The Triumph Dolomite Club - Discussion Forum

The Number One Club for owners of Triumph's range of small saloons from the 1960s and 1970s.
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 Post subject: Manifold studs
PostPosted: Mon Dec 03, 2018 3:48 pm 
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Joined: Wed Jul 11, 2018 1:07 pm
Posts: 8
Many thanks for previous advice.I am about to replace the SU HS4 twin carbs on my 1977 1500HL,having fixed a leaking float bowl seal.On the June-July Dolly Mixture mag,there was an article on carbs by Graham Webber,where he replaced the carb to manifold bolts by studs in the manifold on his 1500 TC,making it easier to refit the twin carbs.Has anyone else used these studs,and if so,what size/part number are these studs,and where are they available?Any advice much appreciated.Joe.


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 Post subject: Okay........
PostPosted: Thu Dec 06, 2018 11:33 am 
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Joined: Thu Aug 09, 2007 12:22 pm
Posts: 6333
Location: Caithness, Scotland
I don't know anything of the OHV models but a do have a parts book and can decipher the part numbers.
HB860 is the part number of the bolts.


HB is a hexagon head bolt and 8is UNC and 60 is 5/16" x 1.25" long.


What you need is a 5/16"UNC to 5/16"UNF stud.
I have (many years ago) purchased said via ebay, eg....
https://www.ebay.co.uk/itm/MANIFOLD-STU ... :rk:5:pf:0




Ian.

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 Post subject: Re: Manifold studs
PostPosted: Fri Dec 07, 2018 11:02 am 
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If you enter "Imperial Exhaust Manifold Studs" on ebay, lots of sizes are offered . Also MGB flange studs may do the trick.
Graham


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 Post subject: Re: Manifold studs
PostPosted: Sat Dec 08, 2018 1:07 pm 
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Thanks for your time and helpful information.Following that info,I have ordered these studs.Thanks again.Joe.


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