Fiat Strada 130TC Rally prep.

Non-engine, eg: aerodynamics, gearboxes, brakes, suspension
Biancorally
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Joined: July 9th, 2011, 2:30 pm
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Fiat Strada 130TC Rally prep.

Post by Biancorally »

Hi,

after showing my car in Readers Cars topic, here are the modifications to the car, just the most laborious.

I'll post again once when the car is completly finished.

Regards

Daniel
Attachments
modification of the roll cage to match fia reglement
modification of the roll cage to match fia reglement
2.JPG (57.7 KiB) Viewed 33811 times
3.JPG
3.JPG (28.82 KiB) Viewed 33811 times
4.JPG
4.JPG (56.1 KiB) Viewed 33811 times
5.JPG
5.JPG (28.96 KiB) Viewed 33811 times
6.JPG
6.JPG (40.46 KiB) Viewed 33811 times
reinforced front crossmember with a double sheet metal
reinforced front crossmember with a double sheet metal
7.JPG (47.46 KiB) Viewed 33811 times
lifting the car by the front cross should not a problem now
lifting the car by the front cross should not a problem now
8.JPG (191.36 KiB) Viewed 33811 times
suspension anchor reinforced
suspension anchor reinforced
9.JPG (145.25 KiB) Viewed 33811 times
10.JPG
10.JPG (152.13 KiB) Viewed 33811 times
11.JPG
11.JPG (107.88 KiB) Viewed 33811 times
12.JPG
12.JPG (133.49 KiB) Viewed 33811 times
plate to house the three hydraulic cylinders
plate to house the three hydraulic cylinders
13.JPG (134.73 KiB) Viewed 33811 times
Brake pedal with balance-beam (Tilton)
Brake pedal with balance-beam (Tilton)
14.JPG (147.68 KiB) Viewed 33811 times
Fiat Regata assisted rack close to 30% of the original
Fiat Regata assisted rack close to 30% of the original
15.JPG (157.5 KiB) Viewed 33811 times
shim to limit the travel of the rack
shim to limit the travel of the rack
16.JPG (137.67 KiB) Viewed 33811 times
modified joint to accept Fiat Regata rack
modified joint to accept Fiat Regata rack
17.JPG (164.89 KiB) Viewed 33811 times
18.JPG
18.JPG (178.75 KiB) Viewed 33811 times
19.JPG
19.JPG (131.12 KiB) Viewed 33811 times
20.JPG
20.JPG (113.34 KiB) Viewed 33811 times
21.JPG
21.JPG (123.92 KiB) Viewed 33811 times
22.JPG
22.JPG (128.57 KiB) Viewed 33811 times
23.JPG
23.JPG (137.43 KiB) Viewed 33811 times
electro hydraulic pump for power steering
electro hydraulic pump for power steering
24.JPG (156.18 KiB) Viewed 33811 times
Original engine mounting (front)
Original engine mounting (front)
25.JPG (143.12 KiB) Viewed 33811 times
modified engine mounting (front)
modified engine mounting (front)
26.JPG (150.2 KiB) Viewed 33811 times
original engine mounting (Side)
original engine mounting (Side)
27.JPG (151 KiB) Viewed 33811 times
modified engine mounting (Side)
modified engine mounting (Side)
28.JPG (135.4 KiB) Viewed 33811 times
Engine mounting (Side)
Engine mounting (Side)
29.JPG (130.55 KiB) Viewed 33811 times
Engine mounting (Side)
Engine mounting (Side)
30.JPG (189.33 KiB) Viewed 33811 times
modified engine mounting (Rear)
modified engine mounting (Rear)
31.JPG (160.36 KiB) Viewed 33811 times
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Guy Croft
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Re: Fiat Srada 130TC Rally prep.

Post by Guy Croft »

MODEL POST!

Well done Daniel! I really love these well-illustrated restorarion/prep series!

GC
Biancorally
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Joined: July 9th, 2011, 2:30 pm
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Re: Fiat Strada 130TC Rally prep.

Post by Biancorally »

Thank you very much Guy.
I will post more pictures soon.

Sincerely

Daniel
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mitch strada
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Location: London, UK
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Re: Fiat Strada 130TC Rally prep.

Post by mitch strada »

Great work, can i ask please, if the Regata rack is the same ratio as 130tc rack or did you replace the internals to make it a quick rack?

Also I dont understand why you would want to limited the travel of the rack. . .

Thanks and i look forward to seeing it progress.
Biancorally
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Joined: July 9th, 2011, 2:30 pm
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Re: Fiat Strada 130TC Rally prep.

Post by Biancorally »

Hi Mitch,

yes indeed, the 130TC is beginning to be rare and especially those in good condition. Here, in the small country, there is a half dozen running 130TC.

It is a pleasure to answer your question, Mitch.
As perhaps you already know the rack gear ratio of the 130TC is 4:1. The Regata who is assisted, have a rack gear ratio of 3,4:1.
Mine is still closer to 30% ie 2,38:1
Indeed, the internals has been replaced.
I had to limit the travel of the rack due to the large wheels.When I post the other pictures, you will understand why I had to limit the travel.



More pics to follow as soon as possible.

Regards

Daniel
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mitch strada
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Location: London, UK
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Re: Fiat Strada 130TC Rally prep.

Post by mitch strada »

I did not know the Regata rack was a different ratio - thanks for the info.

Yes the 130tc is a rare car now - your strengthening is very worthwhile from a safety point of view and to increase torsional rigidity - which standard Stradas / most monocoque production cars lack.
Biancorally
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Re: Fiat Strada 130TC Rally prep.

Post by Biancorally »

I just want to comment on previous pictures, the engine mounts have been changed to four good reason.
1. make the powertrain more stiffer
2. lifting Powertrain 15mm in order to do well work the drive shaft (was limit)
3. allow me to place a protection under the car easily and higher (especially for rally)
4. remove the torque brace screwed to the cylinder head (which can burn the head gasket, said as Guy)

One drawback, the raised center of gravity,
4 cons 1 I think its worth it.

Mitch, regarding the rigidity of the Stradas it was no good at all. I checked mine before I started, and found cracks in the front.

Regards

Daniel
Attachments
rear engine mounting, drive shaft dry build to try if everything run well
rear engine mounting, drive shaft dry build to try if everything run well
PICT0336.JPG (149.14 KiB) Viewed 33779 times
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mitch strada
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Re: Fiat Strada 130TC Rally prep.

Post by mitch strada »

What suspension are you using - coilovers all round - lose the rear leaf spring?

What will be the spec of the engine when car is finished?

Are you aiming for a final weight of the car once built - and are you using any composite panels / windows to reduce weight?

Thanks.
Guy Croft
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Re: Fiat Strada 130TC Rally prep.

Post by Guy Croft »

Daniel - with your excellent photo & mechanical skills - a possible book here?

This is not the first time I have said this - I recently remarked same on a 124 'resto'.

Miro knows an excellent printer, Natasha has her own publishing business 'Discern Publications' - effective and very low cost.

There is a terrible shortage of decent tech books on Fiats (that tell you anything remotely useful anyway).

GC
Biancorally
Posts: 50
Joined: July 9th, 2011, 2:30 pm
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Re: Fiat Strada 130TC Rally prep.

Post by Biancorally »

Hi Mitch,

Yes, I use springs all around. The suspensions are Proflex, made ​​to measure.

The engine has already passed the dyno for mapping with 45mm throttel bodies. Two weeks ago I started the engine for the first time, it runs very well.

If my calculations are correct I think the car will weigh 1 ton when finished.

No, I do not use composite component right now, just the front door panels, perhaps carbon.

Regards

Daniel
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Biancorally
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Joined: July 9th, 2011, 2:30 pm
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Re: Fiat Strada 130TC Rally prep.

Post by Biancorally »

Here are a couple of pictures,

Perhaps the last picture gives Mitch the answer, to her question; why i limit the travel of the rack!


Regards

Daniel
Attachments
small cabin heater, for the windshield, very light compared to the original
small cabin heater, for the windshield, very light compared to the original
35.JPG (165.69 KiB) Viewed 33680 times
36.JPG
36.JPG (69.73 KiB) Viewed 33680 times
Moroso accu, came from GCRE
Moroso accu, came from GCRE
37.JPG (184.15 KiB) Viewed 33680 times
double capacity aluminum radiator with oil cooler 16 row as indicated by GC
double capacity aluminum radiator with oil cooler 16 row as indicated by GC
38.JPG (168.2 KiB) Viewed 33680 times
39.JPG
39.JPG (169.52 KiB) Viewed 33680 times
interior
interior
40.JPG (139.24 KiB) Viewed 33680 times
interior clutter
interior clutter
41.JPG (152.28 KiB) Viewed 33680 times
resettable fuses
resettable fuses
42.JPG (124.98 KiB) Viewed 33680 times
resettable fuses, relays, switches, circuit breaker, etc etc ... and everything works
resettable fuses, relays, switches, circuit breaker, etc etc ... and everything works
43.JPG (157.48 KiB) Viewed 33680 times
exhaust muffler AX 891 came from GCRE
exhaust muffler AX 891 came from GCRE
44.JPG (144.35 KiB) Viewed 33680 times
100 cpsi catalyst
100 cpsi catalyst
45.JPG (103.24 KiB) Viewed 33680 times
Extinguishing system and battery have been relocated behind the seats for better weight distribution
Extinguishing system and battery have been relocated behind the seats for better weight distribution
46.JPG (145.63 KiB) Viewed 33680 times
this is what had to be removed from front fenders, to house the large wheels
this is what had to be removed from front fenders, to house the large wheels
47.JPG (125.77 KiB) Viewed 33680 times
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Biancorally
Posts: 50
Joined: July 9th, 2011, 2:30 pm
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Re: Fiat Strada 130TC Rally prep.

Post by Biancorally »

Guy Croft wrote:Daniel - with your excellent photo & mechanical skills - a possible book here?

This is not the first time I have said this - I recently remarked same on a 124 'resto'.

Miro knows an excellent printer, Natasha has her own publishing business 'Discern Publications' - effective and very low cost.

There is a terrible shortage of decent tech books on Fiats (that tell you anything remotely useful anyway).

GC

I do not think to be able to that sort of thing. Know that, before I post anything I need hours to prepare everything. (Write a readable text with the least possible fault and find the right expression). I use the translator to always be sure to make the fewest mistakes possible. My English is very bad, but it gradually increases.
Where to find the time for all this?
Guy, you are amazing, how do you manage it all. Writing books, manage the site's forum, answering questions asked, given the most detailed explanations, manage the business, and another for sure.

I am very pleased to be part of your site, Guy. This is the only site where I post pictures of my project.

thank you very much

Sincerely

Daniel
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TR-Spider
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Location: Rekingen / Switzerland
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Re: Fiat Strada 130TC Rally prep.

Post by TR-Spider »

Hi Daniel

very nice car you build there!
I like your attention to details on all the chassis stiffening & bracing and parts manufacturing.

Why did you choose the electric driven servo pump for the steering?

Thomas
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Biancorally
Posts: 50
Joined: July 9th, 2011, 2:30 pm
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Re: Fiat Strada 130TC Rally prep.

Post by Biancorally »

Hi Thomas,

I chose the electric pump because it is much easier to adapt. I like the combination electric motor, pump, tank. The alternator should be of good quality and performance, to ensure proper operation. There has never been Strada 130TC with power steering. The Strada GR.A been equipped hydraulic pump coupled to the engine, but too complicated for me!

Regards

Daniel
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WhizzMan
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Joined: August 13th, 2010, 8:05 pm
Location: Amsterdam, the Netherlands

Re: Fiat Strada 130TC Rally prep.

Post by WhizzMan »

Did you put the catalytic converter last? If so, it probably won't work, it needs heat from the exhaust to get to working temperature.
Book #348
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