Old head bolts

FIAT cars and parts wanted
whitehause
Posts: 235
Joined: Thu Oct 11, 2018 5:01 pm
Last Name: White
First Name: Tim

Old head bolts

Post by whitehause » Mon Apr 22, 2019 5:04 pm

Looking for some old head bolts to re-purpose as cross member bolts on my cross member to frame repair. Figured if someone has some laying around and wants to make a few bucks I'd rather spend the money here than Amazon.
kgfiske
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Last Name: Fiske
First Name: Kelly

Re: Old head bolts

Post by kgfiske » Tue Apr 23, 2019 7:45 am

Hi Tim,
How many do you want? I have 10 available from a recent 2L head rebuild.
Thanks
Kelly
Kelly Fiske
Akron, OH
78 Spider
82 Spider Turbo
whitehause
Posts: 235
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First Name: Tim

Re: Old head bolts

Post by whitehause » Tue Apr 23, 2019 8:05 am

Hey Kelly,
I need 4 but was thinking 6 in case a screw one or two up since I'm pretty sure I'll need to cut them down a little.
Thanks for the reply! Let me know how much you want for them including shipping.

Thanks again
Tim
I'm in Fleetwood PA 19522

P.S was also looking for two 2L connecting rod bolts if you have a couple of them sitting around from the rebuild.
fp55scca
duemila club
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Re: Old head bolts

Post by fp55scca » Tue Apr 23, 2019 12:46 pm

whitehause wrote:
Mon Apr 22, 2019 5:04 pm
...Looking for some old head bolts to re-purpose as cross member bolts on my cross member to frame repair.
---------------------------------------------------------------------------
--Hi Tim. Since these are 10mm bolts you are asking for, I assume these are replacements for the vertical bolts that normally extend from the frame? If that's correct, are you intending to drill down through the box section of the chassis to install these bolts in some fashion?
Jim Scurria
Norfolk, VA

1972 Fiat 124 Spider
1971 Spider - SCCA FP-24
1974 CSA Abarth Replica
1981 Fiat Spider Ratrod
whitehause
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First Name: Tim

Re: Old head bolts

Post by whitehause » Tue Apr 23, 2019 1:03 pm

Hi Jim,
Yes, I had to cut out the old bolts, so I'm using the two plate method and tig welding a plate on top and bottom with tubes welded to them vertically so I can run the bolts all the way through the frame from the top but not crush the thin frame when torqueing. The bottom plate will be welded flush, and the top plate will be thicker and span some of the original frame. I was amazed when I started cutting how thin the frame is in this area! I got the new cross member from AR, but was a bit concerned that it didn't have the notch for the exhaust down tube like the original, but Csaba said that's the way they've been coming and it hasn't seemed to be an issue. I've been chugging along slowly on it, and haven't updated my follow along thread in a while since it's been mainly cleaning and painting old parts, and damaging my bank account ordering new ones..lol.
fp55scca
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Re: Old head bolts

Post by fp55scca » Wed Apr 24, 2019 9:22 am

whitehause wrote:
Tue Apr 23, 2019 1:03 pm
---I was amazed when I started cutting how thin the frame is in this area!

---I got the new cross member from AR, but was a bit concerned that it didn't have the notch for the exhaust down tube like the original
------------------------------------------------
--Tim, I think the two-plate method will work fine, as long as the vertical tubes are sufficiently robust. I also use a "doubler" on the veretical face of the rail to spread the load a little more as well. This area is a weak point of the Spider, and the cracking usually occurs when the vertical bolts are loose. Always good to check them periodically.

--With larger diameter downpipes on a performance or racecar, you may have to take your grinder to the crossmember for clearance. Depending on how much material is removed from that lip, a few spot welds may be necessary. This is pretty standard.
Jim Scurria
Norfolk, VA

1972 Fiat 124 Spider
1971 Spider - SCCA FP-24
1974 CSA Abarth Replica
1981 Fiat Spider Ratrod
kgfiske
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Last Name: Fiske
First Name: Kelly

Re: Old head bolts

Post by kgfiske » Wed Apr 24, 2019 12:13 pm

Tim,
PM sent. BTW, I don't have any connecting rod bolts.
Thx
Kelly
Kelly Fiske
Akron, OH
78 Spider
82 Spider Turbo
whitehause
Posts: 235
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First Name: Tim

Re: Old head bolts

Post by whitehause » Wed Apr 24, 2019 12:15 pm

When you say a doubler on the vertical face, I see the cross member came with two new triangle shims.....do you omit these and use a wider piece the same thickness as the shims for the doubler, or do you add pieces shaped around the triangle profile of the cross member on the vertical face?
whitehause
Posts: 235
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First Name: Tim

Re: Old head bolts

Post by whitehause » Wed Apr 24, 2019 12:24 pm

kgfiske wrote:
Wed Apr 24, 2019 12:13 pm
Tim,
PM sent. BTW, I don't have any connecting rod bolts.
Thx
Kelly
Thank you Kelly, I responded to it
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atruscott
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Re: Old head bolts

Post by atruscott » Wed Apr 24, 2019 8:33 pm

I think we’ve got about 80 in the shop...
1960 Autobianchi Bianchina Transformabile
1970 238 Camper OHV
1974 124 Wagon TC
1974 124 Special TC
1975 124 Sport Coupe
1976 124 Sport Spider (The Racer)
1981 Spider 2000 (The Resurrected)
1985 Pininfarina Azzurra
2017 124 Spider Abarth Elaborazione
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