What type of nut holds the "C" mouldings on RR hoo

Technical Question and Answer - On topic to 71-74 Plymouth B-bodies only.

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general
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What type of nut holds the "C" mouldings on RR hoo

Post by general » Sun Feb 11, 2007 9:46 pm

Is it by any chance those nuts that have a washer shaped more of less like a bell. If it is those is there a source for them. If not, can someone post what is needed.

thanks Norm

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Post by Eric » Sun Feb 11, 2007 10:11 pm

They take both the bell nuts as well as a smaller nut with a captive washer. I believe R/T Specialties carries both. I'll warn you the bell nuts will be EXPENSIVE!
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Post by general » Sun Feb 11, 2007 10:16 pm

Eric, what do you mean take both. There are 10 studs I believe, 5 on each side. Can you tell me how much and where they go from memory.

Norm

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Post by Eric » Sun Feb 11, 2007 10:48 pm

Unfortunately I can't remember....maybe someone else will chime in....Mark should know, he has taken so many of these cars apart!

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Re: What type of nut holds the "C" mouldings on RR

Post by 72Rdrnner » Sun Feb 11, 2007 10:57 pm

general wrote:Is it by any chance those nuts that have a washer shaped more of less like a bell. If it is those is there a source for them. If not, can someone post what is needed.

thanks Norm
Think I can help here as I spent a lot of time on mine due to two studs being broken off and one of the cups rusted into oblivion.

There are four total of the cups (I call them “thimbles” which they resemble) which are on the ends of the hood callouts and three just plain nuts with captive washers in the middle. They are all 10-24 threads. The studs that screw into the hood callouts can be gotten from RT, or you can make them like I did. Got those barrel shaped brass things from Home Depot that are designed to screw into wood and have 10-24 threads on the inside. Then just cut 10-24 rod to the right length and PRESTO! You have to be VERY careful though as when you screw the brass into the hood callouts you can crack them if you don't drill the right size hole. If you do it yourself, drill the hole too big and put a dab of JB weld on the barrel exterior threads. It will lock them in tight!

One of the problems is they trap water and hence rust out. One of mine had completely rusted out the other three were usable. So I had my brother machine nifty replacements out of aluminum in such a way that any water that gets in, just runs out. Work like a charm, although I don't plan on driving the car in the rain.

Here's a pix of original ones in various states from usable to unusable along with the ones I had machined.

Obviously if your building a show car where authenticity is required, the machined ones aren't going to work. But mine is a Sonic Drive In cruiser so I don't really care.


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Last edited by 72Rdrnner on Wed Feb 14, 2007 9:37 pm, edited 3 times in total.
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Post by 71440 gtx » Sun Feb 11, 2007 11:02 pm

woooooooow nice 72 rrgtx :beer:
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Post by 72Rdrnner » Mon Feb 12, 2007 7:37 am

Eric wrote:They take both the bell nuts as well as a smaller nut with a captive washer. I believe R/T Specialties carries both. I'll warn you the bell nuts will be EXPENSIVE!
Roger that...

Saw a complete set of all the nuts, studs and thimble nuts on Ebay for over 200 bucks! Interestingly enough the thimble nuts were not fluted like mine, yet he claimed they were 100% correct & original. Hmmmm, I thought as I KNEW mine were original as I bought the car new and they had never been removed before I started the restoration.

Turns out we were both right as apparently Ma Mopar using different vendors got more than one design. Mine were fluted or had petals while others were round and smooth.

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Post by xray » Wed Feb 14, 2007 5:25 pm

I got a complete set of studs, nuts and bell nuts for my air grabber I think I paid 125.00. I remember when i emailed the seller he was selling sets for the callouts also. Unfortunatly I can not find his info. if I do I will post it. I havent seen them for awhile on ebay.

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Post by Eric » Wed Feb 14, 2007 7:44 pm

I'd guess Allen over at Wilson Productions would have them too. He may have the correct studs also. The ones R/T carries have to be cut down to give the correct appearance

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Post by general » Wed Feb 14, 2007 9:15 pm

Does Wilson Productions have a website??? or Phone #

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Post by 72Rdrnner » Wed Feb 14, 2007 9:27 pm

xray wrote:I got a complete set of studs, nuts and bell nuts for my air grabber I think I paid 125.00. I remember when i emailed the seller he was selling sets for the callouts also. Unfortunatly I can not find his info. if I do I will post it. I havent seen them for awhile on ebay.
Sounds like the attaching hardware for an air grabber is the same as for the hood callouts. Interesting.

I found a set of "horseshoes" as I call them on eBay for some outrageous amount and the end of one was broken off to boot. Thankfully I didn't need any! They, like the '72 grille are bringing big bucks! (I didn't need one of them either!)
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