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Dazed_Driver
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Re: VW MK4 TDI build
January 04, 2012 03:37AM
(speaking of fuel cell protector protectors... I just got the bottom half of mine all welded. I just need some sealer and to bend up the lid... probably another 4 years worth of work...)



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Do It Sidewayz
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Re: VW MK4 TDI build
January 04, 2012 08:11AM
I find it amazing that you can house 2 "homemade tanks" with all the pumps, solenoids, heaters, etc, and those of us running any other fuel cannot add something simple like a fuel surge tank!



Chris
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phlat65
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Re: VW MK4 TDI build
January 04, 2012 12:44PM
that's what I was thinking. It is still a combustable fuel
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Re: VW MK4 TDI build
January 04, 2012 02:00PM
Quote
phlat65
that's what I was thinking. It is still a combustable fuel under some extremely theoretical circumstances and extreme purity

Why take chances with Civilisation As We Know It?



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Doivi Clarkinen
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Re: VW MK4 TDI build
January 04, 2012 04:20PM
Quote
Do It Sidewayz
I find it amazing that you can house 2 "homemade tanks" with all the pumps, solenoids, heaters, etc, and those of us running any other fuel cannot add something simple like a fuel surge tank!

And yet you're not allowed to have windshield washer fluid in the cabin...
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Greasecar
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Re: VW MK4 TDI build
January 04, 2012 05:52PM
Quote
Doivi Clarkinen
Quote
Do It Sidewayz
I find it amazing that you can house 2 "homemade tanks" with all the pumps, solenoids, heaters, etc, and those of us running any other fuel cannot add something simple like a fuel surge tank!

And yet you're not allowed to have windshield washer fluid in the cabin...

Chris-

When you say "homemade tanks" you are not taking into account that my company has manufactured thousands of fuel tanks over the last 12 years to DOT specifications for class 3 fuel storage, this was demonstrated for RA approval.

In regard to all the other fuel related items (including a windshield washer fluid tank), they are in a "Fireproof and liquid-proof case" as specified in 5.7 A of the RA rulebook. "Fuel pumps and filters shall also be isolated from the driver/co-driver by a metal bulkhead or the fuel cell case.": RA 5.7B

If you guys look up the MDS sheets for diesel, vegetable oil, gasoline and E85 I think you'll see that the flashpoints and other vapor/combustion considerations are quite different which offers good explanation as to why storage requirements would also be different.



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john vanlandingham
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Re: VW MK4 TDI build
January 04, 2012 08:55PM
Quote
Greasecar
Quote
Doivi Clarkinen
Quote
Do It Sidewayz
I find it amazing that you can house 2 "homemade tanks" with all the pumps, solenoids, heaters, etc, and those of us running any other fuel cannot add something simple like a fuel surge tank!

And yet you're not allowed to have windshield washer fluid in the cabin...

Chris-

When you say "homemade tanks" you are not taking into account that my company has manufactured thousands of fuel tanks over the last 12 years to DOT specifications for class 3 fuel storage, this was demonstrated for RA approval.

In regard to all the other fuel related items (including a windshield washer fluid tank), they are in a "Fireproof and liquid-proof case" as specified in 5.7 A of the RA rulebook. "Fuel pumps and filters shall also be isolated from the driver/co-driver by a metal bulkhead or the fuel cell case.": RA 5.7B

If you guys look up the MDS sheets for diesel, vegetable oil, gasoline and E85 I think you'll see that the flashpoints and other vapor/combustion considerations are quite different which offers good explanation as to why storage requirements would also be different.

The point we're making is no doubting the tanks and the process but the truley bizarre and capricious way in which rules are shoved down everybody's throats and we're told must have FT3 and FIA certification and bildge about "SAFETY!!!!!!!" and how somebody was DQed for washer fluid or some nonsense, and then we see evident Pfffft wave of the hand , "no problem" for something which seems perfectly nice, and well thought out and wonderfully executed---but without the all-protecting stickers..
Sorta like Jazz or RCI get passed by--because of no sticker--and guys spend 5-7 times more for a DFuel safe or ATL.
The ire and irony is not directed toward you, but at a flawed process.



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Re: VW MK4 TDI build
January 04, 2012 09:57PM
Quote
Greasecar
Quote
Doivi Clarkinen
Quote
Do It Sidewayz
I find it amazing that you can house 2 "homemade tanks" with all the pumps, solenoids, heaters, etc, and those of us running any other fuel cannot add something simple like a fuel surge tank!

And yet you're not allowed to have windshield washer fluid in the cabin...

Chris-

When you say "homemade tanks" you are not taking into account that my company has manufactured thousands of fuel tanks over the last 12 years to DOT specifications for class 3 fuel storage, this was demonstrated for RA approval..

Definately not against you.

My meaning of "homemade tanks" means that it's not coming out of ATL or Firesafe and carrying the FIA stickers, that any fuel cell we used for gasoline would need. Your set-up is certainly well executed and built.

I asked about installing a small surge tank (maybe 1-2L) made from Stainless steel, in the trunk of a sedan, with the trunk sealed off from the passanger compartment with a metal bulkhead. I was told not possible because #1 "it's an auxilary fuel tank", and #2 "it's not approved" oh and #3, "if you have a problem get a fuel cell". This was CARS, but i've read many times surge tanks are not allowed by RA. All i wanted to do was use the OEM fuel tank, untouched, and be able to use all the fuel i put in it, in an effort to not wreck my motor when we starv for fuel. Instead we are forced to hit the stages with the fuel tank practically bursting at the seams it's so full, rather than leaving with maybe half a tank.

As john said, just commenting on the fact that you can get away with it (and good for you!), with a "phfft...no problem that looks great". While the other 99.8% of the rally population needs 14 stickers, 4 tags, and 17 receipts saying everything is correct.

Your build looks great! and i can't wait to see it out there making nice black smoke!



Chris
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heymagic
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Re: VW MK4 TDI build
January 04, 2012 11:33PM
Rather than thinking rules are being shoved down anyones throats (nobody is required to rally...) or someone is getting away with something, consider that allowances are being made for an alternative fuel vehicle. This is built by a professional to a very high standard. Seems like everyone would have more to bitch about if concessions were never made.
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phlat65
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Re: VW MK4 TDI build
January 05, 2012 01:12AM
My original question was not about the fuel, or tanks, but the hot coolant running to the tank to heat the vegetable oil. Is there any problem with that? are the lines in the cabin? I understand the concessions for the fuel type, but heating it with coolant, if the lines run inside the cabin, that is what I was asking about.

Once again, I am not complaining, just curious.
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Re: VW MK4 TDI build
January 05, 2012 10:25AM
There is hot coolant in nearly every car out here, in the passenger compartment. I'm not familiar with the actual VW so can't comment on it specifically.
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Ascona73
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Re: VW MK4 TDI build
January 05, 2012 10:55AM
Quote
phlat65
My original question was not about the fuel, or tanks, but the hot coolant running to the tank to heat the vegetable oil. Is there any problem with that? are the lines in the cabin?

As long as they are metal-braided or inside metal tubing they should be legal inside the cabin. But running rubber heater hoses inside the cabin is not allowed (no rubber lines for fuel or oil either).



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john vanlandingham
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Re: VW MK4 TDI build
January 05, 2012 12:03PM
Quote
heymagic
There is hot coolant in nearly every car out here, in the passenger compartment. I'm not familiar with the actual VW so can't comment on it specifically.

gENE, BEFORE YOU CAME BACK THERE WAS HEATED DISCUSSION (ooops Natasha has been typing with caps Lock) about the explosive nature of coolant and washer fluid....hence all the photos I found on the Intra-webs of exploding rally cars...
Waher fluid and antifreeze is a huge risk for fire and flying chunks of iron and sheetmetal
(according to the wisdom of others)

I'm surprised you haven't been blown to bits repeatedly working on cars like you do.
I know I have been killt by anti-freeze fireballs several time.



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Ascona73
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Re: VW MK4 TDI build
January 05, 2012 12:19PM
Oh nooooo!







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john vanlandingham
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Re: VW MK4 TDI build
January 05, 2012 12:22PM
Quote
Ascona73
Oh nooooo!



EXACTLY!!! Only glycol or washer fluid is even more dangerous---according to ex-spurts on the web.



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