T-rex Tunning Emergency Help!!!!!
Originally Posted by SMOKIN01TA
cranes on the trex get .030 shims
the new cranes that came out now require a .090 shim not the .030 shim that they used to be. Supposedly Crane has some new metal they are using and they seem to like more seat pressure. i'd check cam timing, could be off even though you did it dot to dot. Fireball installed his trex on a different ICL (107 or 109 dont remember off hand). have all other mechanical issues been ruled out yet?
Originally Posted by sevanseriesta
Thanks, Jerami.......Well they got the bottom end sputtering fixed it does not do that anymore. Ended up just being a bad 02 sensor. But as far as power it is not getting any better then 377 and 358.
It starts out at 23 degrees timing and got highest #'s at 25 degrees by 2800 rpms. A/f was straight at about 13 I think that is where the line was. He adjust timing up and down and that was the best he could get. He adjusted the a/f up and down and this was the out come. He is telling me there is obviously a problem he tuned a car that had less done on the g5x cam that made 410/389 so what is wrong
It starts out at 23 degrees timing and got highest #'s at 25 degrees by 2800 rpms. A/f was straight at about 13 I think that is where the line was. He adjust timing up and down and that was the best he could get. He adjusted the a/f up and down and this was the out come. He is telling me there is obviously a problem he tuned a car that had less done on the g5x cam that made 410/389 so what is wrong
someone said that they were going to post a graph for me but they have not done it yet I have it in e-mail and I can not figure out how to post a pdf file if anyone can help I will send it to them if you can post it for me.
Originally Posted by 93LS1RX7
You are livin in the past the new cranes that came out now require a .090 shim not the .030 shim that they used to be. Supposedly Crane has some new metal they are using and they seem to like more seat pressure.
the new cranes that came out now require a .090 shim not the .030 shim that they used to be. Supposedly Crane has some new metal they are using and they seem to like more seat pressure.but fwiw, seat pressure wasnt the concern, it was coil bind that kept us from shimming any higher, these new springs would have to be way different
Originally Posted by sevanseriesta
someone said that they were going to post a graph for me but they have not done it yet I have it in e-mail and I can not figure out how to post a pdf file if anyone can help I will send it to them if you can post it for me.
khadafi3@juno.com
do you think that I might be haveing a problem with coil bind. I am working on getting the graph up. i accidentally posted in the ls2 forum the post with my graph and there is a guy trying to put it up. I will have it moved to this forum as soon as it is posted
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yes it should have been......These guys are pretty good and know what they are doing I think they did it in 4th but i could be wrong I was not there could have been done in 3rd too.
i am not sure what run 3 is the torque curve is not on the graph i looked at it when I went up there and it looked the same it just peeked at 358 at the same time the horsepower peaked I will try and get another graph when i go and pick up the car.
Other then the o2 sensor being bad I think that I just have to get a new lid and a new intake. This is the only thing that I can think of that would be robbing be of some power.
TECH Regular
Joined: Sep 2004
Posts: 404
Likes: 0
From: Raleigh, NC
It is not listed in your sig, but you have headers right? I am sure the intake will help that cam breathe. MC tuned my car pretty quick and came out with awsome curves on the dyno graph, Nick knows his stuff.