T-rex in a 04 z06 question
You don't know WHAT THE **** you're talking about, guy. I've had more LS1 cars than you've had pairs of Fruit of the Loom underwear your grandma gives you for Christmas.
I had a 4.10 geared C5 6-speed with a 236/239 .600/.611 cam that was NOT fun to daily-drive. The thread-starter wanted to know if a cam BIGGER than the one I had would drive well with the stock gears behind a M12.
The answer is:
NO
Period.
I don't give a **** about how badass or cool you think you are. :shrug: I don't give a **** that you throw around slang like Static Compression Ratio or Dynamic Compression ratio, more SCR/DCR with the LS6 Motor vs the LS1 motor, 300 lbs weight differences, etc, etc, etc. Anyone like you can use the search button and copy/paste what someone else has said. Not impressive.
Honestly, you really need to do more suspension mods to your car and leave the motor more stock than it already is before you can be man enough to change the blinker fluid or muffler bearings.
Your cronies think you're funny? Keep them in your circle and delude them with your advice.
I'm done with this thread. No need to keep bashing for no reason.
Also, about my suspension; it's damn near fully re-done aside from springs, a-arms and k-member?
Some things you just have to spell-out for some people.

LOL! thats funny, im pretty sure the vast majority of LS1 Tech speaks in rear wheel horse power. But i guess your right things do have to be spelled out.
I had a 4.10 geared C5 6-speed with a 236/239 .600/.611 cam that was NOT fun to daily-drive. The thread-starter wanted to know if a cam BIGGER than the one I had would drive well with the stock gears behind a M12.
The answer is:
NO
Period.
I don't give a **** about how badass or cool you think you are. :shrug: I don't give a **** that you throw around slang like Static Compression Ratio or Dynamic Compression ratio, more SCR/DCR with the LS6 Motor vs the LS1 motor, 300 lbs weight differences, etc, etc, etc. Anyone like you can use the search button and copy/paste what someone else has said. Not impressive.
Honestly, you really need to do more suspension mods to your car and leave the motor more stock than it already is before you can be man enough to change the blinker fluid or muffler bearings.
Your cronies think you're funny? Keep them in your circle and delude them with your advice.
I'm done with this thread. No need to keep bashing for no reason.
Your totally right gearing, weight, tune, compression, none of that plays a part on how streetable a cam is going to be.
You sir are clueless! Last edited by Mcduffys; Nov 9, 2006 at 05:11 PM.
Heres another question. At what rwhp point does 3.90's or 4.10s become useless in a vette as far as traction? I dont know if they make both 3.90s and 4.11's, but I would say if you plan on staying NA and take it to the track at all, go with 4.11's.
If you plan to spray, do 3.90's, it will give you enough gear to trap in 4th as long as your not shutting down before 6800 or so.
Traction wise, your gonna have a tough time hooking up with either, but the 4.11's would be harder.
http://www.f-body.org/gears/
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You sir are clueless!I've been saying this for at least 30 posts in this thread.
Got a mirror handy?
If you're spraying, either go with 3.90s or 28" tires with 4.10s or you're going to run out of gear.
Mike
Heres another question. At what rwhp point does 3.90's or 4.10s become useless in a vette as far as traction? Yes in my experience stock gears would be fine. I have a big cam Z06 and its very easy to drive around town. I don't daily drive it because it would get destroyed in the parking lot where I work although it is not hard to drive. I can still launch the car in second if i want. I was caught in a nasty rainstrom in bumper to bumper traffic for 2 hours with the car and no problems. Its all in a good tune. Also with my power level and these cool 60 degree days I cannot get any traction at wot below 70 mph in first or second. It gets a little squirley in 3rd but by 80 i can put all the power down. Im on the stock 295's. My advice is to leave the gears stock and see what you think. Remember the mn12 tranny has the same overall first gear ratio that the mn6 would have if the mn6 had a 3.82 rear.
I say do the cam and if your not happy with the low end get gears. A good tune makes a huge difference on the overall driveablilty.
Brad
I've been saying this for at least 30 posts in this thread.
Got a mirror handy?
Guess these guys wouldnt know though, they only own z06s.
Last edited by Mcduffys; Nov 9, 2006 at 09:30 PM.
Try the stock gears, if you unhappy run a set of 3.90s.
Guess these guys wouldnt know though, they only own z06s.
To reiterate my point ONCE AGAIN, I was running about 11.2:1 compression with 4.10s and the car wasn't very daily-drivable with a 236/239 cam.
I couldn't imagine running 24x/24x with LESS compression and LESS gear.
Maybe my buddy will chime in. He has an F-14 in a Z06 and will tell you the exact same thing as I will. Then you won't have to edit your post and remove the comment about my "plain jane 97 corvette" and talk about people who own z06s

To reiterate my point ONCE AGAIN, I was running about 11.2:1 compression with 4.10s and the car wasn't very daily-drivable with a 236/239 cam.
I couldn't imagine running 24x/24x with LESS compression and LESS gear.
Maybe my buddy will chime in. He has an F-14 in a Z06 and will tell you the exact same thing as I will. Then you won't have to edit your post and remove the comment about my "plain jane 97 corvette" and talk about people who own z06s

You had to drag me into this! Well, okay here it goes. The stock gear even in a M12 trans Z06 WILL NOT BE ENOUGH FOR THE TREX!!! I have a much smaller cam in the F14, which is 232 234 with .600 lift on a 112. Shortly after putting the cam in I had to add gears to the car. I went with 3.90s. They are the best choice for a Z06 with any cam above the 23x range. With 3.42s the car drove like crap period.
Then you have the low end torque situation on a daily driven car. I personally drive my car 60 miles a day 30 to and 30 from work. The F14 with a top notch tune is about as far as I would push on a 346. While my car has made 20 more rwtq than most others cam only and over 30 more rwtq as a H/C car it was way better than some to drive (Kraest car is a perfect example). I have driven his car on other occasions before he sold it and it was no comparison to the driveablity of my Z after the gears. Before the gears the Z drove about the same as his car F15 car. His car with a bigger cam, heads and a few other things made less torque than my smaller cam. It is all about torque not the highest HP for a daily driver.
I can also say that my Z06 with a full tank of gas and all the accessories (tools) I carry with me weighed in at 3160. The weight only drops from there as gas is burned or items are removed from the car.
I will be glad to answer any questions about having a cam in a Z06 just ask. I can go into all the details as my car was a work in progress from headers, to cam, to gears and finally heads. I am only recently going to finally add the FAST 90 to it.



