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Shortmorris

Weber carb rebuild or replace?

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I looked around a few of the carb threads but didn't find anything necessarily relating to my situation.

I recently bought a 79 Datsun 620 and while it runs pretty well, from what I can tell, there are a few things I know need to be addressed. 

The first and foremost is the throttle linkage to the carburetor. It looks to be a Weber carb, but the connection to which the throttle cable connects is some Jerry rigged shenanigans. It's pieced together with some bolts, flat pieces of metal and a cotter pin that dangles over some components. It has already caught ones for me, and once for my friend that helped me buy it. When it catches it is at about 1/3 throttle and won't let go easily.

My question:

Is there a part I can replace this nonsense with or do I need to replace the whole carburetor? *I'll post pics in a few minutes when I get back to my computer*

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Looks like your picture is dead, friend.

 

You can buy throttle linkage kits on eBay and whatnot. Obviously, you'd have to make it work, but at least you'd be using components made for the purpose.

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6 hours ago, ducky said:

Looks like your picture is dead, friend.

Like you can't see the picture? I am new to this forum host and it was a bit of a pain to post a picture. It shows up for me when I open the thread...

 

 

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www.piercemanifolds.com

should carry the throttle linkage kits + many other parts.

Ive bought 2 carbs from them last year..great prices..fast shipping & great tech support.

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19 hours ago, Shortmorris said:

Like you can't see the picture? I am new to this forum host and it was a bit of a pain to post a picture. It shows up for me when I open the thread...

 

 

Correct. Looks like a broken link. I like to use imgbb for hosting. Might want to try that.

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I think I found the part/parts that I am looking for but is it a Weber thing or an original Hitachi carb thing? The part I am talking about is the 1/4 circle the end of the cable attaches to and any parts that attach it to the carb.174_500335e2a5b3e.jpg

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Hitachi had those on trucks and later Datsun cars. The 510/610/710 were linkage.. Probably from a DCH 340 Hitachi

 

174_4d9fd797a2ec8.jpg

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3/4 circle???

the Hithachi has a bar with a hole for the cable and a slot to get the cable in. to make fit a weber one has to oblong the holes so that cqble holder will fit on the weber.  What I did is that and also drilled a new cable hole so the cable goes straight into the cable puller  slot so its not at a angle.  or one can buy the weber version and it fits on the weber carb spacing and your done already

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So I haven't changed anything on the carb yet but it started idling at a high rpm. Without taking the carb of or apart it appears everything is still operating properly, the choke is open all the time though.

 

The idle speed screw is not touching the lever, and I tried turning in the idle mixture screw (less fuel?) And it continues to idle high. Is there anything else I should check before pulling things apart?

 

Not sure if it matters but a cap that was on the valve cover PCV connection feel apart right around the time I noticed, but putting my finger over it doesn't seem to change anything.

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