New PB 10.34 @130
10-11-2010 | 08:20 PM
#21
If you have the nitrous wired to be off when the transbrake is on, you need to move the window switch down to 3000 rpm... doesn't look like it's spraying out of the hole... You have a progressor? Like Wayne said, leaving way soft for what you have...
What hole is the TA in on the front? What kind is it?
Figure out why it isn't coming out hard, then work on suspension... Those shock settings are different than I would run, but I was never on slicks, always on drag radials... And like said above, you need a dragbar...
What hole is the TA in on the front? What kind is it?
Figure out why it isn't coming out hard, then work on suspension... Those shock settings are different than I would run, but I was never on slicks, always on drag radials... And like said above, you need a dragbar...
No progressor.
Never really looked at it as leaving soft until now, I have a feeling that alot has to do with only leaving at 4200, probably need to be leaving much higher. I am off tomorrow and I plan on getting the car lowered as stated and transfering weight better.
ATVracr As long as the window switch is set to a lower rpm than you leave the line there should be no delay.
2 step would be a good investment.
Put some radials on it and it will go faster !
2 step would be a good investment.
Put some radials on it and it will go faster !
Brad@NANO Direct Looking good
I appreciate the advice guys, looking forward to lowering the car tomorrow and seeing how it does.
10-12-2010 | 06:43 PM
#22
what does the converter flash to off of the brake? mine sits at 4200 on the brake as well but flashes to 5300ish when i come off the brake and the n2o comes on. my best with no two step is a 1.39 on a 100. i would think on a 200 hit it should pick up a good bit. i also am on radials.
10-12-2010 | 06:58 PM
#23
what does the converter flash to off of the brake? mine sits at 4200 on the brake as well but flashes to 5300ish when i come off the brake and the n2o comes on. my best with no two step is a 1.39 on a 100. i would think on a 200 hit it should pick up a good bit. i also am on radials.
As far as the flash goes I really don't know? I never even look at the tach when I launch.
I went back today and spent about 3 hrs lowering the front of the car. It was clear what the guys were talking about as soon as I lower the car. Before when I went to jack up the frontend as soon as I hit it with the jack the tires just about came off the ground(basically zero travel). Now when i jack up the frontend the fender to tire raises about 4 inches before the tire even starts to move. I hope this helps with the transfer...
10-12-2010 | 07:42 PM
#25
New measurements in the front are 26 3/4 (before today it was almost 28). Shocks are Strange DAs with hypercoils in front and stock springs in back with no isolators.
10-12-2010 | 07:47 PM
#27
10-12-2010 | 07:56 PM
#28
i have been tossing around the idea of removing the rear isolators on my car. currently stock springs with ce shocks ( set on 50/50 ) just not sure what i would achieve by doing so besides lowering it a bit. its sitting at almost 29" in the rear now. i dont think that visually the car looks bad and the launch seems to be working well. this is why i have been reluctant to do it.
10-12-2010 | 08:06 PM
#29
Car looks sharp man! Yeah my rear is sitting at 27.5 with just stock springs and no isolators. I think the ride heights differ due to different spring perches (learned this today) on different brands of rears. Some sit higher and some sit lower with the same mods.
10-13-2010 | 08:32 AM
#31
Sent you a PM. I went back and reread the fastest nitrous cars list an i think I can squeeze in the 9s with a 132 trap. Looking back on my timing last pass I think I got a few more degrees I can utilize that should get me there, also some better temps and DA.
10-13-2010 | 04:04 PM
#33
The reason I say you have something going on that it isn't spraying out of the hole is if you go back and look at your 60' times on your previous 10.60 runs, you are still running the same 60' to the hundreth... 1.44... If you were really spraying another 50 out of the hole, there would be at least a bit of drop in the 60'. Something is up with your setup on the window switch or what RPM you hold it at on the brake...
10-13-2010 | 04:52 PM
#34
or weather changed a little a bit etc. bottle pressure was a tad different, there are a couple little factors that could have affected the sixty foot even if it had 50 more. those couple of hundredths could have been taken up somewhere.
Do you have a log of your pass that we can look at?
Do you have a log of your pass that we can look at?
10-13-2010 | 05:07 PM
#35
or weather changed a little a bit etc. bottle pressure was a tad different, there are a couple little factors that could have affected the sixty foot even if it had 50 more. those couple of hundredths could have been taken up somewhere.
Do you have a log of your pass that we can look at?
Do you have a log of your pass that we can look at?
I'm trying something different with my bottle pressure as well. Going with 950 instead of 1000 for a few hits. DA was also a little higher. I'm going back this friday, should be racing in the 60s vs mid to high 80s last week.
The reason I say you have something going on that it isn't spraying out of the hole is if you go back and look at your 60' times on your previous 10.60 runs, you are still running the same 60' to the hundreth... 1.44... If you were really spraying another 50 out of the hole, there would be at least a bit of drop in the 60'. Something is up with your setup on the window switch or what RPM you hold it at on the brake...
10-13-2010 | 05:09 PM
#36
I still think the way he has the window switch setup, or how he is leaving, is doing it... That converter of his is tight like mine was - a little bit more nitrous out of the hole made a big difference in the 60'.
10-13-2010 | 05:34 PM
#37
Yea I agree there is something there. Thats why I wanted to see a log to see what it was doing. What gear is in it?
10-13-2010 | 05:56 PM
#38
edit - cam you may be on to something, maybe my car isn't seeing the 4200 off the TB anymore since the 375s were installed and causing a delay. I have never logged the 375s on the TB.
Sorry guys, should have mentioned the gear swap earlier, may bad...
Last edited by Carter01; 10-13-2010 at 07:16 PM.
10-13-2010 | 07:44 PM
#40
Take the window switch out for a run. Just make sure you don't bang the rev limiter... if the car's going to 4000 on the brake then you can spray it right there... if you have it wired up like that diagram I sent you then you can just run it that way, and believe me it's gonna come out with 100% of what it's got.
I'd try to keep the bottle pressure at 950, and no more.... higher you go with it the more of a drop you will see over the course of a run and the harder it is to get a handle on the tuneup, as the pressure change will be messing with where the motor is the whole run, and you'll never get 100% out of it.
Another tip, is to keep the bottles only filled with 9 lbs, this way there's room for the nitrous to expand and you don't get the head pressure. Granted you'll only get 2 runs this way tops on one bottle... but for the consistancey of things you'll be better off until you are 110% that the tuneup is perfect.
I'd try to keep the bottle pressure at 950, and no more.... higher you go with it the more of a drop you will see over the course of a run and the harder it is to get a handle on the tuneup, as the pressure change will be messing with where the motor is the whole run, and you'll never get 100% out of it.
Another tip, is to keep the bottles only filled with 9 lbs, this way there's room for the nitrous to expand and you don't get the head pressure. Granted you'll only get 2 runs this way tops on one bottle... but for the consistancey of things you'll be better off until you are 110% that the tuneup is perfect.