Full-Size Chevy

sbc2008 · 06-02-2008, 07:38 AM

Are there any good aftermarket heads for Gen 1 Vortecs(96'-00')?

Pauly · 06-02-2008, 08:07 AM

Edelbrock 170cc intake ports alum.
http://vichubbard.com/auto-part-deta...ede-60979.html
Edelbrock ETEC 200cc intake ports alum.
http://vichubbard.com/auto-parts/ede...r-heads-chevy/

GMPP 180 cc Bowtie Vortec Smallport iron.
http://www.crateenginedepot.com/stor...21-P898C0.aspxGMPP 217cc

Bowtie Vortec Largeports iron(bare, I couldnt find a price for teh complete largeports, they are a bit more than the complete smallports)
http://www.crateenginedepot.com/stor...1-P857C65.aspx
GMPP 210cc Fastburn Vortec style aluminum heads, used on 435hp ZZ383 and 430hp ZZ430 (limited production run of 430 engines)
http://www.crateenginedepot.com/stor...98-P751C0.aspx

Dart Vortec replacement head
http://aeroheadracing.com/id4.html

RHS Vortec http://www.racingheadservice.com/Inf...rtec-Heads.asp

EQ Cylinder Heads Vortec
http://www.aaeq.net/node/174

The newest GM heads are teh large and smallport Vortec Bowtie heads. eh largports are the hottest heads available for Vortec engines, but are large and should be used on 383 and larger engines IMO.

here is some more Vortec info. You will find that its tough to beat the stock L31 cats iron heads low lift flow numbers. GM has the money and the engineering facilities to produce excellent flowing heads.

http://www.nastyz28.com/forum/showth...ghlight=vortec

peace
PAuly

99bluetahoe · 06-02-2008, 09:07 AM

I also believe Patriot Performance and AFR have heads with the vortec bolt pattern.

KTMRACER · 06-02-2008, 07:32 PM

Summit also makes some Vortec Heads Part # SUM-151124

TLL · 06-02-2008, 08:05 PM

Quote:

Originally Posted by sbc2008

Are there any good aftermarket heads for Gen 1 Vortecs(96'-00')?

Everyone is entitled to their own opinion and mine is that the factory Vortec head is a pretty awesome head for most street usage. It flows excellent stock and the combustion chamber is great for a flat top piston. They can be machined for 2.02 and 1.60 valves if desired. The only thing I don't like is the press fit rocker studs and the lame valve springs but both of those items can be upgraded easily and cheaply.

Tom

Pauly · 06-02-2008, 11:24 PM

Quote:

Originally Posted by TLL

Everyone is entitled to their own opinion and mine is that the factory Vortec head is a pretty awesome head for most street usage. It flows excellent stock and the combustion chamber is great for a flat top piston. They can be machined for 2.02 and 1.60 valves if desired. The only thing I don't like is the press fit rocker studs and the lame valve springs but both of those items can be upgraded easily and cheaply.

Tom

They are the highest flowing factory GEn 1 smallblock Chev head EVER.
Port the exhaust for big flow gains.

peace
PAuly

06-02-2008, 07:38 AM	#1
sbc2008 Wanna Race?!?!?! Status: Offline Join Date: Feb 2008 Member ID: 83316 Pics: My Gallery Location: Vilseck, Germany Age: 21 Posts: 407	Good Aftermarket Heads for Gen 1 Vortecs? Are there any good aftermarket heads for Gen 1 Vortecs(96'-00')? '97 Chevy RCSB 383\|S/C\|K&N\|Thorley Headers\|Magnaflows X and Dumped\|Ported Heads\|5/8 Drop\|3.73s\|E-Fans\|Vette&4th Servo\|TransGo HD2\|Ed Wright/Dyno\|ZZ4 Cam\|Comp 918s\|1.52 RR\|Yank 2600 TC\|Marine Intake with 42lb/hr(EV1)\|Beefed 4L60E (80E Soon!)\|12.766@106.772MPH\|380.53 RWHP 452.61 RWTQ\|

06-02-2008, 08:07 AM	#2
Pauly Registered User Status: Offline Join Date: Oct 2004 Member ID: 19647 Pics: My Gallery Location: Woodstock Ontario Canada Age: 32 Posts: 5,339	Re: Good Aftermarket Heads for Gen 1 Vortecs? Edelbrock 170cc intake ports alum. http://vichubbard.com/auto-part-deta...ede-60979.html Edelbrock ETEC 200cc intake ports alum. http://vichubbard.com/auto-parts/ede...r-heads-chevy/ GMPP 180 cc Bowtie Vortec Smallport iron. http://www.crateenginedepot.com/stor...21-P898C0.aspxGMPP 217cc Bowtie Vortec Largeports iron(bare, I couldnt find a price for teh complete largeports, they are a bit more than the complete smallports) http://www.crateenginedepot.com/stor...1-P857C65.aspx GMPP 210cc Fastburn Vortec style aluminum heads, used on 435hp ZZ383 and 430hp ZZ430 (limited production run of 430 engines) http://www.crateenginedepot.com/stor...98-P751C0.aspx Dart Vortec replacement head http://aeroheadracing.com/id4.html RHS Vortec http://www.racingheadservice.com/Inf...rtec-Heads.asp EQ Cylinder Heads Vortec http://www.aaeq.net/node/174 The newest GM heads are teh large and smallport Vortec Bowtie heads. eh largports are the hottest heads available for Vortec engines, but are large and should be used on 383 and larger engines IMO. here is some more Vortec info. You will find that its tough to beat the stock L31 cats iron heads low lift flow numbers. GM has the money and the engineering facilities to produce excellent flowing heads. http://www.nastyz28.com/forum/showth...ghlight=vortec peace PAuly 97 GMC 2wd RCSB 5.7, s10 2700 footstall, Hooker 24621hkr LT's , 2.5" cats dual 4"pipes exit B4 pass. side tire, custom driveshaft 3.42 G80 FIPK MAF descreen GM/Mercruiser Marine intake manifold 29lb LS2(EV6) injectors Ed Wright PCM(best mod), LT4 KM 14.8@94mph 2.007 4000lbs 122mph

06-02-2008, 09:07 AM	#3
99bluetahoe Whippled Status: Offline Join Date: Apr 2004 Member ID: 13592 Pics: My Gallery Location: Fremont, CA Age: 26 Posts: 307	Re: Good Aftermarket Heads for Gen 1 Vortecs? I also believe Patriot Performance and AFR have heads with the vortec bolt pattern. 1999 2Dr Tahoe 4x4 - 5.7L L31 Marine intake w/39lbers, Whippled@8.5psi, A2W Intercooler, Alky, Tunercat, LTs, FLT 4L60E, PI 2800, Belltech drop, MSD6A, Dual 3" x-piped, 9.5" 14bolt w/4.10s & Auburn, hotchkis, efans 14.153@95.051 mph

06-02-2008, 07:32 PM	#4
KTMRACER Registered User Status: Offline Join Date: Nov 2007 Member ID: 77602 Pics: My Gallery Location: Monroe, MI Posts: 66	Re: Good Aftermarket Heads for Gen 1 Vortecs? Summit also makes some Vortec Heads Part # SUM-151124

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