Top frame rear allen head bolts

FIAT cars and parts wanted
Post Reply
User avatar
red107
Posts: 6
Joined: Sat Nov 24, 2018 8:16 am
Last Name: Thompson
First Name: Robert

Top frame rear allen head bolts

Post by red107 » Mon Jan 28, 2019 3:55 pm

I'm in search of the top frame rear allen head bolts. Or if someone knows another option.
USN Retired.
1981 Fiat Spider
fp55scca
duemila club
Posts: 2434
Joined: Sun Jan 24, 2016 11:34 am
Last Name:

Re: Top frame rear allen head bolts

Post by fp55scca » Mon Jan 28, 2019 6:38 pm

red107 wrote:
Mon Jan 28, 2019 3:55 pm
I'm in search of the top frame rear allen head bolts. Or if someone knows another option.
-------------------------------------------------------
--Robert, just to be clear, are we talking about the allen head bolt that attaches the main hoop of the top to the chassis?
Jim Scurria
Norfolk, VA

1972 Fiat 124 Spider
1971 Spider - SCCA FP-24
1974 Fiat 124 Spider
User avatar
red107
Posts: 6
Joined: Sat Nov 24, 2018 8:16 am
Last Name: Thompson
First Name: Robert

Re: Top frame rear allen head bolts

Post by red107 » Mon Jan 28, 2019 6:45 pm

Yes, two per side.
USN Retired.
1981 Fiat Spider
fp55scca
duemila club
Posts: 2434
Joined: Sun Jan 24, 2016 11:34 am
Last Name:

Re: Top frame rear allen head bolts

Post by fp55scca » Mon Jan 28, 2019 9:56 pm

red107 wrote:
Mon Jan 28, 2019 3:55 pm
I'm in search of the top frame rear allen head bolts. Or if someone knows another option.
-----------------------------------------------
--Ok Robert, I'll check around and see if I can rustle some up for you. Where are you located?

--Just for info, I believe those bolts are 10mm x 1.25 thread pitch, and about 30-35mm in length under the head. But, there are two reasons to want to use the correct bolt. One, the heads are tapered to fit flush in the frame; and second, the proper bolts are somewhat pointed because they have to go through the top frame, and then catch a captive nut in the chassis.
Jim Scurria
Norfolk, VA

1972 Fiat 124 Spider
1971 Spider - SCCA FP-24
1974 Fiat 124 Spider
User avatar
red107
Posts: 6
Joined: Sat Nov 24, 2018 8:16 am
Last Name: Thompson
First Name: Robert

Re: Top frame rear allen head bolts

Post by red107 » Tue Jan 29, 2019 12:32 pm

Jim, I sent you a private message.
USN Retired.
1981 Fiat Spider
fp55scca
duemila club
Posts: 2434
Joined: Sun Jan 24, 2016 11:34 am
Last Name:

Re: Top frame rear allen head bolts

Post by fp55scca » Fri Feb 01, 2019 10:01 am

--Robert, still working on locating your top frame attaching bolts. The reason I'm familiar with these is that I just had a problem with my own, and had to use my spares. If anyone else can locate some, please chime in here.....

--I'm also investigating whether or not the door latch, striker plate bolts at the B-pillar might be the same, or at least a suitable substitute for the original top frame bolts. Again, if someone else can comment here, please join in.
Jim Scurria
Norfolk, VA

1972 Fiat 124 Spider
1971 Spider - SCCA FP-24
1974 Fiat 124 Spider
fp55scca
duemila club
Posts: 2434
Joined: Sun Jan 24, 2016 11:34 am
Last Name:

Re: Top frame rear allen head bolts

Post by fp55scca » Sat Feb 09, 2019 11:58 am

--Ok Robert, looks like the door striker plate bolts are the same as the top frame attaching bolts. Both tapered and 10mm x 1.25 thread pitch.

--The question now is do you have the large, thick washers (about 10mm thick) that go between the frame and the chassis? I'm thinking that if you're missing the bolts, you may be missing the washers as well? Without these washers installed, the top frame will bind on the chrome trim strips at the base of the rear windows.

--This is the bolt: tapered head, and tapered threads to engage the captive nuts in the chassis.
Top Frame Bolt.jpg
Top Frame Bolt.jpg (74.61 KiB) Viewed 157 times
Jim Scurria
Norfolk, VA

1972 Fiat 124 Spider
1971 Spider - SCCA FP-24
1974 Fiat 124 Spider
Post Reply

Who is online

Users browsing this forum: No registered users and 3 guests