Generation III Internal Engine 1997-2006 LS1 | LS6
Sponsored by:
Sponsored by:

241 heads to big????

Thread Tools
 
Search this Thread
 
Old Jan 24, 2007 | 10:40 PM
  #1  
A502slo's Avatar
Thread Starter
TECH Regular
iTrader: (4)
 
Joined: Jan 2004
Posts: 474
Likes: 0
Default 241 heads to big????

Can the valves on a 241 casting be to big for a 346. Say the heads have been ported and polished and blended with larger valves. Can the valves be to large and lose power. Also is the a differance between the 6.0l 241s and LS1 241s??
Reply
Old Jan 25, 2007 | 01:01 AM
  #2  
PREDATOR-Z's Avatar
TECH Senior Member
 
Joined: Mar 2004
Posts: 14,620
Likes: 17
From: BFE
Default

I've never seen 6.0 241's but new things keep popping out lately.
Reply
Old Jan 25, 2007 | 05:10 AM
  #3  
A502slo's Avatar
Thread Starter
TECH Regular
iTrader: (4)
 
Joined: Jan 2004
Posts: 474
Likes: 0
Default

Sorry ment to say 6.ol heads and 241 heads.
Reply
Old Jan 25, 2007 | 05:24 AM
  #4  
DONAIMIAN's Avatar
TECH Senior Member
iTrader: (18)
 
Joined: Jun 2002
Posts: 10,036
Likes: 0
From: NW Houston, TX
Default

It is possible for the valves to be too big for a given bore/cubic inch motor. More valve dosent always mean more flow/power.
Reply
Old Jan 25, 2007 | 05:47 AM
  #5  
orangeapeel's Avatar
ЯєŧąяĐ Єl¡m¡иąŧøя ™
iTrader: (18)
 
Joined: Nov 2004
Posts: 16,083
Likes: 4
From: Justin, TX
Default

Originally Posted by A502slo
Sorry ment to say 6.ol heads and 241 heads.
You are talking about the 317's then vs. the 241's right?
Reply
Old Jan 25, 2007 | 06:13 AM
  #6  
GuitsBoy's Avatar
TECH Senior Member
iTrader: (4)
 
Joined: Apr 2003
Posts: 6,249
Likes: 3
From: Long Island, NY
Default

The valves could some too close to the cylinder wall, which is known as shrowding, which will actually hurt performance. Or you could simply have hogged out too much from the runners and now its a bit soft on the low end torque.
Reply




All times are GMT -5. The time now is 12:37 AM.

story-0
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-1
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-2
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-3
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-4
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-5
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
story-6
Coachbuilt N2A Anteros Is an LS2-Powered C6 Corvette In Italian Clothes

Slideshow: A one-off sports car that looks like a vintage Italian exotic-but hides a C6 Corvette underneath-just sold for the price of a new mid-engine Corvette.

By Verdad Gallardo | 2026-03-23 18:53:41


VIEW MORE
story-7
Awesome K5 Blazer Restomod Comes With C7 Corvette Power

Slideshow: A heavily reworked 1972 K5 Blazer swaps its off-road roots for a low-slung street-focused build with modern V8 power.

By Verdad Gallardo | 2026-03-09 18:08:45


VIEW MORE
story-8
10 Camaros You Should Never Buy

Slideshow: There are thousands of used Camaros on the market but we think you should avoid these 10

By | 2026-02-17 17:09:30


VIEW MORE
story-9
10 LS Engine Myths That Refuse to Die

Slideshows: Which one of these myths do you believe?

By Verdad Gallardo | 2026-01-28 18:10:11


VIEW MORE