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-   -   47-55.1 Need inner fender attachment info (https://67-72chevytrucks.com/vboard/showthread.php?t=834379)

51 3600 05-11-2022 09:08 PM

Need inner fender attachment info
 
I had the floor and toe board on my ‘51 3600 replaced a few years ago and no longer have the three holes on each side for attaching the inner fenders to the toe board. Wondering if anyone can give me some dimensions or guides to locate those holes. Don’t trust just holding the inner fenders against the toe board without some idea of its proper location. Any help would be welcome.

mr48chev 05-11-2022 09:38 PM

Re: Need inner fender attachment info
 
Unless someone can come up with a better Idea I can run out, trace the kick boards on some stiff paper and mail the patterns to you in the morning.

I've got a 51 1-1/2 ton cab and a 49 3100 cab within real easy reach.

BRB.

mr48chev 05-11-2022 10:07 PM

Re: Need inner fender attachment info
 
2 Attachment(s)
Mine are in pretty bad shape to get accurate measurements

You might be better off to bolt the front end on, mark the holes with the inner fenders and park brake bracket and drill the holes unless someone has far better foot boards than I do.

51 3600 05-11-2022 10:23 PM

Re: Need inner fender attachment info
 
Unfortunately outer cowl sides and inner corner pieces are tacked in place waiting for front clip to be attached before permanently locating and welding in place. Also no parking brake bracket. (I’m really not intentionally trying to make this more difficult.) Template would be great if someone could do that.

joedoh 05-11-2022 10:29 PM

Re: Need inner fender attachment info
 
do you still have the ebrake bracket for the drivers side? the inner is about an inch short of the toe board without it.

51 3600 05-11-2022 10:58 PM

Re: Need inner fender attachment info
 
I’ll have to check tomorrow to see if I have that bracket. Don’t even remember what it looks like so will first have to find a pic of what I’m looking for.
I don’t understand this: “the inner is about an inch short of the toe board without it.”

joedoh 05-12-2022 02:42 PM

Re: Need inner fender attachment info
 
the inner fender does not bolt to the toe board on a 1/2 ton (and 3/4 and 1 ton). it bolts to the E brake BRACKET and that bracket bolts to the toe board. if you are missing the bracket, the inner fender will not touch the toe board. there will be a little more than an inch gap.

youngrodder 05-12-2022 03:32 PM

Re: Need inner fender attachment info
 
Quote:

Originally Posted by joedoh (Post 9078322)
the inner fender does not bolt to the toe board on a 1/2 ton (and 3/4 and 1 ton). it bolts to the E brake BRACKET and that bracket bolts to the toe board. if you are missing the bracket, the inner fender will not touch the toe board. there will be a little more than an inch gap.

I did away with extra brackets and I was still able to bolt up the stock inner fenders to the toe boards. It was not too bad. Just use long enough bolts to pull the two pieces together. Once tight you can go back thru, one by one and use shorter bolts.

Thanks
Marc

joedoh 05-12-2022 03:56 PM

Re: Need inner fender attachment info
 
Quote:

Originally Posted by youngrodder (Post 9078332)
I did away with extra brackets and I was still able to bolt up the stock inner fenders to the toe boards. It was not too bad. Just use long enough bolts to pull the two pieces together. Once tight you can go back thru, one by one and use shorter bolts.

Thanks
Marc

i wonder where the extra inch came from? stretch?

51 3600 05-12-2022 06:27 PM

Re: Need inner fender attachment info
 
Quote:

Originally Posted by joedoh (Post 9078322)
the inner fender does not bolt to the toe board on a 1/2 ton (and 3/4 and 1 ton). it bolts to the E brake BRACKET and that bracket bolts to the toe board. if you are missing the bracket, the inner fender will not touch the toe board. there will be a little more than an inch gap.

Quote:

Originally Posted by youngrodder (Post 9078332)
I did away with extra brackets and I was still able to bolt up the stock inner fenders to the toe boards. It was not too bad. Just use long enough bolts to pull the two pieces together. Once tight you can go back thru, one by one and use shorter bolts.

Thanks
Marc

Quote:

Originally Posted by joedoh (Post 9078336)
i wonder where the extra inch came from? stretch?

I don't have that brake bracket so trying to work from these posts. First bad news, looks like I need some type of spacer. But then good news, maybe not. Then it's "riddle me this".
So I went to the garage where I have my radiator support/inner fender assembly I rescued from storage today and did some measuring. Yep, driver side is shorter than passenger side. Never would have thought that. Exact amount I can't tell without locating that assy on the frame but it appears to be more than an inch.
Could make a spacer but I guess better solution is to locate a E brake bracket. Still need dimensions or template to locate holes correctly.
Thanks all for the help and education. Most helpful.

mr48chev 05-12-2022 08:08 PM

Re: Need inner fender attachment info
 
1 Attachment(s)
As Joedoe said, the drivers side inner fender won't bolt on unless you have the park brake bracket. The exception might be a 47 inner fender or one off a 47/48 1 ton that had the transmission mounted park brake.

This is the bracket.

youngrodder 05-13-2022 09:27 AM

Re: Need inner fender attachment info
 
Quote:

Originally Posted by 51 3600 (Post 9078375)
I don't have that brake bracket so trying to work from these posts. First bad news, looks like I need some type of spacer. But then good news, maybe not. Then it's "riddle me this".
So I went to the garage where I have my radiator support/inner fender assembly I rescued from storage today and did some measuring. Yep, driver side is shorter than passenger side. Never would have thought that. Exact amount I can't tell without locating that assy on the frame but it appears to be more than an inch.
Could make a spacer but I guess better solution is to locate a E brake bracket. Still need dimensions or template to locate holes correctly.
Thanks all for the help and education. Most helpful.

It can be done without the bracket. The bracket would no doubt make it easier but I can be done. I will snap a picture as poof. I explained what I did above. It has worked well for the 3,000 road miles to date.

Marc

51 3600 05-13-2022 09:37 AM

Re: Need inner fender attachment info
 
Quote:

Originally Posted by youngrodder (Post 9078595)
It can be done without the bracket. The bracket would no doubt make it easier but I can be done. I will snap a picture as poof. I explained what I did above. It has worked well for the 3,000 road miles to date.

Marc

I have no doubt you accomplished it, I just have a hard time understanding what happened to that inch and how pulling the inner fender tight to the toe board didn’t affect the fender fit as well as the overall front clip fit. Pic would help me.

youngrodder 05-13-2022 09:57 AM

Re: Need inner fender attachment info
 
2 Attachment(s)
Quote:

Originally Posted by 51 3600 (Post 9078605)
I have no doubt you accomplished it, I just have a hard time understanding what happened to that inch and how pulling the inner fender tight to the toe board didn’t affect the fender fit as well as the overall front clip fit. Pic would help me.

Basically the trailing edge of the inner fender is just pull toward the toe board (as the bolts are tightened). The actual position the inner fender does not change. All fender to inner fender bolt holes lined up fine.

Again the best way is probable to use the brace but I did not have one plus I like less clutter and "extra" stuff.

Marc

51 3600 05-13-2022 12:58 PM

Re: Need inner fender attachment info
 
And that didn’t affect how your fenders fit on the cowl side or pull your radiator support back or how the hood fit? No other alterations or adjustments? That’s a head scratcher for me.

joedoh 05-13-2022 07:06 PM

Re: Need inner fender attachment info
 
if marc says it works i would probably try it, you dont have any holes now so it wont matter where you put them haha

mr48chev 05-14-2022 12:52 PM

Re: Need inner fender attachment info
 
I've got to pull the one on my parts cab off some time anyhow so i if the rain stops I'll see if I can get it off and get some photos today. if you aren't hanging the park brake off it all you need is something like a piece of light square tubing for a spacer.

51 3600 05-14-2022 01:10 PM

Re: Need inner fender attachment info
 
Quote:

Originally Posted by joedoh (Post 9078778)
if marc says it works i would probably try it, you dont have any holes now so it wont matter where you put them haha

That is very true. Plus with my skills I’ll end up with more holes than I need!

Quote:

Originally Posted by mr48chev (Post 9078999)
I've got to pull the one on my parts cab off some time anyhow so i if the rain stops I'll see if I can get it off and get some photos today. if you aren't hanging the park brake off it all you need is something like a piece of light square tubing for a spacer.

Pics always helpful. Don’t need the e-brake bracket so guess I’ll try marc’s method. If I can’t get that to work I’ll put a tube spacer in.

mr48chev 05-14-2022 04:39 PM

Re: Need inner fender attachment info
 
3 Attachment(s)
There is quite a bit of difference in the angle between the back of the inner fender and the foot board.

My tubing idea won't work but if you fabbed a spacer it doesn't have to match the original bracket it just has to space the inner fender off the foot board.

mr48chev 05-15-2022 01:13 AM

Re: Need inner fender attachment info
 
I made a Photobucket album of the bracket and the park brake pedal mechanism.
I'll probably stick some more photos in it before all is said and done to have for when someone asks a question on that setup.
https://photobucket.com/u/mr48chev/a...d-f8458bdef325

51 3600 05-15-2022 04:03 PM

Re: Need inner fender attachment info
 
2 Attachment(s)
Quote:

Originally Posted by mr48chev (Post 9079189)
I made a Photobucket album of the bracket and the park brake pedal mechanism.
I'll probably stick some more photos in it before all is said and done to have for when someone asks a question on that setup.
https://photobucket.com/u/mr48chev/a...d-f8458bdef325

Thanks for taking the time to photograph and share those pics. They are a great help. At the risk of being greedy can I ask a favor for dimensions per the below pics? That would help me tremendously in figuring out where to drill holes. (I'm good at measuring but not so good at estimating/guessing.) Is it fair to assume the passenger side holes would be in mirrored locations?

2 dimensions
Attachment 2191834

3 dimensions
Attachment 2191835


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