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Old 08-21-2012, 10:11 AM   #1
liljonny
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Default carb stud size

I am slowly purchasing my fenton 2x1 set up and was wondering what the size is. Thread size and length. The intake is for a 58 235. And can I get these studs @ any parts store? Thanks
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Old 08-21-2012, 10:16 AM   #2
1971BB427
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Default Re: carb stud size

Carb studs are usually double ended and each end is a different thread. Mostly 5/16" with NC on the manifold end, and NF on the carb side.
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Old 08-21-2012, 10:19 AM   #3
liljonny
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Default Re: carb stud size

Now NF is that fine thread and NC coarse? I'm not too keen on abbreviations.(notice)
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Old 08-21-2012, 10:23 AM   #4
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Default Re: carb stud size

Yes
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Old 08-21-2012, 10:28 AM   #5
liljonny
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Default Re: carb stud size

Any 1 got input on stud lengths now? Ill go buy these little bastards 2day after work!
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Old 08-21-2012, 10:34 AM   #6
squirrel
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Default Re: carb stud size

235 uses 3/8" carb studs. I don't know what thread the intake you have uses, you probably need to try a coarse thread and see if it screws in (by hand!)

Stock ones use a fine thread for the nuts that hold the carb on. Like he said, different threads on both ends of the stud is very common, and real parts stores sell them in the Dorman line.
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Old 08-21-2012, 10:35 AM   #7
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Default Re: carb stud size

FYI: Sometimes those stud bottom out in the intake not letting the nut push down on the carb base or the top of the studs hit upper parts of the carb. The studs may need to be trimmed and/or grindededed. TYPICALLY/COMMON
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Old 08-21-2012, 10:38 AM   #8
Gerry Moe
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Default Re: carb stud size

http://www.mcmaster.com/#standard-threaded-rods/=iy2xkr
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Old 08-21-2012, 10:39 AM   #9
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Default Re: carb stud size

I would wait until you have everything (less the studs...) before doing anything. You can check everything else to see what the thread is and jot it down.

Bob
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Old 08-21-2012, 10:42 AM   #10
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Default Re: carb stud size

Quote:
Originally Posted by Gerry Moe View Post
order from mcmaster when you can just go to the parts store and buy them? really?
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Old 08-21-2012, 10:50 AM   #11
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Default Re: carb stud size

Quote:
Originally Posted by squirrel View Post
order from mcmaster when you can just go to the parts store and buy them? really?
Chill abit it was just a site to help him get an idea of sizes and availability, he seemed to be not up on sizes and types.
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Old 08-21-2012, 10:52 AM   #12
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Default Re: carb stud size

Sounds good guys. Haven't ordered from mcmaster in yrs but will do. Parts store? Sorry for being a ree. That link is good info.
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Old 08-21-2012, 10:58 AM   #13
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Default Re: carb stud size

I'm up to sizes . I'm an electrician and hang shit all day with all different bolt sizes and thread counts. Thanks gerry moe. Just thought expert advice from guys that have been there would help.
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Old 08-21-2012, 12:08 PM   #14
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Default Re: carb stud size

I run over to any local auto part & they'll have them in the chrome engine dress-up section
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Old 08-21-2012, 12:19 PM   #15
liljonny
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Default Re: carb stud size

I could check that out or like Squirrel suggested with the Dorman parts.
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Old 08-21-2012, 12:41 PM   #16
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Default Re: carb stud size

I use mcmaster quite a bit, but I shop local first....I'm impatient. McM has a bazillion neat things.
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Old 08-21-2012, 12:53 PM   #17
liljonny
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Default Re: carb stud size

The catalog is beyond ridiculous! 15yrs ago when I worked in a machine shop I had them on speed dial and they knew me by name!
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Old 08-21-2012, 06:56 PM   #18
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Default Re: carb stud size

A REAL hardware store will have bins of hardware,.... Once you know the sizes,....they'll gladly help you find the correct items. And you don't have to buy a whole package, either.

4TTRUK
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Old 08-21-2012, 07:23 PM   #19
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Default Re: carb stud size

We are fortunate to have one here in Atwater (of all places!) BUT...last 2 times I was in the bolt bin, the stock was quite low...the hired help said they weren't re-ordering anything lately. I am nervous...
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Old 08-21-2012, 07:26 PM   #20
liljonny
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Default Re: carb stud size

When I get the manifold I'm just gonna have 2 go into wherever with that sucka in my hands and just get down! Thanks guys for all the input!
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