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 Vacuum Hose Sizes?
#1077303
03/20/15 03:47 PM
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Joined: Jan 2005
Posts: 899
OP
Rock Warrior
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I want to replace all of my vacuum hoses with thick wall silicone, but I'm not sure what size(s) I'd need. 3.5mm?
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Re: Vacuum Hose Sizes?
[Re: Fujisawa_Rob]
#1077304
03/20/15 07:35 PM
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Joined: May 2006
Posts: 524
Rock Warrior
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I'd like to know as well. Does one size fit all?
89 3L V6 5spd SWB, Aisin Manual Hubs, 2 (suspension) seater Raider in Wheeler, OR
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Re: Vacuum Hose Sizes?
[Re: Fujisawa_Rob]
#1077305
03/21/15 04:14 AM
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Joined: Mar 2013
Posts: 51
Getting the Wheeling Fever
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I just bought some from HPSI Motorsports, they are in Oklahoma so I'm partial to them, I wanted 3.5mm but went with what they had which was 3mm. It works fine. I wanted to replace all my vacuum hose so I went ahead and bought 6mm, 8mm, & 10mm. That covers PCV, Evap, brake booster and most anything else that I could measure. This is on my 98 Montero so YMMV.
1998 Montero (CW Pack)
1979 Chevy LUV 4x4
2000 GMC 2500 4X4
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Re: Vacuum Hose Sizes?
[Re: Czd3my]
#1077306
03/21/15 04:18 AM
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Joined: Jan 2005
Posts: 899
OP
Rock Warrior
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I just bought some from HPSI Motorsports, they are in Oklahoma so I'm partial to them, I wanted 3.5mm but went with what they had which was 3mm. It works fine. I wanted to replace all my vacuum hose so I went ahead and bought 6mm, 8mm, & 10mm. That covers PCV, Evap, brake booster and most anything else that I could measure. This is on my 98 Montero so YMMV. How much of each did you order?
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Re: Vacuum Hose Sizes?
[Re: Fujisawa_Rob]
#1077307
03/21/15 04:31 AM
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Joined: Mar 2013
Posts: 51
Getting the Wheeling Fever
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6, 8, and 10 I bought their minimum which was 10 feet on 6 & 8 and 5 feet on the 10. This is more than enough. The 3mm I stocked up, 40 feet. I have other cars so I like having it around. I think you could get by with 15 feet of 3, 5 feet of the 10, and probably around three or four of the 6 & 8, maybe less.
1998 Montero (CW Pack)
1979 Chevy LUV 4x4
2000 GMC 2500 4X4
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Re: Vacuum Hose Sizes?
[Re: Czd3my]
#1077308
03/21/15 04:40 AM
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Joined: Jan 2005
Posts: 899
OP
Rock Warrior
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6, 8, and 10 I bought their minimum which was 10 feet on 6 & 8 and 5 feet on the 10. This is more than enough. The 3mm I stocked up, 40 feet. I have other cars so I like having it around. I think you could get by with 15 feet of 3, 5 feet of the 10, and probably around three or four of the 6 & 8, maybe less. Cool, probably going with http://www.verociousmotorsports.com, they sell it by the foot.
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Re: Vacuum Hose Sizes?
[Re: Fujisawa_Rob]
#1077309
03/21/15 10:42 PM
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Joined: Mar 2013
Posts: 51
Getting the Wheeling Fever
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I had their link saved too and went back and forth between them before I ordered. The guy in Oklahoma I had bought some Alfa Romeo parts from years ago and of course I got the hose the next day. Hope it works out for you okay. I've bought from Verocious before too and they have good hose.
1998 Montero (CW Pack)
1979 Chevy LUV 4x4
2000 GMC 2500 4X4
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Re: Vacuum Hose Sizes?
[Re: Fujisawa_Rob]
#1077310
03/24/15 05:59 AM
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Joined: Dec 2014
Posts: 26
Getting the Wheeling Fever
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I also got mine from HPSI, I picked up 70 feet of the 3mm. Why 70 feet, you ask? Because the 7 colors they offer, in 10 foot minimums ($1.20/ft), match the color coding stripes on the original hoses, if you use silver/grey for the white striped hose. I figured this would be appreciated in the future as I traced the stunning number of vacuum circuits on the 3.5, and figure Mitsu techs would figure it out pretty quick if they were ever to work on it again. I am very impressed with their hose by the way.
1995 SR, dark blue, cloth seats, flare and cladding delete, upcoming sunroof delete,10 Guage custom skid plates, ham radio
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Re: Vacuum Hose Sizes?
[Re: marksroberts61]
#1077311
03/25/15 07:06 AM
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Joined: Feb 2005
Posts: 1,511
Body Damage is Cool
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And since the typical auto parts store hasn't realized that 80% of the cars on the road today are metric and need metric hose sizes, it's good that you've found somewhere that can provide the correct hose for our vehicles.
95 Montero SR
3.8 MIVEC, Advance headers, 2 1/2" exhaust, Magnaflow muffler, OME shocks & rear springs, 2" body lift, 3" tank lift, 4.90s, TRE front locker, factory rear locker, Roger Brown Rock Sliderz, 315/75r16 (35") tires, Sport big brakes
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