Y2K Camaro cam only: FIRST DYNO!
Thread Starter
Launching!
Joined: Nov 2001
Posts: 280
Likes: 0
From: North Royalton, Ohio
Y2K Camaro cam only: FIRST DYNO! After owning the car for 4.5 years, I finally got myself to a dyno to see where the car is at and I couldn't be more pleased.
Mods: CompCams 224/224 .563/.563 112 cam with 918 springs and Comp pushrods, LS6 intake, ASP pulley, Pacesetter headers & ORY, SLP 2OTL catback, lid, K&N, free mods, and STOCK TUNING
Final results: 386 RWHP and 369 RWTQ. (need a scanner for the sheet, sorry)
I am getting the car dyno tuned next week, so I am hopeful to see 400RWHP and maybe 380RWTQ. I was very suprised to see that the air/fuel was not that badly out of whack. Started out lean and was pretty good until 4500 rpm when it spiked to super lean (like 18.0+) Power was still climbing, so getting the mixture worked out and getting a higher rev limiter should make quite an improvement. Curves were nice and flat with no spikes. I am super happy!
Mods: CompCams 224/224 .563/.563 112 cam with 918 springs and Comp pushrods, LS6 intake, ASP pulley, Pacesetter headers & ORY, SLP 2OTL catback, lid, K&N, free mods, and STOCK TUNING
Final results: 386 RWHP and 369 RWTQ. (need a scanner for the sheet, sorry)
I am getting the car dyno tuned next week, so I am hopeful to see 400RWHP and maybe 380RWTQ. I was very suprised to see that the air/fuel was not that badly out of whack. Started out lean and was pretty good until 4500 rpm when it spiked to super lean (like 18.0+) Power was still climbing, so getting the mixture worked out and getting a higher rev limiter should make quite an improvement. Curves were nice and flat with no spikes. I am super happy!
Last edited by Samba242; Sep 22, 2004 at 04:37 PM.
I was very suprised to see that the air/fuel was not that badly out of whack. Started out lean and was pretty good until 4500 rpm when it spiked to super rich (like 18.0+)
18-1 
holy crap thats high usally we try to keep them in the mid12's on the dyno because on the street its even higher, with all the knock you have to be seeing you should have a ton of power left. but 18-1 seems like you lucky it hasnt blown yet. dyno 02 maybe way off though almost has to be id think, if it loses the signal, it will go 18-1 as high as it will go
holy crap thats high usally we try to keep them in the mid12's on the dyno because on the street its even higher, with all the knock you have to be seeing you should have a ton of power left. but 18-1 seems like you lucky it hasnt blown yet. dyno 02 maybe way off though almost has to be id think, if it loses the signal, it will go 18-1 as high as it will go Thread Starter
Launching!
Joined: Nov 2001
Posts: 280
Likes: 0
From: North Royalton, Ohio
Yeah, the cutoff was 18:1. I am really kind of confused because everything I have ever heard said that longtube headers make the cars run rich. It seems I have the opposite problem. I also see I was not looking at the sheet properly..... AF seems pretty good until 3400, then it just goes right off the chart. There was a little gray/black smoke that started around then too, so I don't think it was losing the signal.
Getting the AF straightened out........ how much more power could I realistically see?
Getting the AF straightened out........ how much more power could I realistically see?
Trending Topics
LS1 Tech Stories
The Best V8 Stories One Small Block at Time
Gas Monkey Built a 6-Wheel Ferrari Testarossa With a Corvette LT4 Engine
Verdad Gallardo
7 Most Reliable High-Performance Engines GM Has Ever Built
Verdad Gallardo
Amazing '71 Camaro Restomod Is Modern Muscle Car Under the Skin
Verdad Gallardo
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 Thread Starter
Launching!
Joined: Nov 2001
Posts: 280
Likes: 0
From: North Royalton, Ohio
Originally Posted by Trojan T/A
Nice numbers. Another possibility is the sensor blew out from the exhaust and in that case it goes to 18 too. How many times did you dyno and did this happen on all runs?
No, the sensor didn't move an inch. (bungeed to tailpipe) I did 3 runs and they were all the same as far as a/f goes. First run was 376 HP (stopped at 5800) and the second was 383.
davered00ss: it is a great cam, pretty vanilla around here, but I like it. Also, keep in mind I don't have a before and after cam dyno comparison..... I might have one of those "freaks" that dynoed 345 hp stock. Anyway, it is a solid cam choice.
Thread Starter
Launching!
Joined: Nov 2001
Posts: 280
Likes: 0
From: North Royalton, Ohio
Originally Posted by WildBills WS6
I have the same exact mods as you and I put down 403/376 tuned
You are probably making more power than I am.... my cam isn't the Thunder one, just an off the shelf Comp grind from LS1Speed. Also you list a 12 bolt w/ 4.10s.... that will rob some power too.
Thread Starter
Launching!
Joined: Nov 2001
Posts: 280
Likes: 0
From: North Royalton, Ohio
Originally Posted by BamaJohn
Got any sound clips? Would love to hear the 224 through the 2OTL + headers.
Those are AWESOME #'s. I just started modding my 99 TA, hope to get around the same #'s as yourself! Was shootin for 375-400 rwhp w/o power adders! You must've done something right to get those #'s! Grats!
