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US Spec 1275 (1974) gulp valve to smog pump hose source needed

Posted by Sheldon S.

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US Spec 1275 (1974) gulp valve to smog pump hose source needed #1
Sheldon S. Boston, USA	Posted: September 12, 2012 09:51AM Registered: 8 months ago Posts: 5

Hello. I know a bit of standard hose will work, but I'm looking to avoid the cable ties needed to get the routing correct (and to avoid rubbing on the bonnet). I cant find a source for the original formed hose anywhere. Any ideas? Thanks!

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Re: US Spec 1275 (1974) gulp valve to smog pump hose source needed #2
AmishIndy Seth Jones Wheaton, IL, USA 1971 MG Midget MkIII "Guenevire" 2007 Mazda 3 "Porco Rosso"	Posted: September 12, 2012 05:47PM Registered: 2 years ago Posts: 3,083

Thats part number 12G 1648 (do a google search for 12G1648 and you get a ton of links to Lexpark printer parts). As you've already discovered, its not easy to come by new. One sollution is simply hunt down a used hose. Thats what I did when I was restoring the emissions system. Mine doesnt have any sines of dry rot or cracking, maybe I got lucky. Another solution is a Gates Unicoil, http://www.gates.com/brochure.cfm?brochure=4961&location_id=541

I dont know of any method to shape your own hoses. Also you better have the air restrictor in there, otherwise it wont work right.

http://www.spridgetguru.com/TA0068.html

Seth Jones

1971 MG Midget

www.SpridgetGuru.com

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Re: US Spec 1275 (1974) gulp valve to smog pump hose source needed #3
trevorwj Trevor Jessie Louisville KY, USA	Posted: September 13, 2012 10:32AM Registered: 5 years ago Posts: 2,291

I have a used one, that I'll sell for a reasonable price. If you are interested, then send me a PM.

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Re: US Spec 1275 (1974) gulp valve to smog pump hose source needed #4
Sheldon S. Boston, USA	Posted: September 13, 2012 11:42AM Registered: 8 months ago Posts: 5

Thanks so much Seth! You're right... From the part number you gave, I didn't get a single hit for an NOS part available but I did find some fantastic BL part number diagrams for the 1275 motor... on your SpridgetGuru site. That'll come in handy!

Thanks for the note Trevor; I'll PM you right now. To anyone who reads this thread down the line... I'd still be interested in an NOS hose.

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Re: US Spec 1275 (1974) gulp valve to smog pump hose source needed #5
mjamgb michael anderson NORTHERN NEVADA, USA 1954 MG Magnette ZA 1967 MG MGB 1973 MG MGB 1974 MG Midget	Posted: September 13, 2012 03:52PM Registered: 4 years ago Posts: 6,395

Whenever I've needed an odd-ball molded hose, I trip on down to my local NAPA at an off-hour (like 10am or 3pm) and have a gander at the plethora of molded hoses they have in stock.

Typically I can purchase one or two and "cut-n-paste" up a hose to work. Using copper tubing or steel electrical conduit makes for a relatively clean splice.

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Re: US Spec 1275 (1974) gulp valve to smog pump hose source needed #6
Sheldon S. Boston, USA	Posted: September 13, 2012 04:03PM Registered: 8 months ago Posts: 5

Tricky & crafty... Thanks Michael!

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Re: US Spec 1275 (1974) gulp valve to smog pump hose source needed #7
mjamgb michael anderson NORTHERN NEVADA, USA 1954 MG Magnette ZA 1967 MG MGB 1973 MG MGB 1974 MG Midget	Posted: September 13, 2012 04:41PM Registered: 4 years ago Posts: 6,395

To be uber-crafty you can bond the pieces together with adhesive with the chunk of pipe on the inside... no give-away the secret clamps!

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