Getrdone's GETR181

Offroad VW based vehicles have problems/insights all their own. Not to mention the knowledge gained in VW durability.
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jt1967
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Re: Getrdone's GETR181

Post by jt1967 »

You have some serious talent. awsome welds
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Getrdone
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Re: Getrdone's GETR181

Post by Getrdone »

Well, mounted the rear seats stadium style and added some door bars. It is actually very comfortable! Moving on to front seats, mounting my Matomi steering column and fab'n up a fuel tank. Never made a flat tank. Hoping there won't be any issues. It is going under he rear seats. 16"x6.5"x47.5". I'll post a model for the experts to want on.
I can put it up front and use the under seat for storage. Any ideas on weight bias? If I have a choice should I put it under the rear seat or up front?
This should keep me busy for a while until I can get brakes. Talking to Dan today hoping he can get something from Jamar to get me rolling.
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tikotiko
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Re: Getrdone's GETR181

Post by tikotiko »

Tanks in the cap with kids always scare me dude. If I could get past that fear id put mine behind the seat.
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Getrdone
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Re: Getrdone's GETR181

Post by Getrdone »

Yeah, I don't like it either. At least it is in a very protected part of the car and low. I was also considering behind the seat. I plan on a firewall between the engine and pass compartment.
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tikotiko
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Re: Getrdone's GETR181

Post by tikotiko »

that is a good point of it being protected under or behind the seat . good one to pitch the wife when she sees it there
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CentralWAbaja
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Re: Getrdone's GETR181

Post by CentralWAbaja »

My thoughts are keep it low and as close to the middle of the car as possible. Keep the pressurized fuel on the motor side of the firewall. Do the large standard oval access in the top of the tank so you can fill the tank with race foam. Having the fuel load over the front or rear tires is less desirable to me as the load will change throughout the burn off.
It is not Mickey Moused.....It's Desert Engineered!
DesertGuy
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Re: Getrdone's GETR181

Post by DesertGuy »

...on the other hand...by keeping pressurized fuel on engine side, allows an aerosolizing liquid - being sprayed by pump - a straight shot to ignition points, such as: calipers, rotors, exhaust manifolds, etc...

Since it is at a 'pressurization' point, that becomes a failure point with connections and hoses. It is not the fuel (liquid) I am concerned with since it is too rich of a mixture to worry about. It is after it becomes aerated and vaporized (reaching an ignition mixture) waiting for an ignition source - readily available in the area of the engine compartment, either open or closed. Spraying fuel in an open engine compartment with multiple ignition sources is no bueno...

So (in a failure)...having pressurized fuel spraying around an open engine compartment... being picked up by your radiator fans and then sprayed into a fine mist....landing on everything hot is your plan? (just wondering)

Just stirring the pot...
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CentralWAbaja
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Re: Getrdone's GETR181

Post by CentralWAbaja »

Good points...But kinda hard not to have pressurized lines in the engine bay isn't it? :lol: I was actually just this week trying to figure out a way to keep the pump and such on the engine side of the firewall and still have it protected from such things like a broken or backing out trailing arm pivot bolt ect.

On one of my trips to Glamis. I seen an LS rail that had broken an axle and the axle had whipped around and smacked his fuel lines. Hadn't actually taken them out but was something to get me thinking about it.

I have done a small bit of research on how to do a safety system for fuel pump cut off, but at this point all that rocket science wiring is way out of my comprehension. :oops: :roll:
It is not Mickey Moused.....It's Desert Engineered!
Ol'fogasaurus
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Re: Getrdone's GETR181

Post by Ol'fogasaurus »

CentralWAbaja wrote:Good points...But kinda hard not to have pressurized lines in the engine bay isn't it? :lol: I was actually just this week trying to figure out a way to keep the pump and such on the engine side of the firewall and still have it protected from such things like a broken or backing out trailing arm pivot bolt ect.

On one of my trips to Glamis. I seen an LS rail that had broken an axle and the axle had whipped around and smacked his fuel lines. Hadn't actually taken them out but was something to get me thinking about it.

I have done a small bit of research on how to do a safety system for fuel pump cut off, but at this point all that rocket science wiring is way out of my comprehension. :oops: :roll:

That’s scary man; you are starting to sound paranoid like me. :lol:

You can only do so much to stop whatever it is that is going to/could happen.

Instead of driveshaft loops maybe half-shaft loops (you don't want to cut a brake or fuel line) at both ends, a roll over switch to turn off the fuel pump, all fuel connections made to FAA standards (there are so many I couldn’t even start to remember them all) but leave out the fuel dump emergency bit; greenies would not like that at all. :wink: :roll:

I agree with the keeping the fuel out of the passenger compartment and also having a tight firewall which VW kind of had (they float don’t they) when new. I am also leaning towards keeping the main electrical in the rear (shorter run - no pun intended), in a vented outside separate compartment also. It also (should) make it easier to diagnose problems without component parts all over the place. Also, keep as little as possible of the electrical components from being routed into or through the passenger compartment; passengers stepping on or messing with the wiring is not uncommon when non-car people are in the vehicle… they just don’t understand and it is in the way of their comfort.

Lee
DesertGuy
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Re: Getrdone's GETR181

Post by DesertGuy »

If you're using a reworked stock ECU, isn't the pump ran off that....by a negative sensor trigger for a fuel pump relay? My 3.2 was done that way. If not, you can wire a FPSS pretty easily....NEVER! NEVER! wire a fuel pump to a toggle switch for OFF - ON.
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CentralWAbaja
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Re: Getrdone's GETR181

Post by CentralWAbaja »

DesertGuy wrote:If you're using a reworked stock ECU, isn't the pump ran off that....by a negative sensor trigger for a fuel pump relay? My 3.2 was done that way. If not, you can wire a FPSS pretty easily....NEVER! NEVER! wire a fuel pump to a toggle switch for OFF - ON.
Uhhhhhhm......probably :oops: I am a long ways from comprehension on this stuff. But the pump on a switch deal is something I need to address in the kids car. Sooner rather than later.


Lee, I am being a little paranoid but having seen some of this stuff gets me thinking. It is crazy how many sand cars have remote fuel filters plumbed to the engine cage where it is easy to access for maintenance but very susceptible to being ripped out when things go bad.
It is not Mickey Moused.....It's Desert Engineered!
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Getrdone
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Re: Getrdone's GETR181

Post by Getrdone »

I moved on to the front door bars as I still have not decided where to put the fuel. If I mount the radiator "outside" the fuel tank could go behind the rear seats behind the firewall. I hate building without money or parts. To many chances of surprises. Gotta go to Costco......suck!
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Getrdone
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Re: Getrdone's GETR181

Post by Getrdone »

Finished the door bars and mounted the column. The. Had a 5lb. Ribeye!
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thingow181
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Re: Getrdone's GETR181

Post by thingow181 »

Getrdone wrote:Finished the door bars and mounted the column. The. Had a 5lb. Ribeye!
I don't know which I like better, the steak or the car!?

Get that THING done so I can tow mine down while I am stateside in December!

P.S. Glad to see you up and running again! :mrgreen:
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Getrdone
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Re: Getrdone's GETR181

Post by Getrdone »

Ok, killing the heim shifter search again. Seems straight forward. Ill see if I can make it more complicated.
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