C2 engine mount "split lock hex nut"?

[Ray G.]

Hello experienced ones;
Are the "split lock hex nuts" refered to in the JM a Marsden Nut.('67 page 95)
Have what I think are the original 7/16 fine slotted (less than the width of a hack saw blade) 5/8 wrench nuts.
Have also found a supplier for these nuts.
Believe this applys to C1 at least through C3.
Thank you for all your help.
Ray
P.S. Hope my occasionally answering questions on the discussion board is OK. Don't want to inject my thought if not welcome or if anyone thinks it's not wanted.

[Mike E.]

Re: C2 engine mount "split lock hex nut"?

Ray--
C1's did not use a Marsden nut (or "split lock hex nut") for motor mount nuts. What you are referring to would have to be post-62.

[Ray G.]

Re: Thank You Mike Ernst( "split lock hex nut"?) *NM*

[Stephen L.]

Re: C2 engine mount "split lock hex nut"?

ALL contributions are welcome!!!!!!

[Mark S. Lovejoy]

Re: C2 engine mount "split lock hex nut"?

Did all C2's use the Marsden type lock nut or were other locking type nuts used as well?

I have what I believe are original motor mount fasteners and while the nuts are locking type, they are not the split or Marsden type. The JG states split nuts, but I wonder if more than one type were installed.

Thanks,

Mark

[Ray G.]

Re: C2 engine mount "split lock hex nut"?

Hello Mark;
Great picture.
Well, we all know the General was just putting cars together.
Hope we get more opinions and possible answers.
Thanks, Ray

[Mark S. Lovejoy]

Re: C2 engine mount "split lock hex nut"?

Hi Ray,

Don't be shy about posting information, if you know the answer to someone's question, by all means toss it out there.

Hopefully someone with more experience than I will chime in regarding this issue.

In the mean time, maybe you could tell us where you found these 'Marsden' nuts. I may need some!

Best Regards,

Mark

[Ray G.]

Re: "split lock hex nut"? supplier-Mark.

Hello Mark;

"Ralph Roberts Classic Chevy" out of the Northwest.

They are on the web with that name.

Shouldn't admit this here, but we are also a '55 Nomad enthusiasts.

I Know, less time to work on my Corvette, but confession is good for the soul.

I'm on a business trip now, but I think the picture you posted looks like the through bolts from LI Corvette.

Thanks for the help, Ray

[Philip C.]

Fine slotted nuts for mid years

The split nuts you refered to are correct for the mid years. The wrench size for the bolt is 5/8 the nut is 11/16. Phil 8063