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500 (Classic) My 1971 Fiat 500 rebuild...

Introduction

Here is the start of my Fiat 500 rebuild thread. I bought the 500 in Italy in April and it arrived on May 2nd. It's a 1971 Fiat 500L...
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Within 5 minutes of it being on the driveway, the Giannini sunshade sticker was no more :) :)

The plan was to get it through an MOT ASAP, registration sent off and then I could drive whilst rebuilding it. Like most people on here, I'm doing this on evenings and weekends, so it's handy to be able have a roadworthy vehicle when you need to test something out.

Unfortunately, that didn't work as one of the first things I did was to jack it up and check out the front kingpins. There was tons of movement :( and a number of the bushes were perished, so I took the decision to redo all of the suspension for the MOT. This was on the plan anyway, along with fitting front discs brakes too, so I decided to do everything at the same time as it made sense, even if it would take longer.

So the stripping started. Mostly no problem, but the LHS front spring bush had fused to the bolt. Easily fixed with 1mm cutting disc :). Not so easy was the fused bush and bolt on the LHS rear swing arm inside pivot point. I could only cut through half of the bolt with the cutting disc, so the hacksaws were used for rest. I enjoyed that! :rolleyes:

The good news was I could start putting things back on...
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New kingpins with two grease nipples.

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New front discs that allow you to still use the original PCD of 4x190. The first brake line I tried to undo stripped the corners, so I ordered a new brake line kit along with a new master cylinder.

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All of the track rod end rubbers were perished and most of them had too much movement, so I decide to replace all of them. The steering box was leaking, so this was stripped and rebuilt with new gaskets and seals.

Naturally, I changed the brake pipe, fixed the horn, and tidied up the wiring while I was there. Seeing as I was doing all of this, it seemed like a good idea to tidy up under the hood too. The 500 needed a new battery, and previously the old one was simply wedged in against the front panel with a block of polystyrene :rolleyes: so this was sorted aswell. Although, I can't believe how long it took me to just secure battery...
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The rear took longer a lot longer than the front, mainly due to cleaning, stripping and painting the swing arms, hubs etc...
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All was going back together well, and I found the best way to get the swing arms back in with all of the spacers in the correct place was to do the inside pivot point first...

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Just one issue, in my rush to order all of the parts I ordered the wrong rear brake cylinders. I ordered the first one listed here...
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It turns out that I misread the product description, and due to formatting it actually reads Fiat 500 Giardiniera/...
not
Fiat 500
Giardiniera/....

So I have a rear cylinder that fits the backing plate, but is too wide and so the pistons stop the pads coming in enough for you to fit the drum...
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Doh!! So I need to order some new cylinders of the correct size, so that I can finish up and get it MOT'd before I can finish rest of rebuild.

It seems like it's taking an age, but I suppose it's not too bad for a month in.

cheers, Steve :)
Engine and gearbox all ready to go in...

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Before I put the exhaust on, I coated it all in Dinitrol corroheat, so I'll have to be patient and wait a couple days for it to fully harden before I fit it.

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That will give me time though to finish off the last couple of jobs to complete everything. Then it will be just tinkering over the next few weeks, while using it :)
 
Engine went in nice and easy this evening...

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Appears to have plenty of clearance for the pipes under the rear cross member...

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However, it needs to come out again, as the front down pipe fowls on the right panel...

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I'll need to free some room for it, and while there, the heater pipe needs a little 'adjustment' to stop it rubbing on the starter motor.
 
Looks very smart Steve. Did you buy the heater pipe with the dent in it to avoid the solenoid and starter motor? I had a visit from Sean this evening and funnily enough showed him this particular item.

Tony
 
Looks very smart Steve. Did you buy the heater pipe with the dent in it to avoid the solenoid and starter motor? I had a visit from Sean this evening and funnily enough showed him this particular item.

Tony
Hi Tony

If I recall, I could only find one type on axel. The starter I have is still a cable operated one, albeit one for a 126. I wanted to keep the starter lever operation.
It only needs a minor tweak along the seam on the RHS.

cheers, Steve
 
Hi Tony

If I recall, I could only find one type on axel. The starter I have is still a cable operated one, albeit one for a 126. I wanted to keep the starter lever operation.
It only needs a minor tweak along the seam on the RHS.

cheers, Steve

It's this one here Steve. I think the dent is more to allow for the solenoid, which you don't have. So a few taps with a hammer or a bit of bending will hopefully cure the problem.:D

http://webshop.fiat500126.com/katalog/artikelinfo/675/heater-tube
 
Those are amazing images from a phone...which one is it?
The classic architecture complements the car a treat. In those pics, Cambridge{?) has a bit of that look that you see in a lot of European cities where 500's typicaly gather.

Do you have the engine undertray? I have a theory that it helps with cooling by encouraging a "ram effect" of cool air from under the car to expel the warm air through the engine lid louvres.
 
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Thanks for the compliments

Those are amazing images from a phone...which one is it?
The classic architecture complements the car a treat. In those pics, Cambridge{?) has a bit of that look that you see in a lot of European cities where 500's typicaly gather.

iphone 6, yes it is a very good camera.

Do you have the engine undertray? I have a theory that it helps with cooling by encouraging a "ram effect" of cool air from under the car to expel the warm air through the engine lid louvres.

Yes, I just haven't fitted it yet after painting it. Thanks for the tip on cooling, I'll fit it tomorrow.

cheers, Steve
 
Nice pictures Steve and looking really nice. You forgot the important part! How does the car and engine run? It's a standard 650 isn't it, I can't remember if you modded it at all?

The sensor on the flywheel for the electronic ignition. Am I correct in the assumption you can't adjust the timing? It's just set?

Tony
 
Nice pictures Steve and looking really nice. You forgot the important part! How does the car and engine run? It's a standard 650 isn't it, I can't remember if you modded it at all?

The sensor on the flywheel for the electronic ignition. Am I correct in the assumption you can't adjust the timing? It's just set?

Tony

Hi Tony

It's an upgraded unit, using a new 650 engine as the starting point. Has hardened nitrided cam, bigger valves, uprated piston & cylinders etc. but not too extreme, so putting out about 32 HP with the standard weber 28.

Yes, it has the ECU electronic ignition, so no adjustment, other than than selecting type of ECU.

Still running in, but the engine and gearbox drive really well. The previous box had a worn first gear, but even so its a huge improvement over standard. The ride at town speeds over speed humps, drains and potholes still leaves a lot to be desired. ;) ;)
 
Evening Steve;
Sadly, I recently moved from Felixstowe to just outside Chester (long story--Wife's bright idea!)--good looking car, and Cambridge is a great place to use as a back-drop. What front spring have you fitted, and do you have any tyre/wheel-arch contact problems?
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Hi Steve
Has the ride height dropped to what you'd hoped?
Hi Andrew

Yes, it's now level with rear, but still sufficient clearance.

Evening Steve;
Sadly, I recently moved from Felixstowe to just outside Chester (long story--Wife's bright idea!)--good looking car, and Cambridge is a great place to use as a back-drop. What front spring have you fitted, and do you have any tyre/wheel-arch contact problems?
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Hi Tom

Thanks for kind comments. The front spring is now a six leaf with not a lot of curvature. With the 145/70's that came with the car on standard steel, there was no rubbing. With the 165/60's on the alloys, there was a minor rub on LHS front on full left lock. It was on the central seam inside the wing at the front when on the uneven gravel driveway. Now sorted and no rubbing (y)

Funnily enough I used to travel to Wales quite often for events, driving on byways and private sites. You'll have to swap the 500 for a Jeep or Land Rover ;) ;)

cheers, Steve
 
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