LS3 Cam Only with LG Headers, G3X-4 cam, K&N Air Charger, no tune
07-09-2007, 10:51 PM
#23
Originally Posted by wicked@boost
so basically what are the major difference between the L92 and the Ls3? (block, intake...what?)
But, I'm not one of those guys in the know or anything.
07-09-2007, 11:01 PM
#24
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Originally Posted by Sharpe
The way i understand it, from one of Tony's posts, the LS3 is an L92 block and heads, but with different internals and a different intake. I think I've read that the LS3 has the so-far-unavalable-in-the-States L76 intake on it. Computer stuff might be tweaked a bit too.
But, I'm not one of those guys in the know or anything.
But, I'm not one of those guys in the know or anything.
That looks like an easy way to build an aluminum 427 for less cash using that block, if the prices aren't too bad.
Last edited by Chris81; 07-09-2007 at 11:25 PM.
07-09-2007, 11:24 PM
#26
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Originally Posted by Sharpe
Shows what I know! I've always thought it was aluminum.
07-09-2007, 11:48 PM
#27
Originally Posted by Asmodeus
They do.. on 3.9 bore engines.
07-10-2007, 12:14 AM
#28
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Originally Posted by LG Motorsports
Hi Guys,
Here it is. This is an 08 C6 with an LG G7X-4 cam with LG Pro Long Tube Headers, K&N Air Charger, and stock performance muffler but with No tune. Computer tune to come this week.
484rwhp 440 rwtq
Here it is. This is an 08 C6 with an LG G7X-4 cam with LG Pro Long Tube Headers, K&N Air Charger, and stock performance muffler but with No tune. Computer tune to come this week.
484rwhp 440 rwtq
X4 -.570 in and .580 ex
http://www.lgmotorsports.com/catalog...oducts_id=1563
If the LS3 is like the L92 and has 1.7" rockers arms wouldn't the lift be reduced to .538 in and .547 ex. If thats the case did you keep the stock springs?
I've been thinking about the 08 C6's and thought a good combo would be the LG G6x3 cam kit (including high lift springs) along with a full exhaust and a tune to hit the 500rwhp mark.
This is really interesting, I can't wait to see it tuned.
07-10-2007, 12:21 AM
#29
Originally Posted by Beaflag VonRathburg
I think they are still extremely relavent and important. Not everyone can rock a 4.06+ bore. Even things with larger bores they still work. Look at Vengeance's 440 in the dyno section. It made 600+ RWHP with TFS 235cc heads and a ported fast 90 intake manifold.
I think GM is going to dominate the aftermarket, which is fine. It makes performance more accessable to everyone, and the LSx platform is REALLY taking off! I've already started pulling part numbers to start collecting for a lsx 454 with L92's and a L76 (will get both ported also). It will be my winter project.
07-10-2007, 06:31 AM
#30
Originally Posted by Bring the Noise
From you web site the G7-x cam has the following lift spec's with a 1.8 rocker (ls7).
X4 -.570 in and .580 ex
http://www.lgmotorsports.com/catalog...oducts_id=1563
If the LS3 is like the L92 and has 1.7" rockers arms wouldn't the lift be reduced to .538 in and .547 ex. If thats the case did you keep the stock springs?
I've been thinking about the 08 C6's and thought a good combo would be the LG G6x3 cam kit (including high lift springs) along with a full exhaust and a tune to hit the 500rwhp mark.
This is really interesting, I can't wait to see it tuned.
X4 -.570 in and .580 ex
http://www.lgmotorsports.com/catalog...oducts_id=1563
If the LS3 is like the L92 and has 1.7" rockers arms wouldn't the lift be reduced to .538 in and .547 ex. If thats the case did you keep the stock springs?
I've been thinking about the 08 C6's and thought a good combo would be the LG G6x3 cam kit (including high lift springs) along with a full exhaust and a tune to hit the 500rwhp mark.
This is really interesting, I can't wait to see it tuned.
__________________
2013 Corvette Grand Sport A6 LME forged 416, Greg Good ported TFS 255 LS3 heads, 222/242 .629"/.604" 121LSA Pat G blower cam, ARH 1 7/8" headers, ESC Novi 1500 Supercharger w/8 rib direct drive conversion, 747rwhp/709rwtq on 93 octane, 801rwhp/735rwtq on race fuel, 10.1 @ 147.25mph 1/4 mile, 174.7mph Half Mile.
2016 Corvette Z51 M7 Magnuson Heartbeat 2300 supercharger, TSP LT headers, Pat G tuned, 667rwhp, 662rwtq, 191mph TX Mile.
2009.5 Pontiac G8 GT 6.0L, A6, AFR 230v2 heads. 506rwhp/442rwtq. 11.413 @ 121.29mph 1/4 mile, 168.7mph TX Mile
2000 Pewter Ram Air Trans Am M6 heads/cam 508 rwhp/445 rwtq SAE, 183.092 TX Mile
2022 Cadillac Escalade 6.2L A10 S&B CAI, Corsa catback.
2023 Corvette 3LT Z51 soon to be modified.
Custom LSX tuning in person or via email press here.
2013 Corvette Grand Sport A6 LME forged 416, Greg Good ported TFS 255 LS3 heads, 222/242 .629"/.604" 121LSA Pat G blower cam, ARH 1 7/8" headers, ESC Novi 1500 Supercharger w/8 rib direct drive conversion, 747rwhp/709rwtq on 93 octane, 801rwhp/735rwtq on race fuel, 10.1 @ 147.25mph 1/4 mile, 174.7mph Half Mile.
2016 Corvette Z51 M7 Magnuson Heartbeat 2300 supercharger, TSP LT headers, Pat G tuned, 667rwhp, 662rwtq, 191mph TX Mile.
2009.5 Pontiac G8 GT 6.0L, A6, AFR 230v2 heads. 506rwhp/442rwtq. 11.413 @ 121.29mph 1/4 mile, 168.7mph TX Mile
2000 Pewter Ram Air Trans Am M6 heads/cam 508 rwhp/445 rwtq SAE, 183.092 TX Mile
2022 Cadillac Escalade 6.2L A10 S&B CAI, Corsa catback.
2023 Corvette 3LT Z51 soon to be modified.
Custom LSX tuning in person or via email press here.
07-10-2007, 10:00 AM
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its time to just start saving towards the crate motor and transmission, LT1s won't be cutting it in a few years even if you can push them to 500hp. Thanks for making me have to save and spend more money! 
07-10-2007, 11:49 AM
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Originally Posted by Sharpe
The way i understand it, from one of Tony's posts, the LS3 is an L92 block and heads, but with different internals and a different intake. I think I've read that the LS3 has the so-far-unavalable-in-the-States L76 intake on it. Computer stuff might be tweaked a bit too.
But, I'm not one of those guys in the know or anything.
But, I'm not one of those guys in the know or anything.
DESCRIPTION: 2006-2008 INTAKE MANIFOLD L76
manifold, injector rail, injector assembly, 90mm throttle body, intake bolts, intake gaskets, map sensor,...L76 style intake
And the L92 heads are PN: 12582713 at a sell price of $413.00 each.
The description given on GMPD web site is kind of lacking listing them just as "Head" but I found the PN in a GMHTP tech article on them. GMHTP said they are assembled complete with valves Springs retainers locks and seals.
-Kevin
Last edited by shazow1969; 07-10-2007 at 03:54 PM.
07-10-2007, 03:30 PM
#39
Originally Posted by Asmodeus
But look at the cost difference between TFS heads, and L92's. A L76 looks to outperform a fast 90 also. I expect the same when all are ported.
07-10-2007, 04:15 PM
#40
Originally Posted by Beaflag VonRathburg
Yeah, there's a cost difference but look at the results. We all see L92 heads putting down great flow numbers, but show me some that are putting down the dyno numbers. All the real world results I've seen from the L92 heads have been extremely dissapointing. The cathedral heads are proven performers with tons of research and development in them. Maybe one day the L92 heads will bypass the cathedrals, but not anytime soon.