Topic: 4-speed '66--Plugging Original C4 Speedometer Hole?

[rockhouse66]

Well I'm getting lost as to the location but it sounds like if it were there, it would be seen in this picture.

[CharlesTurner]

Yep, the hole is there in your pic, the brake line is in front of the middle of it.

[rockhouse66]

Thanks Charles. So the hole in the tunnel is the 4-speed speedo cable hole and the one under the brake line was for C4/3-speed cars and should be plugged?

[CharlesTurner]

Thanks Charles. So the hole in the tunnel is the 4-speed speedo cable hole and the one under the brake line was for C4/3-speed cars and should be plugged?

Yep, that's right... at least what I have seen so far.

[midlife]

Back to the 4 speed hole in Metuchen cars...I had my Jan 6 1966 car on the lift today and examined the area in question: there definitely never was a hole for the speedo cable in that area.  My car originally (I think) came with a T-10, but now has a toploader.  I wonder...since there were two different 4 speeds in 65/66, if the hole is toploader specific or not...

[JKWilson]

I thought my Oct '65 Metuchen car (T10 4spd), only had the tunnel hole. While in the garage today I double checked. Whatta ya know? A plugged C4 hole!

[CharlesTurner]

Back to the 4 speed hole in Metuchen cars...I had my Jan 6 1966 car on the lift today and examined the area in question: there definitely never was a hole for the speedo cable in that area.  My car originally (I think) came with a T-10, but now has a toploader.  I wonder...since there were two different 4 speeds in 65/66, if the hole is toploader specific or not...

Randy:  Your car had quite a bit of rust repair didn't it?  I wonder if a previous repair to the toe-panel area on the driver side might have been done around where the hole would be?

Incidentally, the photo I posted previously was also of a Jan '66 Metuchen GT fastback originally with a 4 speed.

[JKWilson]

Incidentally, the photo I posted previously was also of a Jan '66 Metuchen GT fastback originally with a 4 speed.

Charles is that the car you had mentioned sometime back about possibly doing another resto blog on?

[CharlesTurner]

Charles is that the car you had mentioned sometime back about possibly doing another resto blog on?

Possibly, not sure!

That car is painted, awaiting assembly.  Trying to finish putting together a red '65 convertible at the present.  The '66 is next.

[midlife]

Randy:  Your car had quite a bit of rust repair didn't it?  I wonder if a previous repair to the toe-panel area on the driver side might have been done around where the hole would be?

Incidentally, the photo I posted previously was also of a Jan '66 Metuchen GT fastback originally with a 4 speed.

Isn't the 4 speed hole in the transmission hump?  That's the area I was checking.  And all of my sheet metal replacement was via patching, not full panel replacements.  The tranny hump did not need any repairs for rust.   My speedo cable did have the foam rubber insert and when I bought the car in 1998, the speedo cable came through what every one is calling the C4 hole in the firewall.

[drummingrocks]

Isn't the 4 speed hole in the transmission hump?  That's the area I was checking.  And all of my sheet metal replacement was via patching, not full panel replacements.  The tranny hump did not need any repairs for rust.   My speedo cable did have the foam rubber insert and when I bought the car in 1998, the speedo cable came through what every one is calling the C4 hole in the firewall.

Yes, it's in the transmission hump, to the right of the gas pedal.

[CharlesTurner]

Isn't the 4 speed hole in the transmission hump?  That's the area I was checking.  And all of my sheet metal replacement was via patching, not full panel replacements.  The tranny hump did not need any repairs for rust.   My speedo cable did have the foam rubber insert and when I bought the car in 1998, the speedo cable came through what every one is calling the C4 hole in the firewall.

If you look at the post made by rockhouse with the image above, you will see a brake line running vertically in front of the firewall.  Where the firewall starts to turn down, there is a hole with the brake line sitting right in front of it, that's the hole we are referring to.  Another point of orientation... there are 2 screw holes for where the front parking brake cable bracket attaches to the firewall.  The hole is right above that.

[CharlesTurner]

Pic showing hole circled in red....

[drummingrocks]

Sorry if I'm making this more confusing, but here's a shot of where the speedometer comes through on my 4-speed '66.  You can see the 4-speed cable coming through on the transmission tunnel, to the right of the gas pedal.

4-speed hole:

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This is the C4 automatic/3-speed hole:

[CharlesTurner]

Sorry if I'm making this more confusing, but here's a shot of where the speedometer comes through on my 4-speed '66.  You can see the 4-speed cable coming through on the transmission tunnel, to the right of the gas pedal.

I guess you know that cable goes behind the carpet and not through it???