Notices
Generation IV External Engine LS2 | LS3 | LS7 | L92 | Bolt-Ons | Intakes | Exhaust | Ignition | Accessories
Sponsored by:
Sponsored by:

Which head for an LS3?

 
Old 04-14-2019, 12:33 PM
  #1  
Teching In
Thread Starter
 
Join Date: Sep 2018
Posts: 4
Default Which head for an LS3?

I'm in the process of gathering parts for building an iron blocked LS3 shortblock I bought from SDPC raceshop. Basically it is stock spec LS3 rods, crank and pistons. I have a factory LS3 intake and 92mm Nick Williams tb, cam will similar to aftermarket LS3 stage 3 grinds. I am putting it in a 95 Camaro I am building for street strip duty. My goal is to run low to mid 11's with it. I have put a new fabricated 9" with 3.70 gears, Viking double adjustable coil-over shocks and new tubular control arms and panhard bar out back. I had frame connectors and an 8 point Wolfe Racecraft roll bar in stalled. I will be running a built turbo 350 (converter to be decided). Up front will be a tubular k-member, control arms and Viking shock set up. Here are the heads under consideration: AFR LS3 Mongoose, Trick Flow LS3 255, factory GM Performance cnc LS3 heads or factory GM Performance LS3 heads sent to Frankenstein for their stage 1 porting. The factory cnc heads are the cheapest and the other 3 pairs all pretty comparable in price. Is there a clear choice among these?
jj95Cam is offline  
Old 04-14-2019, 01:10 PM
  #2  
TECH Apprentice
 
Join Date: Jan 2019
Posts: 308
Default







You'd be cheating with ported Ls3 heads and LLSR cam... compare cost vs a aftermarket head & hyd roller set up.

Last edited by Smokey B; 04-14-2019 at 01:20 PM.
Smokey B is offline  
Old 04-14-2019, 05:04 PM
  #3  
Launching!
 
zboy2012's Avatar
 
Join Date: Jan 2012
Location: Attica, IN
Posts: 243
Default

Originally Posted by Smokey B View Post
https://www.youtube.com/watch?v=EayGDfJWCHI





https://www.youtube.com/watch?v=jmiesbTq3mk

You'd be cheating with ported Ls3 heads and LLSR cam... compare cost vs a aftermarket head & hyd roller set up.
Iíve seen that black 3rd gen before on a Wild Wednesday.
zboy2012 is offline  
Old 04-14-2019, 06:02 PM
  #4  
TECH Apprentice
 
Join Date: Jan 2019
Posts: 308
Default

Not really a track person any more....make a et, get banned and move on is my theme...Sh!+ generally breaks going up and down the strip.. City slicker lookin for a city/country slicker for $$$.oo -$$$$.oo only reason to race. The hell with a trophy, or bracket check or class winner BS. Know alot of 400+ windors and Must Lose Stangs.....mid to lower 9sec cars.

Last edited by Smokey B; 04-14-2019 at 06:21 PM.
Smokey B is offline  
Old 04-14-2019, 06:11 PM
  #5  
Launching!
 
zboy2012's Avatar
 
Join Date: Jan 2012
Location: Attica, IN
Posts: 243
Default

Originally Posted by Smokey B View Post
Not really a track person any more....make a et, get banned and move on is my theme...Sh!+ generally breaks going up and down the strip..
you from the Indy area? lol
zboy2012 is offline  
Old 04-14-2019, 06:34 PM
  #6  
TECH Apprentice
 
Join Date: Jan 2019
Posts: 308
Default

Been there twice, yrs ago. Had a club in the mall on the 2nd floor, again this was yrs ago... Hellava story....left indy @ 2am from that club and about 5pm 14hrs later made it home went thru Louisville around 90 to 100 mph in the fog. Stops in Memphis also....< didn't know anyone there still found smoke.
Smokey B is offline  
Old 04-14-2019, 07:19 PM
  #7  
TECH Senior Member
 
Join Date: Jun 2016
Location: Central Cal.
Posts: 9,782
Default


Originally Posted by Smokey B View Post
Been there twice, yrs ago. Had a club in the mall on the 2nd floor, again this was yrs ago... Hellava story....left indy @ 2am from that club and about 5pm 14hrs later made it home went thru Louisville around 90 to 100 mph in the fog. Stops in Memphis also....< didn't know anyone there still found smoke.
I seriously doubt anyone here doubts any of this.... but then again who really cares???
G Atsma is offline  
Old 04-14-2019, 07:32 PM
  #8  
TECH Apprentice
 
Join Date: Jan 2019
Posts: 308
Default

Just conversation on a Sunday evening...but who cares???
Smokey B is offline  
Old 04-14-2019, 07:51 PM
  #9  
10 Second Club
 
big hammer's Avatar
 
Join Date: May 2009
Location: over dere
Posts: 3,195
Default

Originally Posted by jj95Cam View Post
I'm in the process of gathering parts for building an iron blocked LS3 shortblock I bought from SDPC raceshop. Basically it is stock spec LS3 rods, crank and pistons. I have a factory LS3 intake and 92mm Nick Williams tb, cam will similar to aftermarket LS3 stage 3 grinds. I am putting it in a 95 Camaro I am building for street strip duty. My goal is to run low to mid 11's with it. I have put a new fabricated 9" with 3.70 gears, Viking double adjustable coil-over shocks and new tubular control arms and panhard bar out back. I had frame connectors and an 8 point Wolfe Racecraft roll bar in stalled. I will be running a built turbo 350 (converter to be decided). Up front will be a tubular k-member, control arms and Viking shock set up. Here are the heads under consideration: AFR LS3 Mongoose, Trick Flow LS3 255, factory GM Performance cnc LS3 heads or factory GM Performance LS3 heads sent to Frankenstein for their stage 1 porting. The factory cnc heads are the cheapest and the other 3 pairs all pretty comparable in price. Is there a clear choice among these?
mast medium bore ls3ís

stock ls3 intake will restrict any of them somewhat
big hammer is online now  
Old 04-14-2019, 11:38 PM
  #10  
TECH Fanatic
 
Join Date: Aug 2009
Location: Coast of San Mateo County Between Pacifica & HMB
Posts: 1,504
Default

AFR LS3 would be my suggestion.
Stock Intake will limit any of these Heads by 6500 with even a medium sized cam.
Hi Hammer!
NAVYBLUE210 is offline  
Old 04-15-2019, 02:54 AM
  #11  
The Scammer Hammer
iTrader: (49)
 
dr_whigham's Avatar
 
Join Date: Apr 2009
Location: Lafayette, LA
Posts: 6,641
Default

MAST if you can afford them. Period.

AFR would be 2nd. They come with the 8019 springs and Ti retainers. The casting is great quality. And don't forget with the AFR's you get the 12* valve angle as well...

You couldn't give me an out-of-the-box TFS head to run. That's just my opinion. Too many valve problems. When most vendors are saying "get xxxx additional done to them"... no thanks. Hard pass.

For the money its pretty hard to beat the GMPP LS3 heads. The CNC work is pretty damn good.

**Edit**

Do yourself a favor and get the LS3 intake radius rod modded. Look it up. It's definitely worth it. Gwatney and Rick Crawford do it.
dr_whigham is offline  
Old 04-15-2019, 07:55 AM
  #12  
10 Second Club
 
big hammer's Avatar
 
Join Date: May 2009
Location: over dere
Posts: 3,195
Default

Originally Posted by NAVYBLUE210 View Post
AFR LS3 would be my suggestion.
Stock Intake will limit any of these Heads by 6500 with even a medium sized cam.
Hi Hammer!
hows she going big D?
big hammer is online now  
 


Thread Tools
Search this Thread

About Us - Archive - Advertising - Cookie Policy - Privacy Statement - Terms of Service

© 2019 MH Sub I, LLC dba Internet Brands

We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.
 
  • Ask a Question
    Get answers from community experts
Question Title:
Description:
Your question will be posted in: