Cam for nitous?
Thread Starter
Teching In
Joined: Sep 2003
Posts: 24
Likes: 0
Cam for nitous? I wa swondering what cam everyone would suggest for a car running a 125 shot on a stock head car? I know I need heads but that will come later, Will the g5x-3, or 2 work and what mods will I have to make to my heads if any? Any help would be very helpfull.
!LS1 11 Second Club
Joined: Apr 2003
Posts: 7,133
Likes: 2
From: Miami
Yeah, wouldn't a traditional split be better than a reverse? As Brent states.
The big split cams like the G5X's and the TSP231.237 are great spray cams. I know you can get the TSP231.237 on 114, but from what I've read, the 112 would do fine.
The big split cams like the G5X's and the TSP231.237 are great spray cams. I know you can get the TSP231.237 on 114, but from what I've read, the 112 would do fine.
Trending Topics
LS1 Tech Stories
The Best V8 Stories One Small Block at Time
6 Common C5 Corvette Failures and What's Involved In Repairing Them
Pouria Savadkouei
Retro Modern Bandit Pontiac Trans AM Comes With Burt Reynolds' Autograph
Verdad Gallardo
Top 10 Greatest Cadillac V Series Performance Models Ever, Ranked
Pouria Savadkouei
Top 10 Most Powerful Chevy Trucks Ever Made!
Hennessey's New Supercharged Silverado ZR2 Has 700 HP
Verdad Gallardo
Coachbuilt N2A Anteros Is an LS2-Powered C6 Corvette In Italian Clothes
Verdad Gallardo
Awesome K5 Blazer Restomod Comes With C7 Corvette Power
Verdad Gallardo
10 Camaros You Should Never Buy
10 LS Engine Myths That Refuse to Die
Verdad Gallardo
TECH Addict
Joined: Feb 2002
Posts: 2,319
Likes: 0
From: Lewisville, Texas
A split duration cam is one where the valve durations(intake/exhaust) are different, mine is a 228/232 meaning that the exhaust valves stay open longer than the intake valves. The intake valve duration is 228 degrees of crank rotation while the exhaust duration is 232 degrees of crank rotation. A cam like the TR 224 has equal duration 224 degrees intake duration/224 degrees exhaust duration. LSA is not lobe size it's lobe seperation angle. In an A4 an LSA of 114 degrees will produce an idle that is close to stock while a 112 LSA will be alittle more choppy.
My cam is a .273/385 on a .532/.542 lift. It is on a 114 LSA. Dur at 050 is 220/232. This cam pulls very hard on the big end but lacks in the lower torque curve. It is a "Nitrous cam that was intended to see heavy spray, but my plans have changed. I have never had nitrous on the motor to see how it actually performed. According to Comp, this would make awesome power above 3200. I know that it pulls very hard on the big end. My car picks up at least 25 mph after the 1/8th
TECH Fanatic
Joined: Jun 2003
Posts: 1,070
Likes: 0
From: Further South than Hell
Originally Posted by TEA Brent
The G5X-2 makes a killer nitrous cam. No one knows the specs on the X-3 so who knows. Do not use a reverse split. Put your lobe seperation on a 114.
I said a CLOSE reverse split like 226/224 or 228/226. As for the low lsa it's not for chopchop but to lower the powerband and produce High horsepower closer to the torque peak.Heck I might even go as low as 110.
I'll be using something similar on a 150 dry and I'll let you know how it does.
Launching!
Joined: Oct 2003
Posts: 283
Likes: 0
From: texas
Originally Posted by 4thGENRETARD
Why not?? Cylinder pressures get so high that the gases get expelled quicker. And a longer intake duration will bring in a bigger charge.
I said a CLOSE reverse split like 226/224 or 228/226. As for the low lsa it's not for chopchop but to lower the powerband and produce High horsepower closer to the torque peak.Heck I might even go as low as 110.
I'll be using something similar on a 150 dry and I'll let you know how it does.
I said a CLOSE reverse split like 226/224 or 228/226. As for the low lsa it's not for chopchop but to lower the powerband and produce High horsepower closer to the torque peak.Heck I might even go as low as 110.
I'll be using something similar on a 150 dry and I'll let you know how it does.
TECH Enthusiast
Joined: Jun 2002
Posts: 563
Likes: 0
From: Deer Park
Why not do what the W1 did and leave it on a 116? They were getting obscene numbers from a 150 shot- if I remember correctly. The tight cam held the cylinder pressure in and made phenominal power.
https://ls1tech.com/forums/ls1-domestic-forums/t-113019
https://ls1tech.com/forums/ls1-domestic-forums/t-113019
TECH Addict
Joined: Feb 2002
Posts: 2,319
Likes: 0
From: Lewisville, Texas
99 T/A A4 12 bolt 3:73s, 28" MT ET Drags, at the track I run a 150 HP shot on the bottle with an MMT M2 cam. Cam specs are as follows duration is 228/232 lift is .609/.598 on a 110 LSA. Last dyno runs were made the same day I went to the track 11-22-03. Dyno numbers N/A 377.1 RWHP 360.3 RWTQ. N20 507.6 RWHP 550.6RWTQ. Still slow but it went 7.061@93.46 on a 1.691 60ft. It was getting faster with each pass but on that pass I lost the 3-4 clutch pack. Mid 6's soon to come.
TECH Enthusiast
Joined: Jun 2002
Posts: 563
Likes: 0
From: Deer Park
Why the tight LSA's? I've mentioned the power made by the W1 on a 116- and noone has commented on this. All of you keep posting cams with 112 or 110 Lsa's.
How is this beneficial to nitrous oxide?
How is this beneficial to nitrous oxide?
TECH Fanatic
Joined: Nov 2001
Posts: 1,695
Likes: 9
From: Raleigh, NC
I cant comment on the LSA effects with N20 but as stated above go with a normal split with more exhaust duration than intake. If you want something more mild for the daily drive look into the 224/228 .581/.581 on 114 . If I am not mistaken this is what Cartek uses for their N20 packages. I have seen some KILLER numbers out of that package on the juice.