 Fuel Hose, Will 5/16 work |
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| 914fun |
 May 13 2010, 07:44 PM
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#1
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Member  Group: Members Posts: 108 Joined: 22-June 08 From: Joplin MO Member No.: 9,201 Region Association: Southwest Region  |
Im needing new Fuel hose inside the engine bay. Mostly the line to the fuel rails. Will 5/16 work on everything in there. I see it is all 3/8 right now but it seems to fit loose. Thanks
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| detoxcowboy |
May 13 2010, 07:49 PM
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#2
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Senior Member Group: Members Posts: 1,294 Joined: 30-January 08 Member No.: 8,642 Region Association: Africa |
QUOTE(914fun @ May 13 2010, 06:44 PM)  Im needing new Fuel hose inside the engine bay. Mostly the line to the fuel rails. Will 5/16 work on everything in there. I see it is all 3/8 right now but it seems to fit loose. Thanks 7.5mm I.D. is what you want not 5/16 definately not 3/8.. fuel pressure rated hose only. Seriously it may not seem like much or a big deal, until your car catches fire.. I use 7mm I.D. Contitech from Pelican Parts... http://www.pelicanparts.com/cgi-bin/ksearc...-1-469-781-M149 |
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| 914fun |
May 13 2010, 08:00 PM
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#3
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Member Group: Members Posts: 108 Joined: 22-June 08 From: Joplin MO Member No.: 9,201 Region Association: Southwest Region |
Ok. Thanks. Yah the 3/8 hose is not right must have been all the previous owner could come up with. Thanks
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| EdwardBlume |
May 13 2010, 08:04 PM
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#4
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914 Wizard Group: Members Posts: 12,338 Joined: 2-January 03 From: SLO Member No.: 81 Region Association: Central California 
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QUOTE(914fun @ May 13 2010, 07:00 PM) Ok. Thanks. Yah the 3/8 hose is not right must have been all the previous owner could come up with. Thanks Shameless plug: GPR set me up nicely with fuel line including the reducer if needed... |
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| detoxcowboy |
May 13 2010, 09:19 PM
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#5
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Senior Member Group: Members Posts: 1,294 Joined: 30-January 08 Member No.: 8,642 Region Association: Africa |
QUOTE(RobW @ May 13 2010, 07:04 PM) QUOTE(914fun @ May 13 2010, 07:00 PM) Ok. Thanks. Yah the 3/8 hose is not right must have been all the previous owner could come up with. Thanks Shameless plug: GPR set me up nicely with fuel line including the reducer if needed... GPR (IMG:style_emoticons/default/agree.gif) (IMG:style_emoticons/default/cheer.gif) (IMG:style_emoticons/default/cheer.gif) (IMG:style_emoticons/default/cheer.gif) (IMG:style_emoticons/default/cheer.gif) (IMG:style_emoticons/default/cheer.gif) (IMG:style_emoticons/default/cheer.gif) (IMG:style_emoticons/default/cheer.gif) |
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| 914fun |
May 13 2010, 09:44 PM
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#6
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Member Group: Members Posts: 108 Joined: 22-June 08 From: Joplin MO Member No.: 9,201 Region Association: Southwest Region |
I probably should know what GPR stands for but I will ask anyway. Who is GPR. Thanks guys.
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| zymurgist |
May 13 2010, 09:58 PM
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#7
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"Ace" Mechanic Group: Members Posts: 7,411 Joined: 9-June 05 From: Hagerstown, MD Member No.: 4,238 Region Association: None |
Get 7mm metric hose. 5/16" is almost 8mm. It will leak.
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| markb |
May 13 2010, 10:00 PM
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#8
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914less :( Group: Members Posts: 5,449 Joined: 22-January 03 From: Nipomo, CA Member No.: 180 Region Association: Central California
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GPR is German Parts and Restoration. (IMG:style_emoticons/default/bye1.gif)
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| 914fun |
May 13 2010, 10:05 PM
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#9
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Member Group: Members Posts: 108 Joined: 22-June 08 From: Joplin MO Member No.: 9,201 Region Association: Southwest Region |
QUOTE(markb @ May 13 2010, 11:00 PM) Cool, Thanks |
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| realred914 |
May 14 2010, 07:51 AM
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#10
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Senior Member Group: Retired Members Posts: 1,086 Joined: 1-April 10 From: california Member No.: 11,541 Region Association: None |
QUOTE(914fun @ May 13 2010, 09:05 PM) QUOTE(markb @ May 13 2010, 11:00 PM) Cool, Thanks actually 5/16 inch works fine on our rides. you may want to specifcy the new hoses that is now introduced for the oxygenated and alchohol fuels mandated in many areas. these new fuels will harm most standrd fuel hoses (and other rubber bits) becuase of this a new type of hoses has been introducedsome years ago. It is the latest standrd for fuel injection motors (and is the only lawfull replacemnet hose to keep emmission legal on new cars) the new hose has a teflon like liner inside, that resists the new fuels. the hoses with the liner has an SAE rating of 30R9 (the old non-lined hoses is 30R7) the new hose will resist the corrosive effects of the new fuels and helps fight smog becuase it is over 30 times less permiable to gas fumes that teh old SAE30R7 hoses. as pointed out, you need to run the correct solid band hose clamps, no perferated clamsp as teh rubber can squeeze thru teh holes over time hence losseening the clamp i have used the 5/16 inch hose for over a decade with no failure with hose clamps. I have been unable to find the lined hose in metric but teh 5/16 inch works great. and will out last the standard hose. the linner will not dry out and get brittle and will prevent the rubber outside from getting in contact with the fuel, thus giving the hose a much much longer life, even with todays horrible fuel mixes. |
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| ChrisFoley |
May 14 2010, 08:47 AM
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#11
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I am Tangerine Racing Group: Members Posts: 7,986 Joined: 29-January 03 From: Bolton, CT Member No.: 209 Region Association: None
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QUOTE(zymurgist @ May 13 2010, 11:58 PM) Get 7mm metric hose. 5/16" is almost 8mm. It will leak. Since all the fittings really are 8mm and have barb or beaded ends it will not leak when good quality new (F.I.) 5/16" (7.9mm) hose is used. |
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| realred914 |
May 14 2010, 09:15 AM
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#12
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Senior Member Group: Retired Members Posts: 1,086 Joined: 1-April 10 From: california Member No.: 11,541 Region Association: None |
QUOTE(Racer Chris @ May 14 2010, 07:47 AM) QUOTE(zymurgist @ May 13 2010, 11:58 PM) Get 7mm metric hose. 5/16" is almost 8mm. It will leak. Since all the fittings really are 8mm and have barb or beaded ends it will not leak when good quality new (F.I.) 5/16" (7.9mm) hose is used. (IMG:style_emoticons/default/agree.gif) might as well then buy the correct hose for oxygenated fuel and get the 30R9 standard lined hose. |
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| ME733 |
May 14 2010, 03:41 PM
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#13
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Senior Member Group: Members Posts: 842 Joined: 25-June 08 From: Atlanta Ga. Member No.: 9,209 Region Association: South East States |
..........What drives me crazy with the O.E.M. fuel line hoses is the fabric outer liner... To me this is just a place for dirt, crud, OIL, and GASOLINE to accumulate/saturate.....on the way to starting a fire. I use 5/16 inch F.I. rated rubber Hose which has a smooth, easy to check and clean outer surface....mainly however for CARBURATORS.....properly making O.E.M. F.I. lines, especially to the injectors should be done by Your Porsche mechanic who has experience, and knowledge.
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