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Old 18th May 2016, 10:00   #76
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Default re: 1962 Fiat 1100 Super Select - Ownership Log

Dear h14 - hello after a long time. The part which broke is the drive coupling. The rubber ages with time and then the part gives way. The other reason is torque loss of the fasteners. The best make is VIR. It comes in a yellow box. There is one MOKH make also, which comes in a red and white box but it does not give good life. I have a spare drive coupling in each of my cars except my LHD, which has the NISSAN transmission which uses slip yoke design of NISSAN so this coupling is not there. You need 13, 14 and 17mm size spanners to replace it. It is a 15 minutes job but it is very dirty work. I have done it so I know! .

In 1986, I had made a prototype car (MMY6058) with double UJ and slip yoke without this coupling to eliminate this issue forever, but it was struck down due to "higher input cost"! .

Best regards,

Behram Dhabhar

PS - please see my PM.
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Old 18th May 2016, 14:30   #77
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Default re: 1962 Fiat 1100 Super Select - Ownership Log

I agree sir! It is a messy job. Have placed order for the VIR made ones along with VIR suspension bushes they would be in by this week

Work has already started and waiting for the parts.

1962 Fiat 1100 Super Select - Ownership Log-img20160518wa0001.jpg

1962 Fiat 1100 Super Select - Ownership Log-img20160518wa0002.jpg
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Old 24th May 2016, 00:11   #78
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The first lot of parts; bushes, bearings and wheel cylinders

1962 Fiat 1100 Super Select - Ownership Log-1464028629694.jpg

1962 Fiat 1100 Super Select - Ownership Log-1464028651194.jpg

The worn out bearings

1962 Fiat 1100 Super Select - Ownership Log-1464028716264.jpg

The new bearings in place

1962 Fiat 1100 Super Select - Ownership Log-1464028739124.jpg

1962 Fiat 1100 Super Select - Ownership Log-1464028759173.jpg

1962 Fiat 1100 Super Select - Ownership Log-1464028777674.jpg
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Old 27th May 2016, 10:50   #79
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Default re: 1962 Fiat 1100 Super Select - Ownership Log

Rating this thread 5 stars

Is the car ready and rolling now?
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Old 27th May 2016, 10:58   #80
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Default re: 1962 Fiat 1100 Super Select - Ownership Log

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Is the car ready and rolling now?
Thanks autocrat! Works are in progress, some of the differential parts are pending procurement. The struts too took some time to procure, got Gabriel. This is the present state, all underparts stripped

1962 Fiat 1100 Super Select - Ownership Log-img20160525wa0043.jpg

Have also planned to attend to the patches cropping up in the boot. So expecting at-least one more month for it to start rolling
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Old 27th May 2016, 12:08   #81
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Default re: 1962 Fiat 1100 Super Select - Ownership Log

Dear Anandh (h14) - please ensure that you use oversize control arm bushes of VIR make. Standard bushes will fit loose in the control arms and you won't get suspension performance in jounce and rebound conditions. Standard bushes come in blue packing, first oversize bushes come in red packing and second oversize bushes come in black packing. Sorry, I forgot to tell you earlier. What happened to the rear axle? Why have you opened it? It is a perfect design, it is built like a tank, so it must last forever if correct lubricant (2 liters of SAE90EP) is filled in it.

Best regards,

Behram Dhabhar

Last edited by DHABHAR.BEHRAM : 27th May 2016 at 12:09.
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Old 27th May 2016, 12:21   #82
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Default re: 1962 Fiat 1100 Super Select - Ownership Log

Behram sir, the rear axle was opened due to minor oil leaks and upon opening the bearings were found to be worn. I had been careful with the oil, but I suppose the damage was already there when I purchased the car. There were no sounds, but this was an unexpected damage. I remember when I got the car and replaced all fluids, both the gearbox oil and the diff oil when drained were low in quantity. I can only attribute this to have been driven on low oil.

Let me check on what bushes they got.
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Old 27th May 2016, 13:35   #83
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Default re: 1962 Fiat 1100 Super Select - Ownership Log

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Behram sir, the rear axle was opened due to minor oil leaks and upon opening the bearings were found to be worn. I had been careful with the oil, but I suppose the damage was already there when I purchased the car. There were no sounds, but this was an unexpected damage. I remember when I got the car and replaced all fluids, both the gearbox oil and the diff oil when drained were low in quantity. I can only attribute this to have been driven on low oil. Let me check on what bushes they got.
Dear Anandh - specifications for pinion bearing preload with collapsible spacer and hypoid backlash are very stringent as given in the workshop manual. Please be very careful to adhere to the specifications during assembly. If these parameters are set properly, differential will work forever, the design of 1953 is absolutely perfect, hats off to the Italians who designed it.

Best regards,

Behram Dhabhar
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Old 22nd June 2016, 10:08   #84
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Default re: 1962 Fiat 1100 Super Select - Ownership Log

The rear is now completed and grounded and time for the front suspension and bushes. The front metal bushes need replacement work on that will start today.

The rear axle

1962 Fiat 1100 Super Select - Ownership Log-img20160611wa0019.jpg

Small video of the differential being given a trial run



The metal bushes

1962 Fiat 1100 Super Select - Ownership Log-img20160622wa0000.jpg

1962 Fiat 1100 Super Select - Ownership Log-img20160622wa0001.jpg

Last edited by h14 : 22nd June 2016 at 10:12.
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Old 22nd June 2016, 10:39   #85
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Default re: 1962 Fiat 1100 Super Select - Ownership Log

Dear Anandh - the axle video is obviously on no-load condition, so cannot infer anything, you need to actually drive & coast to see the performance. The last two photographs are of the bottom and the top spiders on the stub axles respectively. Please post photographs after cleaning the parts, I want to see the condition of the ground OD of the stub axle and the external and internal threads of the spiders and nuts. Tolerance on the stub axle OD is 24 microns. The exact dimensions are 18.475 / 18.451 mm. As grinding can only be done during manufacturing, your acceptance criteria is free rotation without clearance by feel. 0.05mm axial clearance is required after torqueing the nut. Ensure that the thrust washers are cleaned perfectly and assembled properly. Use 8 new dust seals. Minor reaming of the bush is allowed if required. Ensure that the grease nipples are clean and they work. External threads on the spiders will show a very small amount of clearance with the nuts, this is by design tolerance, but this gets taken up when the spiders are tightened on the control arms. External threads on the spiders must have zero clearance with the control arms. If not OK, the control arms must be replaced. Ensure that the spiders are centralized with the stub axle center line otherwise you will have difficulty in setting caster. Set camber / caster / toe as per the specifications that I have given in the technical information thread. If your steering gear is Italian, ensure that you have 160cc of SAE90EP oil in it, if it is XLO, ensure that you have 220cc of SAE140 oil in it. If all this is followed without exception, suspension performance will be excellent, steering will feel like power steering and the system will work flawlessly forever!

Best regards,

Behram Dhabhar

Last edited by DHABHAR.BEHRAM : 22nd June 2016 at 10:41.
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Old 22nd June 2016, 11:07   #86
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Default re: 1962 Fiat 1100 Super Select - Ownership Log

Quote:
Originally Posted by DHABHAR.BEHRAM View Post
Dear Anandh - If your steering gear is Italian, ensure that you have 160cc of SAE90EP oil in it, if it is XLO, ensure that you have 220cc of SAE140 oil in it. If all this is followed without exception, suspension performance will be excellent, steering will feel like power steering and the system will work flawlessly forever!

Best regards,

Behram Dhabhar
Hello - Is there a thread on how to top up the steering gear oil ? Thanks - this is for my 62 super select. The gear is still Italian!
raghu
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Old 22nd June 2016, 11:15   #87
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Default re: 1962 Fiat 1100 Super Select - Ownership Log

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Hello - Is there a thread on how to top up the steering gear oil ? Thanks - this is for my 62 super select. The gear is still Italian! Raghu
Dear Raghuram.cg - hello to you. There is a small square plug on the top face of the steering gear. The steering gear itself is mounted at 22 degrees inclination on the body brace. Unscrew this plug and add the oil to overflow which will aggregate to 160cc in your case. Rock the steering wheel from side to side as you fill, to allow oil to flow into all the crevasses. There is no drain plug. For draining, you will have to remove the steering gear and invert it. Usually, replenishing is sufficient because this is not a high speed application.

As you have mentioned that you still have the Italian steering gear, please be careful with the backlash setting mechanism, if it is working fine, leave it alone as it is a little temperamental! .

Best regards,

Behram Dhabhar
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Old 22nd June 2016, 11:26   #88
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Default re: 1962 Fiat 1100 Super Select - Ownership Log

Quote:
Originally Posted by DHABHAR.BEHRAM View Post
Dear Raghuram.cg - hello to you. There is a small square plug on the top face of the steering gear. The steering gear itself is mounted at 22 degrees inclination on the body brace. Unscrew this plug and add the oil to overflow which will aggregate to 160cc in your case. Rock the steering wheel from side to side as you fill, to allow oil to flow into all the crevasses. There is no drain plug. For draining, you will have to remove the steering gear and invert it. Usually, replenishing is sufficient because this is not a high speed application.

As you have mentioned that you still have the Italian steering gear, please be careful with the backlash setting mechanism, if it is working fine, leave it alone as it is a little temperamental! .

Best regards,

Behram Dhabhar
Dear Sir - thank you for the quick response. I will try out and post onto the thread. The backlash mechanism is fine and I also think it is best left untouched

raghu
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Old 24th October 2016, 16:51   #89
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Default re: 1962 Fiat 1100 Super Select - Ownership Log

Some updates after long time. I for sure will miss the invaluable comments of Behram sir :(

The suspension work was getting delayed as it was becoming difficult to source the struts. We got 3, and the 4th one took a very long time to come. So in the meantime, work was started on arresting the mild oil leaks.

Engine bay before works
1962 Fiat 1100 Super Select - Ownership Log-img20160919wa0011.jpg

Side door removed
1962 Fiat 1100 Super Select - Ownership Log-img20160919wa0012.jpg

1962 Fiat 1100 Super Select - Ownership Log-img20160919wa0018.jpg

The side & valve doors cleaned and painted
1962 Fiat 1100 Super Select - Ownership Log-img20160919wa0016.jpg

The valve door back on with new packing
1962 Fiat 1100 Super Select - Ownership Log-img20160919wa0015.jpg

The exhaust manifold bolts were broken, had to be addressed
1962 Fiat 1100 Super Select - Ownership Log-img20160919wa0017.jpg

All removed components cleaned and painted in black
1962 Fiat 1100 Super Select - Ownership Log-img20160924wa0001.jpg

1962 Fiat 1100 Super Select - Ownership Log-img20160924wa0002.jpg

1962 Fiat 1100 Super Select - Ownership Log-img20160924wa0003.jpg

Stood on support for some time
1962 Fiat 1100 Super Select - Ownership Log-img20160924wa0004.jpg

The shocks finally reached
1962 Fiat 1100 Super Select - Ownership Log-img20161003wa0009.jpg

The drums get their share of black
1962 Fiat 1100 Super Select - Ownership Log-img20161006wa0017.jpg

SS was back on wheels for the Pooja!
1962 Fiat 1100 Super Select - Ownership Log-img20161010wa0024.jpg

A hard TD was done to settle the components, esp the rear
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It quite didn't and the wheel-arch gap and alignment shows the same
1962 Fiat 1100 Super Select - Ownership Log-img20161017wa0006.jpg

Loaded the boot, and got it into position
1962 Fiat 1100 Super Select - Ownership Log-img20161017wa0011.jpg

1962 Fiat 1100 Super Select - Ownership Log-img20161017wa0013.jpg


Now another TD was done, and found the side door packing was leaking oil, more than ever! Inspection revealed that whatever 'new' packing we installed had given-away. We suspected it was an old stock. So it had to be re-done, of course, causing further delays in completing the work.

Once done, SS was driven to Pollachi from Walayar for the tinkering & painting. As mentioned in earlier posts, the tinkering and painting was limited to only the boot and fins.

1962 Fiat 1100 Super Select - Ownership Log-img20161023wa0008.jpg

1962 Fiat 1100 Super Select - Ownership Log-img20161023wa0009.jpg
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Old 24th October 2016, 17:55   #90
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Default re: 1962 Fiat 1100 Super Select - Ownership Log

Very True - Behram Sir will be missed sorely. Thank you H14 for documenting everything. Wish you many years of enjoyable FIATing

My PP is coming close to front suspension overhaul and I am not able to get original VIR spiders. I will be grateful to anyone who can help me procure them.
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