First trip to drag strip

[audiovillian]

james it must just be the area you live in, the climate, or maybe even the 2 wheel drive. I am not saying it isn't possible, but with both me and mounty running at the same track with the same mods and both of us having awd and we both pulled off about the same time. I'm not trying to offend anyone, but if i did i'm sorry. i couldn't weigh my truck becaue the scale is messed up at the track, but idid thos times with a full tank of gas and my stereo system installed(which wieghs only about 250#)

 

[ton_e_montana]

you guys need to come on down to Florida. Gainesville Raceway is right by my work and its one of the fastest tracks anywhere(GatorNationals). Starting to get real cool here at night like high 50's to low 60's. This is one fast track. Gonna run mine as soon as I get exhaust.

 

[james t]

AWD sucks power and adds weight. also, 100lbs. knocks off a tenth in the 1/4, so 250lb. stereo alone will hold you back .25 seconds (roughly).

 

[audiovillian]

do you think removing the front driveshaft would give me better times? Is that possible without blowing the transfer case(a ford mechanic said it would with an awd

 

[james t]

as far as i know, it doesnt have a fixed yoke output. if this is true and you pull the front shaft, it will blow all of the fluid out. still, it wouldnt be worth it really. the main bad thing about the AWD is the added weight. you have alot of traction. brake torque it to 2200 rpms and stomp it off the line.

 

[hydroxy]

I've never been to a track... someone explain powerbraking to me. Does the transmission not engage if you are revving with the brakes on? I have the basic idea of how an auto transmission works, but not complete understanding.

-Patrick

 

[jssong]

your just holding on to the brakes so your truck isnt actually moving. the brakes keep you from moving, but your wheels want to go.

 

[STANN]

But where exactly is that power going? It doesnt seem like it could be too good for the drivetrain (i'm not trying to be a oldman-nerd here, just curious). Is the driveshaft trying to turn (along with rear diff) and the brakes are just stopping it?

 

[GaSouthern1]

The front brakes lock up faster than the front, so when you powerbrake you give just enough brake to where the front tires want roll. Once you let off the gas your RPMs are up already, almost like dropping the clutch in a manual.

 

[rocket 5979]

Hey hydroxy, I know what you are asking. And I used to think it was that way for a while too. First off you got to realize that the engine crankshaft in your truck is not directly attached to your tranny. It spins the torque convertor which in turns spinds the driveshaft and spins that wheels. So most of the time when you powerbrake it it is just stoppping the torque convertor itself from spinning but the engine still is, it is just not engaging onto the torque convertor. That is why when you hit the higher speeds and feel that burst of power or little surge forward and happen to have a lockup type T/C it is the convertor locking up to the shaft. At least that is how I understand it. Some of the specifics may not be exact, but the principal is. Hope that lets ya understand why we can apply power and still keep the brake on while not shearing off our driveshaft or something else.

 

[hydroxy]

more questions.. =P
how does it disengage from the torque converter? I guess I'll have to lookup a diagram or something. I never could figure exactly out how auto trannys worked.

-Patrick

 

[Nate1]

Feast your eyes on this:
http://auto.howstuffworks.com/torque-converter.htm

and this:
http://auto.howstuffworks.com/torque-converter.htm

 

[rocket 5979]

Hey thanks Nate. I knew I had it right or very close. I love that site! Yeah once you think about it, it isnt that hard to understand. Kind of funny how people dont realize that the gas pedal is really the AIR PEDAL, and that our auto cars are driven by HYDRAULIC FLUID. lol.

 

[hydroxy]

both links suppose to be to the same place?

so basically the pump sucks the transmission fluid from the turbine, causing it to spin? How are the outer fins of the pump and turbine connected? is there a gap inbetween them? The halfpipe that rings around the center, is there space between the bottom of that and the housing behind it?

sorry I'm full of questions, I wanna understand completely =P

 

[Black Magic]

I went to the track last night...

1st..16.440 @ 84.29
2nd..16.383 @ 84.26
3rd..16.387 @ 84.24
4th..16.402 @ 84.28

I have got to get bracket Racing!

 

[explorer4x493]

Audiovillian- hey man, sorry to hear that you only ran a 17...something.

I think you should really look into what you're investing in your truck from now on. I mean mine ran 16.4 with only a flow.

 

[espnfreak]

Originally posted by explorer4x493
Audiovillian- hey man, sorry to hear that you only ran a 17...something.

I think you should really look into what you're investing in your truck from now on. I mean mine ran 16.4 with only a flow.

Your a 2WD and hes an AWD, that could explain the difference...

 

[explorer4x493]

ESPN- Hey, i realize that he's AWD. And that adds weight. On the other hand he got better traction than i did because he has AWD.

But I was comparing his mods versus mine. Look at his mods list. I don't remember exactly what he's got but it should be alot lower time.

My .02

 

[espnfreak]

Yah man, 16.4 is a damn good time for just a 5.0 2wd with a flow master. I am gonna have my v8 in soon and im hoping to run something like high 16's with a flowmaster and 31" tires hopefully...we'll see.

 

[explorer4x493]

Originally posted by espnfreak
Yah man, 16.4 is a damn good time for just a 5.0 2wd with a flow master. I am gonna have my v8 in soon and im hoping to run something like high 16's with a flowmaster and 31" tires hopefully...we'll see.

Hey you got any pics of your truck?

I don't think that mine would run that now though. I put on 265/70/15 (approximately 30.4") tires on now and lifted using shackles. LOL, ya i know, i can never decide whether or not if i want to lift or lower.

By the way, when i raced i was lowered 2 1/2". Had stock size tires on. I don't even remember if i had my K&N filter yet? All i did was use the torque converter to my advantage like has been previously stated, and just shot off the line.

Good luck w/ the swap though...:smoke: