67 Auto Transmission to Carb Linkage

[Kirk M.]

Been through this once before but just want to see what the consensus is now. I have a 327/300 automatic car. Can everyone look at UPC M35 A9 of the AIM. If I am reading correctly, my auto car should just have the two lime-green (yellowish) springs shown in this picture and not the standard black spring that runs from the carb linkage to the front of the engine. Is that correct?


Kirk

[Kirk M.]

Re: 67 Auto Transmission to Carb Linkage

This is kinda like last time. No one seems to have an opinion or know exactly what the set-up on an automatic car should look like. Anyone?


Kirk

[Michael H.]

Re: 67 Auto Transmission to Carb Linkage

This is kinda like last time. No one seems to have an opinion or know exactly what the set-up on an automatic car should look like. Anyone?


Kirk

I thought the green springs were only for the PowerGlide linkage but the throttle still used the same black return spring?
This would be the new safety linkage system for the 67 model.

Can you scan/post the AIM page for the PG linkage springs?

[William C.]

Re: 67 Auto Transmission to Carb Linkage

Been through this once before but just want to see what the consensus is now. I have a 327/300 automatic car. Can everyone look at UPC M35 A9 of the AIM. If I am reading correctly, my auto car should just have the two lime-green (yellowish) springs shown in this picture and not the standard black spring that runs from the carb linkage to the front of the engine. Is that correct?


Kirk

Kirk,
I agree with your concenses. However, I'm not familiar with M35's, but that is what the AIM shows. LI, Paragon & GM Parts shows the same.
Bill

[Kirk M.]

Re: 67 Auto Transmission to Carb Linkage

I will scan and post tomorrow at work.

Kirk

[Michael H.]

Re: 67 Auto Transmission to Carb Linkage

I will scan and post tomorrow at work.

Kirk

Thanks kirk. I don't remember exactly how the throttle return spring changed for 67. It was the first year for the new safety throttle/T.V. linkage that eliminated the possibility of the throttle sticking open if the linkage at the transmission was held open for some reason. (snow/ice or ?)

I think there was a rubber shield that may have been added in 67 to prevent this also but I don't remember if it was in production or a dealer installed campaign item.

[Kirk M.]

Re: 67 Auto Transmission to Carb Linkage

Here are the scans of the two relevant pages from what I can see. Notice on the G367 page that "C" enlarge view shows the production rod going through the throttle linkage at the carb and using a cotter pin. The enlarged C view does not show a front spring, but definitely shows the two yellow-green springs hooked up as I have them. Although it is hard to envision, the springs do work in opposite directions.

In the second image, G368, you can again see the carb linkage and the two rear-facing yellow-green springs but no suggestion of the black front spring. Is there something inferred that this spring isn't shown to be deleted so hence it is still there?

What do you think.

Kirk

[Michael H.]

Re: 67 Auto Transmission to Carb Linkage

Here are the scans of the two relevant pages from what I can see.
What do you think.

Kirk

It looks like the two identical springs (#14) are all that's required. One is the carburetor return spring and the other is the transmission TV rod return spring.

[Terry M.]

Re: 67 Auto Transmission to Carb Linkage

I think there was a rubber shield that may have been added in 67 to prevent this also but I don't remember if it was in production or a dealer installed campaign item.

I recall a campaign to add the rubber shield to Chevelles, but I was too poor to play with Corvettes back then.

[Kirk M.]

Re: 67 Auto Transmission to Carb Linkage

It looks like the two identical springs (#14) are all that's required. One is the carburetor return spring and the other is the transmission TV rod return spring.

That's how I see it. I just worry that this is meant to be in addition to the black spring since it is an option feature and for some reason they just aren't showing. I have driven my car without the black spring and it seemed to work fine, although it seems to "return" more crisply when the black spring is also installed.

Having said all of that, should I now omit the black spring when I get the car judged the next time?

Kirk