Drag and Drive Baja

[Schweg]

I guess I was thinking line lock and launch. But also thinking 3 step.

I will just look at getting launch control working. Also thinking that my initial settings will be lower in the rpm range just to see how all this works.


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[buguy]

Yeah I'd be a bit hesitant to use launch control with a stock trans!

[Clonebug]

Launch control on the clutch pedal and a switch on the shifter to activate or deactivate it.





It's wired through a relay and the switch just activates the relay which supplies the ground signal to the clutch switch. That way I don't have to have the computer to switch it on or off. the switch on the clutch is just a cheap switch from NAPA and the push on/push off switch is from the now defunct Radio Shack.

It's been installed for at least 2 years and I have never used it to launch yet.......I have used it to make cool rev limiter sounds though.....

[Chip Birks]

Mine has been installed for years, and I've never needed to turn it off with the laptop either. It only works when I tell it to with my right foot. I've never had it activate when I didn't want it to, and it has always worked when I asked it to. One switch, it has a tps window built into the parameters, if I'm not on the throttle before I put the clutch in, it doesn't activate.

[Schweg]

Clone thanks for the thoughts. No judgement but are you afraid for destroying your transmission or your clutch? The only reason I ask is that it seems similar to engines the transmissions where overbuilt and will take some abuse.

I think I’m gonna head Chips route and not run a relay but just a switch on the lower portion of the clutch




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[Chip Birks]

I have a fully built, race gear box in my car and even I only launch my car on the race track, with slicks. Street tires are too hard and hop and jump while spinning which shocks the heck out of transmission components. I have way too much invested in my gear box to destroy it on the street while showboating. I honestly can't say whether or not mine will wheel hop on street tires. Hopefully not, but the times that I have felt them spin while rippin up an onramp, I've definitely FELT them spin. At that point though components are loaded well and shouldn't experience any load/unload shock.
Clone has huge tires on the rear of that buggy, i think there is a lot of wisdom in not launching it.

[Schweg]

I have a fully built, race gear box in my car and even I only launch my car on the race track, with slicks. Street tires are too hard and hop and jump while spinning which shocks the heck out of transmission components. I have way too much invested in my gear box to destroy it on the street while showboating. I honestly can't say whether or not mine will wheel hop on street tires. Hopefully not, but the times that I have felt them spin while rippin up an onramp, I've definitely FELT them spin. At that point though components are loaded well and shouldn't experience any load/unload shock.
Clone has huge tires on the rear of that buggy, i think there is a lot of wisdom in not launching it.

Part of me just wants it cause I can. I don’t think I’m actually going to use it.

Chip your not really making me want to try and launch this thing, cause I don’t want to break things.


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[buguy]

I don't really want to launch mine. But it would be fun to give the kids a little 2 step rev!

[Clonebug]

Clone thanks for the thoughts. No judgement but are you afraid for destroying your transmission or your clutch? The only reason I ask is that it seems similar to engines the transmissions where overbuilt and will take some abuse.

I think I’m gonna head Chips route and not run a relay but just a switch on the lower portion of the clutch

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I don't have the traction on a normal launch so launching with 6.0 plus lbs. boost is just asking for trouble. My buggy is a driver... not a race car.
I'm not interested in fixing it all the time....I prefer to do upgrades in the winter months.

I daily drive it a minimum of 3500 miles and have done as many as 8500 miles per year. To date I have just shy of 6500 miles for the year.
It's just not worth beating it and breaking it just to test a launch switch.

I have it installed because I can.......It was an upgrade I added to reward myself for all the OT I put in during the busy months.

I just drive down to Mario's shop and have him solder it up for me......that way I can check out his cool stuff, talk turbos and go have lunch and a couple beers.......

[Schweg]

Clone,

I hear you, I feel somewhat similar in that I have built mine to drive not work on, or race for that matter. That said I’m at a loss, It works and drives..... now I’m not really sure what to do so I’m wanting to continue to add things just to add them. And a launch switch is relatively simple and doesn’t take the car off the road.

I was looking last night at Kafer Bars, so that will probably be my next direction. I also have an Intercooler mount/wing I need to finish.

I appreciate everyone’s input and sage advice.

Schweg

[madmike]

No 'Launch control' on mine , but I'll get 6lbs on the "Staging Brake' for you guy's this weekend I'm going Racing

[buguy]

A kafer bar would be a smart add on. It will help save your trans, especially when you have to upgrade. Maybe a mid mount for the trans too?

[Schweg]

So the long weekend has not been as successful with the Baja as I had hoped. Most of my projects I either broke the parts I had on hand or didn't have parts to finish them.

Need to look for some steel at work for plates to make a Kafer/Truss bar.

So I am looking to get sequential up and running. Do you guys have any advice or setting inputs that are needed? Does MS3 simply extrapolate settings form the basic page or is more needed?

Thanks in advance!

[Ol'fogasaurus]

Schweg as you probably know I have been fighting with myself over the Truss/Kaffer/traction bar thing for a while now. Most every time I come up with some thing then other things come into play and the drawbacks come into play also.

Al

VGAJames style of bracing 4.jpg

There was a guy who's screen name was VGAJames who posted this picture of the connection of his Baja a while back. Instead of attaching the bar from the trans mounts (Pickle forks) to the shock towers like the kits do he bracketed it to the bottom of the body where down bars from the rear hoop of his cage attach which is where the rear seats would have been.

IMG_1223 copy.jpg

I would make this a double arm connection (some people refer to it as double shear). The bolt goes through both holes and the spherical rod end is captured on the bolt between the two sides. The loading is this way is much stronger than just a single attach point (I hope this makes sense).

If you have a cage this is a much better attaching point than the shock tower would be as the loading can go up and into the cage and be spread out over a bigger area that way. You could even do a Mendola Stiffy setup with an extra rod going into the IRS pivot bracket assuming you had IRS and wanted to do this.

The shock tower eyes, in my opinion, are iffy with the shocks attached to it much less another object loading maybe different than the design was intended to do.

For what it is worth. Lee

[Schweg]

Lee,

I don’t have a cage.... as of yet. I keep tossing the idea around. But I’m torn on losing the rear seat.

My Baja is a street machine. I’m not sure that it will ever see dirt other then when I don’t wash it. With all that said I appreciate the through post and thought.

I need to take some measurements but I’m brain storming and may have a thought in a bit on tackling the Truss issue.

Schweg


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