Correct Jack, yes, no, maybe??

[John H.]

Re: Correct Jack, yes, no, maybe??

I did not purchase it, but it came with the car and that is why I assumed it was original.

The judge read the manual to me stating that it should have flat unreinforced lifting arms and that my jack did not and thus, it must be a reproduction.

Chris -

Judging error - that jack clearly has "flat unreinforced lifting arms" and is correct for your car.

[Terry M.]

Re: Correct Jack, yes, no, maybe??

I had my 66 427 car judged last week at a regional event and i was informed that my Jack was not original. I'm fairly certain that it is, so i thought i would get the boards opinions.

Thanks for the opinions and help!

I must have missed that secret regional. Would you like to share with those of us who missed it where it was?

[Joe R.]

Re: Correct Jack, yes, no, maybe??

That jack is certainly a Type III jack made for late 65 thru 67 Corvettes.
Looks like the judging manual could be wrong!!!! Oh no, a judging manual that is wrong! Stop the presses!

Looks like somebody thru the years has used the word (reinforcement) to describe the wrong part of the jack. The long flat lifting arms (scissors) if you will are never reinforced on Type I thru Type III. What is reinforced is the pivot arms as they leave the stamped "U" on each end where the screw goes thru. On Type I jacks this area was not reinforced by stamping and bent under the strain of lifting especially at a slight angle.

On Type II & III jacks the manufacturer stamped that reinforcement into that area of the jack to increase it's usefullness and durability.

Christopher can rest easy as his Type III jack is at home in his 66 Corvette.

Someone needs to make note that the judging manual needs to clarify where the reinforcement is located on Type II and Type III jacks.

I had to read this thread several times to get a sense of Who owned What jack. It rambles from Christopher's stock 66 jack to a jack that should have never seen a Corvette.

JR

[Christopher A.]

Re: Correct Jack, yes, no, maybe??

Sorry, it was the Carolinas Chapter meet in West Jefferson, NC. Nice people and a good time. I just wanted to double check on my jack since i took a deduction and thought it might not be correct after the judging event.
Thanks again for all the info everyone!

[Jerry L.]

Re: Correct Jack, yes, no, maybe??

Jerry,
GM # 3958710 is the part number for a 1969 jack (replacement for earlier models) as shown in my 1969 Corvette Parts Catalog (Oct. 1969) in Gr. 8.820. Since your jack has a tag with the GM part number it probably was sold over the counter. It is dated either April 1969 or April 1979 ("9D"). GM # 3958710 is also listed in my 1982 Corvette Parts Catalog (Nov. 1981) for 53-82 Corvettes (replacement for 53-61, 62, and 63-68 Corvettes).

Dave

David,



Thanks,

Jerry

[Jerry L.]

Re: Correct Jack, yes, no, maybe??

That jack is certainly a Type III jack made for late 65 thru 67 Corvettes.
Looks like the judging manual could be wrong!!!! Oh no, a judging manual that is wrong! Stop the presses!

Looks like somebody thru the years has used the word (reinforcement) to describe the wrong part of the jack. The long flat lifting arms (scissors) if you will are never reinforced on Type I thru Type III. What is reinforced is the pivot arms as they leave the stamped "U" on each end where the screw goes thru. On Type I jacks this area was not reinforced by stamping and bent under the strain of lifting especially at a slight angle.

On Type II & III jacks the manufacturer stamped that reinforcement into that area of the jack to increase it's usefullness and durability.

Christopher can rest easy as his Type III jack is at home in his 66 Corvette.

Someone needs to make note that the judging manual needs to clarify where the reinforcement is located on Type II and Type III jacks.

I had to read this thread several times to get a sense of Who owned What jack. It rambles from Christopher's stock 66 jack to a jack that should have never seen a Corvette.

JR

Joe Ray,

I am still curious as to the Jack that is in my 66. I assume your reference was regarding the jack I submitted photos of, as the jack that was not meant to be used in any Corvette. Based on the post sent by David I believe it was an over the counter replacement for my 66 and was a Corvette production jack for later models of Corvettes. Let me know your thoughts on this jack.

Thanks,

Jerry

[Tom H.]

Re: Correct Jack, yes, no, maybe??

Joe Ray,

I am still curious as to the Jack that is in my 66. I assume your reference was regarding the jack I submitted photos of, as the jack that was not meant to be used in any Corvette. Based on the post sent by David I believe it was an over the counter replacement for my 66 and was a Corvette production jack for later models of Corvettes. Let me know your thoughts on this jack.

Thanks,

Jerry

Hi Jerry !

As I mentioned in post four, yours is not a 66 jack. Most likely a over the counter replacement.

[David L.]

Re: Correct Jack, yes, no, maybe??

David,

After reading the various posts on this matter I can see where Joe Ray needed to sort through the posts to figure what jack was what and being referred to in the post. Sorry to have added to the confusion and or hijacking the original post. Based on your information and a search of the archives, included picture comparisons, I believe my jack is an April 1969 Corvette jack as I purchased the car in 77. Having said that one never knows if some shop working on the car may have made a switch although I do not believe that happened. The fact the GM sticker is on the jack I would guess the original jack was removed from the car for reasons unknown, lost, stolen, switched and replaced with the over the counter jack as you state. I would like to know why Joe Ray believes that this jack was never intended for a Corvette base on your information from the part #. I’ll see if he will respond based on this information.

Thanks,

Jerry

Jerry,

Your "9D" (April 1969) jack is a 1969 Corvette jack. If you took off the GM part number tag I believe that it would be identical to a factory installed "9D" jack. I believe there was only one vendor that made 1969 Corvette jacks. If anyone has a 1969 Corvette jack made by a different vendor I certainly would like to see a photo of it.

There was only one vendor that made 1963-1968 Corvette jacks, AUSCO (with large "A" stamping).

There were two vendors that made 1960-1969 Corvair jacks, AUSCO and RH INC. I have several Corvair jacks.

Below is a link to a "9M" Corvette jack currently on Ebay.

Dave

http://cgi.ebay.com/ebaymotors/69-1970-CORVETTE-ORIGINAL-JACK-DATED-9-M-69-75-JACK-/400172280024?pt=Motors_Car_Truck_Parts_Accessories&hash=item5d2c2068d8

[Joe R.]

Re: Correct Jack, yes, no, maybe??

Joe Ray,

I am still curious as to the Jack that is in my 66. I assume your reference was regarding the jack I submitted photos of, as the jack that was not meant to be used in any Corvette. Based on the post sent by David I believe it was an over the counter replacement for my 66 and was a Corvette production jack for later models of Corvettes. Let me know your thoughts on this jack.

Thanks,

Jerry

Jerry,

I'm sorry but I have no knowledge whatsoever on any other jacks than the C-2's.
It very well could be an over the counter jack or even be an original jack for a later model Corvette. I should have added that it should have never seen a 66 Corvette.
Maybe some team leader of the later models will speak up and help you in your quest to find information on that jack.

JR