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Twin gas lines 

 

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 Post subject: Twin gas lines
Posted: Thu May 19, 2011 11:37 am 
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Any gas gurus out there know if I can do anything to this tank to fit twin lines?


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 Post subject: Re: Twin gas lines
Posted: Thu May 19, 2011 12:00 pm 
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Multivalve... I dont think you can. However E Series Tanks are a dime a dozen - you should be able to get an APA which you can dual line easy enough. $100 even for inspected ones on ebay

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 Post subject: Re: Twin gas lines
Posted: Thu May 19, 2011 4:54 pm 
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Why do you need twin lines?

 

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 Post subject: Re: Twin gas lines
Posted: Fri May 20, 2011 9:44 am 
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Goin turbo so probably need more gas than one line can supply

 

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 Post subject: Re: Twin gas lines
Posted: Fri May 20, 2011 11:54 am 
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the shut off valves will be more of a problem.

 

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 Post subject: Re: Twin gas lines
Posted: Fri May 20, 2011 11:57 am 
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tickford_6 wrote:
the shut off valves will be more of a problem.


Big restriction? Whats the way around that? I think i might be up for a different tank if I wanna go gas

 

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 Post subject: Re: Twin gas lines
Posted: Fri May 20, 2011 12:16 pm 
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you can get decent lock offs, thats not a problem.
how much power are you looking at going?

i've only got a single 3/8 flex line on mine and have 225rwkw.

 

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 Post subject: Re: Twin gas lines
Posted: Fri May 20, 2011 12:48 pm 
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Will be looking at around 250rwkw hopefully if it can be done. Maybe more but much later on.
Got a GRA kit and will get a second converter.
Would a single line t-pieced to twin (like yours EFFalcon) do enough for that and leave any room?
Or is twin outlets the only way. My bets on the latter

 

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 Post subject: Re: Twin gas lines
Posted: Fri May 20, 2011 8:31 pm 
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I've never pushed mine past 225, so i don't know how much headroom i've got.
Mines a single flex line, T-Piece in the engine bay, into 2 lockoffs and 2 converters.

theres a couple of guys on Xfalcon that are pretty cluey with LPG, so i'd go do some searching there.

 

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 Post subject: Re: Twin gas lines
Posted: Fri May 20, 2011 9:55 pm 
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We just re dyno'd the 383 on show us your injection today 256 rear wheel kw's at 6000rpm on a single 5/16 service line and standard lock offs. Impco vacuum lock offs do flow more than electric ones. But you will still be restricted by the one at the tank. Apa will build dual outlet tanks upon request but do not know how much. Most multi valve conversion [that's what you have] only use 1/4 service line. The multi valve should not restrict it any more than a single valve would [lock off orifice is still the same] The 383 does start to lean out over 6300RPM but that could be the injectors, no need to go there so just rev limited it to 6200. All you may have to have done is a bigger service line. Regards TPVM.

 

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 Post subject: Re: Twin gas lines
Posted: Fri May 20, 2011 10:12 pm 
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Hi had a another look at your tank yes you do have 1/4 service line. Regards TPVM.

 

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 Post subject: Re: Twin gas lines
Posted: Tue May 24, 2011 3:28 pm 
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Im guessing ill have to do some upgrades if i want to chase any higher sort of power.
Ill do a bit more research.
Thanks guys

 

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 Post subject: Re: Twin gas lines
Posted: Wed May 25, 2011 6:29 pm 
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A single outlet might be able to flow enough.. for now anyway :lol:
I read on xfalcon and someone reckoned a 3/8 line should be good for 260rwkw.
The Panel Van Man wrote:
We just re dyno'd the 383 on show us your injection today 256 rear wheel kw's at 6000rpm on a single 5/16 service line and standard lock offs.

And if you have done that then might be able to get away with just going good flowing lock-offs and 3/8 line.
Ive got two of the same lock-offs at the converters (ones that came with the GRA kit).
Would these be good enough? And what about the one at the tank? Better ones?

 

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 Post subject: Re: Twin gas lines
Posted: Sun Jun 05, 2011 8:10 pm 
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twin 3/8's at the least. Don't muck about with Gas. Run slightly richer. Gas isn't as forgiving, despite the higher octane which people confuse for meaning it allows more headroom. It's dryer, hotter and the extra octane quickly becomes negligible if you're running a GRA.

 

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 Post subject: Re: Twin gas lines
Posted: Sun Jun 05, 2011 8:50 pm 
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as has been said, regardless of how big the gas lines are, the lockoffs are the restriction.
220rwkw is around the safe limit of most single lock off systems.
i melted a piston on a single lockoff standard copper line system on 10psi, now have twin lockoffs and twin 8mm lines but im using an APA tank.

if you really want it to work just get an APA tank like this...
1.thread in AFL(filler)
2.gauge
3.combined outlet/pressure relief valve(duo valve)
4.standard outlet upside down.

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