Crap, race car down

Well I've got my drag car down awaiting a new set of heads, but I think I'll still go and bracket race the new Toyota for grins. Its just an 1/8th mile event, but I hate to miss it.

The truck is a 13 DCLB 4L auto, all completely factory components suspension and power wise. I have a AFE cab high shell so a bit of added weight there.

Question is what's yalls quess as to what it will run in the 1/8th? Also your suggestions on the traction control button, Im still after reading about it in the manual a bit confussed on this feature. I understand it's normaly on and arming the switch turns it off correct? But whats the other feature when you push it and hold it down a while until another light come on? I've noticed that thier's 3 different lights on the dash regarding this switch.

I planned on pulling it into either 3rd or 4th [wich ever had the correct gearing and rpm at the strip] and just seeing if she's consistant enough to win me some cash and keep me racing while the real racer is down. Thx guys


Ryan

 

Well something came up and I did not end up making it. I spent a couple hours reading the other 1/8th mile e.t. threads I could find here. With the few I found that were worth reading it looks like I could expect any thing from 9.60's to 10.40's in factory form.

I would still like someone's explanation of the three diff. lights on the dash regarding the traction control button. Thanks

If my heads don't make it in this week I will still take the little truck out and bracket race it this next weekend.


Ryan

 

I think even if you shut it off, it only remains off until a certain speed (30mph?).
Not good for drags.

 

the traction control shouldn't be a issue should it?
The big part will be the wheel spin on launch.

 

I will just have to feel it out there I guess and see what works best. I don't suspect in 2wd that its going to have a traction issue anyway but if it did it'd be a waste of time not being repeatable to bracket race. It's my DD so I wont be launching it in 4x4, I was just more curious as to all this button's details. If I remember right 2 come on when selecting the button but if it's held in for a while it seems like they go out and the 3rd one comes on. Cant recall exactly but my book didn't make much since of it and my dealer damn sure knew nothing about it, lol. Is it just the ABS coming on to the side that slips to force the other side to spin? Seems sorty lame huh?

 

This might help.

Honestly i wouldn't worry about launching it in 4x4, there's a member on here (can't remember his name) that has a 4x4 taco, v6, and he turbo'd it, he launches in 4 hi and switches to 2 after launch, no problems on stock trans or cv's/diffs, and he does it a lot.

 

Nice, thanks for the link that was a good read. Odd system and still confusing but thanks non the less.

I wonder since it seems like our ABS system controls braking at so many diff. times and situations and ever detunes or regulates power for us, that it possably leads to a more premature brake failure? That also makes me wonder how or what it takes for the ecm to pull power. Has anyone here ever ran a full tank of fuel with all this crap turned off to see if it made 'any' diff. at all with milage. Interesting thought anyways. If it's pulling power and applying the brakes when Id other wise not be It makes me wonder if their anything to gain by it being off for a tank, I quess I will find out. I dought it also, but if I find anything on it I will report back. Thanks

Ryan

 

If we are thinking of the same person, Super Werty, on XRU. I think 07tacoman on here. Aswerty312 on YouTube.

Was TRD charged and is now URD charged. Holds the record for the quickest 1/4 mile for the 1GR, and like you said, launches in 4 hi.

http://www.youtube.com/watch?v=AWFq1uudXpg

 

He switched it to 2wd in 4th gear. It doesn't damage the truck to be switched in such harsh conditions?

 

hold the traction control down long enough and it will turn off the vehicle stability control. depending on your car it will turn bak on under slippery conditions. the camry doesnt

 

actually it shouldnt turn back on unless your spinning out of control.

 

Something to consider. Works like a charm.
http://www.tacomaworld.com/forum/technical-chat/257444-4lo-trac-abs-kill-switch-why-why-not.html

 

If you want consistency then do this.

Put it in 4HI.
Shifter in 3rd.
One foot on brake, bring RPMs up to ~2500.
Release brake, put foot into gas pedal all daaa way.
Switch back to 2HI when you hit 3rd gear.

 

Heh.
Sounds like a good way to blow a tranny cooler line...

 

Thanks guys for the suggestions. My cylinder heads finally made it here and the car can go back together soon. I still plan to bracket race the Tacoma one night just for the heck of it and see how she runs. The plan will be to make my runs in 2wd putting the truck in 3rd to lock out 4th and 5th, and leave at a consistant 2k and see what happens. IF traction is a issue I may try 4 hi but I wont be switching back to 2wd during the run. That's just me though. Thanks again guys. When I run it, I'll update this thread with my e.t. and mph. It's going to stay bone stock so Im betting on low to mid 10's.

Ryan

 

Just stating what has been repeatedly used by guys making way more power than OP.

 

actually the I switched in the middle of 3rd around 80mph

Did this about 35 times at the track and never had an issue with more than double stock rwhp

 

From the source. ^^^

 

Ha! Cool!

These trucks seem to be pretty robust then!

 

Curious what did your truck e.t. when it was in factory form? And I was not doughting yall's method of switching back to 2wd from 4wd it just wasn't going to be my plan.

It popular in the diesel racing scene, where they launch in 4hi and pull it back to 2wd during the run to gain some par losses. But they later found that due to the load on the driveline that they were not really dropping out the front drive until they let off after the stripe and some noticed it when they were turning off onto the return roads. Not saying our trucks are doing that but something to think about or notice next time to do it? I have a cool old 74 Datsun 260z with a blown 383 on alk that I beat on. It runs low 5s in the 1/8th. And with 5.67 gears its only geared for the 1/8