LT1 heads and depending on whta mag your looking in you will herer this said both ways.

The vortec heads are the same head....That was my whole point...The Impala used a different intake manifold setup than the regular Camaro...The Impala heads and Camaro heads are NOT the same heads...The Impala had standard flow coolant routing, not hte F- and Y-body use reverse flow cooling system...
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From: Medford, Oregon
Car: 1989 Iroc Z L98
Originally posted by Earl 87gta
Do you guys realze what it would coast for you to modify the LT1 vortec heads as you are saying they are .I thought the hole point of using the vortec head was a cheap performance up grade. The only way this will be is if you use the vortec heads from the 96 to 99 GM trucks any other style vortec head other then the fast burn you will have to do a lot of modifications to that most pople on this board do not have the tools to do and would have to pay some big $$$ to have done. Every thing in those mags is not true just so every one knows the LT1 came out before the vortec heads the vortec heads are desined after the LT1 heads and depending on whta mag your looking in you will herer this said both ways.
Do you guys realze what it would coast for you to modify the LT1 vortec heads as you are saying they are .I thought the hole point of using the vortec head was a cheap performance up grade. The only way this will be is if you use the vortec heads from the 96 to 99 GM trucks any other style vortec head other then the fast burn you will have to do a lot of modifications to that most pople on this board do not have the tools to do and would have to pay some big $$$ to have done. Every thing in those mags is not true just so every one knows the LT1 came out before the vortec heads the vortec heads are desined after the LT1 heads and depending on whta mag your looking in you will herer this said both ways.
for those of us wanting around 350 horsepower easily and cheaply, i see no problem with vortec heads. after all, the 350HO (my crate motor) makes 330 horsepower with the vortec heads, a low lift cam and 9.1:1 compression, i see a lot of room for improvement there. So you guys know I had a set of vortec heads on my car got rid of them and whent to the fast burns do a serch on vortec heads on this bord and you will hind me I made the first vortec tpi base and sold them to a few pople on this board and ofer at fbody.com and helped many of you build your own. but got tierd of every ones whining on this board so I left for a while but sence the vortec and fast burn heads are back on the sean I came back . Now hear is my ? if the inmapa has the same cooling set up as your standere 350 and not the lt1 then why is every one moding the LT1 maniford when they could just use one from an impala and avoid all the exctra work to fix the cooling problem. Ive seen a few of the in palas and they look like lt1s to me and If you check with the imala guys a popular mod was to buy the Lt4 engines and put them in the car Ive even read an artical on it and they reuse alot of stuff off of the car and they did not have to do any mods to get the cooling to work I guess Ill have to read up on the impalas and lt1s to see what had what.
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Joined: Dec 2001
Posts: 202
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From: Justin, Texas, USA
Car: 1988 Formula and 1995 LT4 Z28
Engine: 305 TPI and 361 LT4
Transmission: M5 and stalled A4
Uhhh...Must be the crack/cocaine...
I didn't even think of it till you said something about it...And yes, the Impala uses a STANDARD FLOW LT1...Hmmm.....

I didn't even think of it till you said something about it...And yes, the Impala uses a STANDARD FLOW LT1...Hmmm.....
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Joined: Mar 2001
Posts: 629
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From: New Yuck
Car: Non F-body :(
Engine: Pontiac 301
Transmission: TH350
Actually, the LT1 installed in the B-body was reverse-flow. Data from http://www.b-body.net/technical/driv...1-Cooling.html
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Joined: Jul 1999
Posts: 726
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From: Atco, NJ, USA
Car: 1986 Z28
Engine: 355
Transmission: th400
the Vortec heads that peopel use for these are 96 and later, 5.7 l vortec heads. trucks with the L31 option (if i remember) casting numbers.....906 and ..... 062
those are the ones your looking for.
those are the ones your looking for.
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Joined: Apr 2001
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From: USA
Car: yy wife, crazy.
Engine: 350, Vortecs, 650DP
Transmission: TH-350
Axle/Gears: 8.5", 3.42
Any car that had the LT1 had reverse flow heads. Whether it was a Camaro, Firebird, Caprice, or Roadmaster. The bigger cars just had iron heads and bigger chambers. That's the only diff. But they were all reverse flow.
AJ
AJ
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