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Best vacuum line for Laust's new VM

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Old 03-27-2005, 02:21 AM
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Daddio
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Question Best vacuum line for Laust's new VM

For those who have already installed Laust's vacuum manifold, which vacuum lines are you happy with, in terms of best fit, etc.?

Sources and prices?

Any vacuum lines to avoid, with this particular application?
Old 03-27-2005, 04:32 AM
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Eyal 951
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I used the vacuum lines from MySwiss' venturi delete kit, fits real nice onto it. I'm happy with it.
NZ should be here anyminute to preach samco. Probably rightfully so.
~Eyal
Old 03-27-2005, 04:54 AM
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hosrom_951
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Lindsey Racing vacuum lines work nicely as well
Old 03-28-2005, 02:47 PM
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Daddio
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Has anybody tried the Mercedes vacuum line that Laust recommends?

How about Samco?

Any internet sources to recommend? I cannot seem to find either locally.

And, how many linear feet of this vacuum line is needed for Laust's VM application?
Old 03-28-2005, 03:15 PM
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pikey7
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I've got Lindsey ones on mine right now, but I'm about to do a total hose upgrade to samco. I'll keep people posted.

For Samco, try www.samcosport.com , and have a look in their distributor page I think there's a link there.

IIRC, Lindsey's kit is 15 feet, which is plenty for the whole engine bay
Old 03-28-2005, 11:28 PM
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ibkevin
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I went to the source, Purosil. The cost was half of anything out there but starting Mar 1 the minium order requirement went through the roof.
Old 03-28-2005, 11:56 PM
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danny951
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mmm.. someone needs to send our hard pipes/jboot and other various hoses to samco for a nice group buy.. I'm sure if we had 10-15 people signed up for the whole kit, they'd replicate the parts for us... those things look nice... (somewhat ricey, but very nice )
Old 03-29-2005, 12:32 AM
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Crazy Eddie

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I am going w/ what Laust had recommend ...The Benz stuff
I will be doing it a week or two
Regards
Ed
Old 03-29-2005, 04:25 PM
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Mike S
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I got my hose from www.hosetecniques.com. If you compare it to the stuff in Lindsey's kit its almost comical. The hose tecnique stuff is almost double the wall thickness compared to what everyone else sells.(I got the 3.5mm size)
Old 03-29-2005, 04:32 PM
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NZ951
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Good call Mike, Karl got the same hose but in 4mm IIRC. The thickness of the LR stuff is a concern.
Old 03-29-2005, 05:56 PM
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zerMATT951
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I ordered and received vacuum hose from High Temp Silicone http://www.hightempsilicone.com/. They also sell on eBay - shipping worked out to be a bit less ordering via eBay.

It arrived the other day and looks great... quality stuff. I haven't installed it yet, but Tb311 did recently and had nothing but good things to say about it: https://rennlist.com/forums/944-turbo-and-turbo-s-forum/191743-vacuum-lines-installed.html

I got 4mm and 6mm red. Should tie in nicely with my red spark plug wires
Old 03-29-2005, 06:01 PM
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RobNL
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Originally Posted by Mike S
I got my hose from www.hosetecniques.com. If you compare it to the stuff in Lindsey's kit its almost comical. The hose tecnique stuff is almost double the wall thickness compared to what everyone else sells.(I got the 3.5mm size)
How much boost are you going to run? It must be at least 8 bar or more. On the specs page of the website you mentioned http://www.hosetechniques.com/specs.html they claim a maximum pressure rate of 120 PSI for hoses with 0.065" (= 1.65 mm) thick walls. Do you mean that this isn't enough?

In that case I admit that NZ951 is right. Those hoses with 2mm walls from LR are indeed a concern. 8 bar is for woosies. You should at least run 14.7 bar.
Old 03-29-2005, 06:13 PM
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pikey7
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8 Bar boost. Nice!


(That's what, 116PSI?)
Old 03-29-2005, 06:21 PM
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Mike S
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Rob,

I think you misread my post. The Hose Tecniques stuff is the way to go. The lindsey stuff is too thin and I can make it swell pretty well by pressurizing it with 15psi. For me....well I run a conservative 120psi on street gas. :-)
Old 03-29-2005, 06:26 PM
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NZ951
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Yup I lived the dream with my LR hose failures... no such luck with the Samco hose, its working perfectly.


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