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Engine basics => Engine set up tips => Topic started by: mccoy40 on September 02, 2020, 06:43:23 AM

Title: ST needle Valves - nut size?
Post by: mccoy40 on September 02, 2020, 06:43:23 AM

All,

I am not sure but I believe ST needle valves have a 6 mm nut size. I've been trying to find some 6mm open wrenches and have been having difficulty in getting a wrench that small. Any idea where I could find one?   ???

I've been using a 1/4 inch wrench but it is sloppy when it comes to tightening the nuts firmly

Thanks for your input in advance.

Title: Re: ST needle Valves - nut size?
Post by: John Leidle on September 02, 2020, 08:49:26 AM

  I remember the 1/4" wasn't right I think the next size smaller  ( American SAE) in the ignition set worked well sorry I don't know the fractional number...
   John L.

Title: Re: ST needle Valves - nut size?
Post by: Brett Buck on September 02, 2020, 09:40:04 AM

Quote from: mccoy40 on September 02, 2020, 06:43:23 AM

All,

I am not sure but I believe ST needle valves have a 6 mm nut size. I've been trying to find some 6mm open wrenches and have been having difficulty in getting a wrench that small. Any idea where I could find one?   ???

I've been using a 1/4 inch wrench but it is sloppy when it comes to tightening the nuts firmly

Thanks for your input in advance.

   A real ST collet has a 6mm hex. Some of the erzatz versions have something else.

     These wrenches are nothing special, I don't know why there would be a problem getting them almost anywhere, even Lowe's or Home Depot, but here is the same thing from Amazon:

https://www.amazon.com/DEWALT-Combination-Wrench-6-MM/dp/B01LZQ8I0B/ref=sr_1_2?dchild=1&keywords=6mm+open+end+wrench&qid=1599061173&sr=8-2

https://www.amazon.com/Craftsman-9-42863-Point-Combination-Wrench/dp/B00065T8OI/ref=sr_1_4?dchild=1&keywords=6mm+open+end+wrench+6+point&qid=1599061272&sr=8-4

https://www.amazon.com/GEARWRENCH-9106-Combination-Ratcheting-Wrench/dp/B000HBC776/ref=sr_1_6?dchild=1&keywords=6mm+open+end+wrench+6+point&qid=1599061272&sr=8-6

    I got mine at Sears when Sears still existed.

    Brett

Title: Re: ST needle Valves - nut size?
Post by: George Fruhling on September 03, 2020, 12:06:49 AM

Next size down from 1/4" should be 3/16"

Title: Re: ST needle Valves - nut size?
Post by: mccoy40 on September 03, 2020, 06:00:00 AM

Thanks All,

I guess it is just my area then, I tried Lowes and harbour frieght  as well as AutoZone, they didn't have them.  ~^  I knew someone out here would have come across this before and would have the link to a 6mm wrench. I will order them from the links provided.


Thanks again,
Mccoy40

 H^^

Title: Re: ST needle Valves - nut size?
Post by: Peter in Fairfax, VA on September 03, 2020, 07:53:09 AM

A set of Craftsman ignition wrenches work really great on any NVA.  The size you want is 15/64", the next size down.  I'd also advise a set of small deep wells.  Walmart has an awesome 1/4" drive set that has both SAE and Metric.

https://www.ebay.com/i/303653076154?rt=nc&_trkparms=aid%3D1110006%26algo%3DHOMESPLICE.SIM%26ao%3D2%26asc%3D20160908110712%26meid%3D9aa47a830c694532bb9ed8de3798a197%26pid%3D100677%26rk%3D12%26rkt%3D30%26mehot%3Dnone%26sd%3D383554959569%26itm%3D303653076154%26pmt%3D0%26noa%3D1%26pg%3D2386202%26algv%3DDefaultOrganic%26brand%3DCraftsman (https://www.ebay.com/i/303653076154?rt=nc&_trkparms=aid%3D1110006%26algo%3DHOMESPLICE.SIM%26ao%3D2%26asc%3D20160908110712%26meid%3D9aa47a830c694532bb9ed8de3798a197%26pid%3D100677%26rk%3D12%26rkt%3D30%26mehot%3Dnone%26sd%3D383554959569%26itm%3D303653076154%26pmt%3D0%26noa%3D1%26pg%3D2386202%26algv%3DDefaultOrganic%26brand%3DCraftsman)

Title: Re: ST needle Valves - nut size?
Post by: Peter in Fairfax, VA on September 03, 2020, 07:58:14 AM

My deep well set, which I have much enjoyed, is shown below.  I've got a set of Snap-On sockets too, which are pricey but actually do not fit as well.

https://www.walmart.com/ip/HYPER-TOUGH-24-PIECE-1-4-INCH-DRIVE-DEEP-WELL-SOCKET-SET-WITH-STORAGE-RACK/473118986?nd_en=false (https://www.walmart.com/ip/HYPER-TOUGH-24-PIECE-1-4-INCH-DRIVE-DEEP-WELL-SOCKET-SET-WITH-STORAGE-RACK/473118986?nd_en=false)