LS1TECH - Camaro and Firebird Forum Discussion

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

lq9 ptv clearence question

Thread Tools
 
Search this Thread
 
Old Oct 6, 2013 | 05:39 PM
Share
  #1  
92cobranotch's Avatar
92cobranotch
Thread Starter
Teching In
iTrader: (9)
 
Joined: Sep 2011
Posts: 35
Likes: 1
Default lq9 ptv clearence question
Im considering lunati cam for my lq9 and wonder if its safe ( I dont want to pull the heads to clay it) specs are 219/223 6.25/6.25 on 112lsa. Any one have any idea. I know I should check it to be sure but somone has to know where they get sketchy.
Reply
0
Old Oct 6, 2013 | 05:40 PM
Share
  #2  
speedtigger's Avatar
speedtigger
Old School Heavy
15 Year Member
Photogenic
Liked
Loved
iTrader: (16)
 
Joined: May 2010
Posts: 8,835
Likes: 84
From: Florida
Default
Originally Posted by 92cobranotch
Im considering lunati cam for my lq9 and wonder if its safe ( I dont want to pull the heads to clay it) specs are 219/223 6.25/6.25 on 112lsa. Any one have any idea. I know I should check it to be sure but somone has to know where they get sketchy.
Are the heads milled?
Reply
0
Old Oct 6, 2013 | 05:59 PM
Share
  #3  
92cobranotch's Avatar
92cobranotch
Thread Starter
Teching In
iTrader: (9)
 
Joined: Sep 2011
Posts: 35
Likes: 1
Default
No they arent. Its a junk yard engine im looking at to buy. So as far as I know they arent. Also wondering if id be beter off with lq4 with 243 heads and that cam. Im pretty set on that cam after seeing a graph. Lots of power under the curve. Loads torque. The graph im looking at is in ls1 tho
Reply
0
Old Oct 6, 2013 | 06:01 PM
Share
  #4  
speedtigger's Avatar
speedtigger
Old School Heavy
15 Year Member
Photogenic
Liked
Loved
iTrader: (16)
 
Joined: May 2010
Posts: 8,835
Likes: 84
From: Florida
Default
Originally Posted by 92cobranotch
No they arent. Its a junk yard engine im looking at to buy. So as far as I know they arent. Also wondering if id be beter off with lq4 with 243 heads and that cam. Im pretty set on that cam after seeing a graph. Lots of power under the curve. Loads torque. The graph im looking at is in ls1 tho
No valve clearance issues with that cam. Lots of guys running much larger cams than that one. You could even mill the heads and still have plenty or room. That is a small cam.
Reply
0
Old Oct 6, 2013 | 06:07 PM
Share
  #5  
92cobranotch's Avatar
92cobranotch
Thread Starter
Teching In
iTrader: (9)
 
Joined: Sep 2011
Posts: 35
Likes: 1
Default
So you think it would be possible to clear ai 243s later down the road with that cam?
Reply
0
Old Oct 6, 2013 | 07:37 PM
Share
  #6  
speedtigger's Avatar
speedtigger
Old School Heavy
15 Year Member
Photogenic
Liked
Loved
iTrader: (16)
 
Joined: May 2010
Posts: 8,835
Likes: 84
From: Florida
Default
Originally Posted by 92cobranotch
So you think it would be possible to clear ai 243s later down the road with that cam?
243s don't have any less valve clearance than your 317s. The valve location is the same. I have 243s on my car.
Reply
0
Old Oct 6, 2013 | 09:29 PM
Share
  #7  
92cobranotch's Avatar
92cobranotch
Thread Starter
Teching In
iTrader: (9)
 
Joined: Sep 2011
Posts: 35
Likes: 1
Default
I havent done any head cam ls stuff yet. My last car was bolt on car thats in my cig. I figured main difference was just combustion chamber. Thanks for your help!
Reply
0
Back to Subforum
Generation III Internal Engine
View Next Unread
Good plugs and wires that don't break the bank.




Advanced Search

All times are GMT -5. The time now is 10:09 PM.

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