Generation IV Internal Engine 2005-2014 LS2 | LS3 | LS7 | L92 | LS9

what grind should i go with ls3 build

Thread Tools
 
Search this Thread
 
Old Mar 13, 2011 | 09:24 PM
  #1  
97lt1stangstomper's Avatar
Thread Starter
Staging Lane
iTrader: (11)
 
Joined: Aug 2008
Posts: 59
Likes: 0
From: TEXAS
Default what grind should i go with ls3 build

ls3 418
-4cc
compstar rods
dragon slayor crank
237prc heads 675 springs
about 11.3 to11.5 compression
102 fast and throttle body
fast 50pd injectors
1 7/8 headers
trueduals
auto with 3.73 gears
4000 yank stall

so im needing help im almost ready to put my motor together but im still stuck on which cam to runi still want it to be able run on the street but also handle a 150 shot at the track every so often
right now im thinking of running243/251 624/624 lsa 113
but im also temp to run a bigger cam 251/259 660/663 lsa111
thanks for anybody replying
Reply
Old Mar 13, 2011 | 10:03 PM
  #2  
wickedbluess's Avatar
TECH Regular
15 Year Member
iTrader: (20)
 
Joined: Feb 2007
Posts: 478
Likes: 0
From: E-RIVERSIDE
Default

have you looked into having Pat G spec you a cam? or Geoff at E.P.S
Reply
Old Mar 13, 2011 | 10:31 PM
  #3  
97lt1stangstomper's Avatar
Thread Starter
Staging Lane
iTrader: (11)
 
Joined: Aug 2008
Posts: 59
Likes: 0
From: TEXAS
Default

Never heard of him how could I contact him
Reply
Old Mar 14, 2011 | 09:08 PM
  #4  
87silverbullet's Avatar
TECH Veteran
iTrader: (11)
 
Joined: Mar 2007
Posts: 4,873
Likes: 8
From: Slidell,LA
Default

Geoff@EPS http://www.engpwrsys.com/

Patrick G just look him up on here.


I am building the same cubes as you but with L92 heads. I went to Geoff since he does all my tuning and he spec'd my cam. His lobes a proprietary to him (EPS lobes) and they make pretty good power with minimal valvetrain noise.
Reply
Old Mar 14, 2011 | 10:05 PM
  #5  
97lt1stangstomper's Avatar
Thread Starter
Staging Lane
iTrader: (11)
 
Joined: Aug 2008
Posts: 59
Likes: 0
From: TEXAS
Default

Originally Posted by 87silverbullet
Geoff@EPS http://www.engpwrsys.com/

Patrick G just look him up on here.


I am building the same cubes as you but with L92 heads. I went to Geoff since he does all my tuning and he spec'd my cam. His lobes a proprietary to him (EPS lobes) and they make pretty good power with minimal valvetrain noise.
thanks
Reply
Old Mar 14, 2011 | 10:06 PM
  #6  
wickedbluess's Avatar
TECH Regular
15 Year Member
iTrader: (20)
 
Joined: Feb 2007
Posts: 478
Likes: 0
From: E-RIVERSIDE
Default

Just look up Patrick G on here as said^^. He'll spec you a cam for 25 bucks then give you the info on geoff at E.P.S for the grind. I had pat spec me a cam and had geoff do the grind.
Reply
Old Mar 15, 2011 | 02:04 AM
  #7  
MotoFreak's Avatar
Registered User
 
Joined: Mar 2011
Posts: 0
Likes: 0
Default

http://www.engpwrsys.com/
Reply
Old Mar 15, 2011 | 12:26 PM
  #8  
97lt1stangstomper's Avatar
Thread Starter
Staging Lane
iTrader: (11)
 
Joined: Aug 2008
Posts: 59
Likes: 0
From: TEXAS
Default

I talk to pat and he said that I wasn't far off just a little more duration he suggested I'm order next week
Reply
LS1 Tech Stories

The Best V8 Stories One Small Block at Time

story-0

6 Gifts Neither Your Dad Nor Grad Will Shove Into the 'Trinket Drawer'

 Brett Foote
story-1

Topdon ONE vs. Artidiag 800 BT2: Which is the Diagnostic Tablet For You?

 Pouria Savadkouei
story-2

Gas Monkey Built a 6-Wheel Ferrari Testarossa With a Corvette LT4 Engine

 Verdad Gallardo
story-3

7 Most Reliable High-Performance Engines GM Has Ever Built

 Verdad Gallardo
story-4

Amazing '71 Camaro Restomod Is Modern Muscle Car Under the Skin

 Verdad Gallardo
story-5

6 Common C5 Corvette Failures and What's Involved In Repairing Them

 Pouria Savadkouei
story-6

Retro Modern Bandit Pontiac Trans AM Comes With Burt Reynolds' Autograph

 Verdad Gallardo
story-7

Top 10 Greatest Cadillac V Series Performance Models Ever, Ranked

 Pouria Savadkouei
story-8

Top 10 Most Powerful Chevy Trucks Ever Made!

 
story-9

Hennessey's New Supercharged Silverado ZR2 Has 700 HP

 Verdad Gallardo
Old Mar 15, 2011 | 05:21 PM
  #9  
litle88's Avatar
12 Second Club
15 Year Member
iTrader: (20)
 
Joined: Jan 2007
Posts: 2,561
Likes: 4
From: Burbank, Illinois
Default

I'm going with a comp 243/259 .624 lift of both sides with a 114+3 I believe it's part# 54-472-11 and grind# 293LRR HR14. This is what Brian at comp spec'd for me when I called him.

My build is similar, 416 -2cc reliefs, and LPE HEADS milled for a 12-1 comp. TSP 1 7/8 headers.

According to Comp the Ls3 heads need a minimum of 12* to put down some good numbers. I ran this by a few LsX builders and they agree. So I'll be running that with the FAST 102. I can't wait to post my results.

Last edited by litle88; Mar 16, 2011 at 06:23 PM.
Reply
Old Mar 16, 2011 | 04:15 PM
  #10  
87silverbullet's Avatar
TECH Veteran
iTrader: (11)
 
Joined: Mar 2007
Posts: 4,873
Likes: 8
From: Slidell,LA
Default

Originally Posted by litle88
According to Comp the Ls3 heads need a minimum of 12* to put down some good numbers. I ran this by a few LsX builders and they agree. So I'll be running that with the FAST 102. I can't wait to post my results.
I don't know about that one. TSP's common rect port grind 251/259 makes sick power and doesn't have 12* split. A good number of TSP's other grinds for rect port heads don't have that much split.

Some split is needed but I don't think that much, but what do I know Geoff@EPS has cams with 16 to 32 degrees of split and they make power. I guess its all in the combo.
Reply




All times are GMT -5. The time now is 10:05 AM.

story-0
6 Gifts Neither Your Dad Nor Grad Will Shove Into the 'Trinket Drawer'

Don't get dad new socks or a grill brush this year.

By Brett Foote | 2026-06-04 18:13:20


VIEW MORE
story-1
Topdon ONE vs. Artidiag 800 BT2: Which is the Diagnostic Tablet For You?

Slideshow: We take a close look at the ONE and Artidiag 800BT2 diagnostic tools from Topdon and the reasons to buy one over the other.

By Pouria Savadkouei | 2026-05-28 11:05:11


VIEW MORE
story-2
Gas Monkey Built a 6-Wheel Ferrari Testarossa With a Corvette LT4 Engine

Slideshow: The controversial Ferrari F6 swaps its original flat-12 for a Corvette Z06-derived LT4 V8 and sends power to four rear wheels through a custom-built drivetrain.

By Verdad Gallardo | 2026-05-26 18:23:54


VIEW MORE
story-3
7 Most Reliable High-Performance Engines GM Has Ever Built

Slideshow:These GM engines didn't just make huge power, they survived abuse, boost, track days, and six-digit mileage with a reputation for refusing to quit.

By Verdad Gallardo | 2026-05-21 16:45:27


VIEW MORE
story-4
Amazing '71 Camaro Restomod Is Modern Muscle Car Under the Skin

Slideshow: This heavily modified 1971 Camaro mixes classic muscle car styling with a fifth-generation Camaro interior and modern LS3 power.

By Verdad Gallardo | 2026-05-12 18:06:42


VIEW MORE
story-5
6 Common C5 Corvette Failures and What's Involved In Repairing Them

Slideshow: From wobbling harmonic balancers to failed EBCMs, these are the issues that define long-term C5 ownership and what repairs typically involve.

By Pouria Savadkouei | 2026-05-07 18:44:57


VIEW MORE
story-6
Retro Modern Bandit Pontiac Trans AM Comes With Burt Reynolds' Autograph

Slideshow: A modern Camaro transformed into a retro icon, this limited-run "Bandit" build blends nostalgia with brute force in a way few revivals manage.

By Verdad Gallardo | 2026-04-21 13:57:02


VIEW MORE
story-7
Top 10 Greatest Cadillac V Series Performance Models Ever, Ranked

Slideshow: Cadillac didn't just crash the high-performance luxury vehicle party, it showed up loud, supercharged, and occasionally a little unhinged...

By Pouria Savadkouei | 2026-04-16 10:05:15


VIEW MORE
story-8
Top 10 Most Powerful Chevy Trucks Ever Made!

Slideshow: Top ten most powerful Chevy trucks ever made

By | 2026-03-25 09:22:26


VIEW MORE
story-9
Hennessey's New Supercharged Silverado ZR2 Has 700 HP

Slideshow: Hennessey has turned the Silverado ZR2 into a 700-hp off-road monster with supercharged V8 power and a limited production run.

By Verdad Gallardo | 2026-03-24 18:57:52


VIEW MORE