Another header thread- for vortec heads - The 1947 - Present Chevrolet & GMC Truck Message Board Network

chevybill · 09-29-2005, 02:12 PM

I have a 98 tahoe motor (vortec 350) for my 70 lwb, planning on puttingin the 6 psosition, anybody got suggestions for headers- long or short is fine just so long as they fit. Truck is a 3 speed manual on the floor.

Do you think headers for the tahoe would work? - They are kind of pricey, cheapest I have found with ceramic coating was about 320.

Putter · 09-29-2005, 04:11 PM

I bought headers for my Z-71 (5.7 liter Vortec) and was able to get ceramic coated for like less than $200 due to overstocking. I got them from STILLEN.COM. They fit great and I never had any issues with them. Silver coating looked great the day I sold it. And they were the short ones and hugged the block pretty tightly, which should leave you plenty of room to make up your exhaust system.

Blazer1970 · 09-29-2005, 05:59 PM

Vortec heads use the same exhaust manifolds or headers as any other small block head.
Buy headers for your truck, don't worry about the Vortecs.

chevybill · 09-29-2005, 06:28 PM

that sounds good about using any headers

Old Yeller 1970 · 09-29-2005, 07:00 PM

I have a set of Hooker Competition Headers for '70 PU with a manual trany. They fit great and tuck under the cross member with about 1/8-3/16' to spare.

djracer · 09-29-2005, 07:39 PM

I had hedman hedders on my 71 with vortecs but it was in the 8 cyl position! They fit pretty decent!

garthdader · 10-05-2005, 10:58 AM

I have dynomax headers on my 71. They are jet hot coated and fit good. Just be sure to get the copper ultraseal gaskets......oh yea....they are about 200 bucks cheaper than hooker ceraminc coated, and the same price as the painted hooker heads for our trucks.

WB72 · 10-11-2005, 04:27 PM

Vortec heads have a "D " shaped port that would be better suited for the "D" shaped Header. I have a set of Hooker's on my truck that have that shape. I dont drive the truck yet, but the motor that i am building, will have the Vortec heads, so I am getting the exhaust ready for that. I had to reshape the one tube that will hit the frame mount. I reshaped it with a press, so I didn't loose any volume.

.030over · 10-11-2005, 05:04 PM

Only the fastburn aluminum heads have the D exhaust port. Standard cast iron Vortec heads are just a conventional port and, like Blazer1970 said, just buy them for your year truck. I rewoked a set of std port shorties to work on my Fastburns D ports but it's alot of welding and grinding!
Scott

WB72 · 10-11-2005, 05:27 PM

Ohhh!
Thanks for that info. I thought all had that shape.

09-29-2005, 02:12 PM	#1
chevybill Senior Member Join Date: Oct 2004 Location: calhoun city ms Posts: 940	Another header thread- for vortec heads I have a 98 tahoe motor (vortec 350) for my 70 lwb, planning on puttingin the 6 psosition, anybody got suggestions for headers- long or short is fine just so long as they fit. Truck is a 3 speed manual on the floor. Do you think headers for the tahoe would work? - They are kind of pricey, cheapest I have found with ceramic coating was about 320. __________________ ongoing 1970 c 10 lwb 1994 z-28 few mods.-owned since new 1978 vette silver/grey 25th anniv. paint

09-29-2005, 04:11 PM	#2
Putter More Cowbell.... Join Date: Mar 2004 Location: Puckett, MS Posts: 3,569	I bought headers for my Z-71 (5.7 liter Vortec) and was able to get ceramic coated for like less than $200 due to overstocking. I got them from STILLEN.COM. They fit great and I never had any issues with them. Silver coating looked great the day I sold it. And they were the short ones and hugged the block pretty tightly, which should leave you plenty of room to make up your exhaust system. __________________ *There once was a member from Puckett.....Who ( fill in the blank blank blank* ) bucket**

09-29-2005, 05:59 PM	#3
Blazer1970 Registered User Join Date: Dec 1999 Location: Old Mission, MI, USA Posts: 2,510	Vortec heads use the same exhaust manifolds or headers as any other small block head. Buy headers for your truck, don't worry about the Vortecs. __________________ Tim

09-29-2005, 06:28 PM	#4
chevybill Senior Member Join Date: Oct 2004 Location: calhoun city ms Posts: 940	that sounds good about using any headers __________________ ongoing 1970 c 10 lwb 1994 z-28 few mods.-owned since new 1978 vette silver/grey 25th anniv. paint

09-29-2005, 07:00 PM	#5
Old Yeller 1970 DON'T TREAD ON ME Join Date: May 2005 Location: Crosby County, TX Posts: 989	I have a set of Hooker Competition Headers for '70 PU with a manual trany. They fit great and tuck under the cross member with about 1/8-3/16' to spare. __________________ Old Yeller

09-29-2005, 07:39 PM	#6
djracer Registered User Join Date: Feb 2001 Location: Wetumpka, Al, U.S. Posts: 8,891	I had hedman hedders on my 71 with vortecs but it was in the 8 cyl position! They fit pretty decent! __________________ Kevin Special Thanks to All who have helped on the TRUCK! My Pass Time Show http://s129.photobucket.com/albums/p...Chapter1-0.mp4 So Far my best Times are: Motor only: 6.44 1/8 @ 104.13 10.39 1/4 @ 125.83 Nitrous Times: 5.785 1/8 @ 118.65 with a 1.336 60ft 9.168 1/4 @ 142.58 with a 250 shot dead out of the hole!

10-05-2005, 10:58 AM	#7
garthdader Registered User Join Date: Sep 2002 Location: Atoka, Tn Posts: 64	I have dynomax headers on my 71. They are jet hot coated and fit good. Just be sure to get the copper ultraseal gaskets......oh yea....they are about 200 bucks cheaper than hooker ceraminc coated, and the same price as the painted hooker heads for our trucks. __________________ 1971 Chevy 6" superlift 35" xterrains 350 VORTEC crate

10-11-2005, 04:27 PM	#8
WB72 Before and After Join Date: Feb 2000 Location: Leduc, Alberta CANADA Posts: 632	Vortec heads have a "D " shaped port that would be better suited for the "D" shaped Header. I have a set of Hooker's on my truck that have that shape. I dont drive the truck yet, but the motor that i am building, will have the Vortec heads, so I am getting the exhaust ready for that. I had to reshape the one tube that will hit the frame mount. I reshaped it with a press, so I didn't loose any volume. __________________ Not Grandpa's C-20 anymore... 383 Stroker 425HP, 485Ft/Lbs Lowered 3.5" Front / 5" Rear 66,000 miles. Alberta, CANADA

10-11-2005, 05:04 PM	#9
.030over Junior Member Join Date: Mar 2005 Location: Maryland Posts: 129	Only Fastburn heads... Only the fastburn aluminum heads have the D exhaust port. Standard cast iron Vortec heads are just a conventional port and, like Blazer1970 said, just buy them for your year truck. I rewoked a set of std port shorties to work on my Fastburns D ports but it's alot of welding and grinding! Scott __________________ '67 SWB big block project '85 C60 school bus motorhome conversion

10-11-2005, 05:27 PM	#10
WB72 Before and After Join Date: Feb 2000 Location: Leduc, Alberta CANADA Posts: 632	Ohhh! Thanks for that info. I thought all had that shape. __________________ Not Grandpa's C-20 anymore... 383 Stroker 425HP, 485Ft/Lbs Lowered 3.5" Front / 5" Rear 66,000 miles. Alberta, CANADA



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