Porsche 911 RS 1972.......Turbo conversion 1/8

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FraH2o
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Porsche 911 RS 1972.......Turbo conversion 1/8

Post by FraH2o » Wed May 20, 2020 3:55 am

In the meantime I am finishing another 2 WRC delta, I started thinking about my next project.

I write a premise: my good friend model maker Riccardo tried to take me on the "right" way of the hystoric racing.
The idea would have been a LeMans (the 4H race in the 24) # 62 driven by Lennep with an NA engine and Martini livery ..... not to be confused with the Turbo # 46 always used by Lennep, always at LeMans, always Martini but at 24H race.
Beautiful cars, but that don't make “fall in love” like an mp4/4 or a Delta. If I continue to model my historical subjects it will be the F1, the WRC and some LeMans .... the rest I like custom or tuning like my Golf GTI

My inspiration starts from a Porsche seen live at Woerthersee 2013 .... an awesome USA 964: it is practically original, just very low (airride) and a rotiform rims.
The idea of my Porsche is based on this: a car with original shapes (practically a sleeper .... if a sleeper can be defined as a Porsche) "slammed" on the ground, 4 rims but with a turbo engine and therefore probably with the rear open bumper and with turbo clearly visible just like on the Lennep RSR in 24H Lemans

Now I’m studying the various engines between the various 935 of 76 and 79; there will be a lot to work and it will not be easy ... I don't even know if I will be able.

I have the first 21 double issues with the possibility of understanding how difficult it will be to move the cooling fan horizontally

The biggest problems will be:
-Exhaust manifolds
-Wastegate
-Turbo intake
-alternator
-Intercooler position


The rest will be the classic two-seater, internally emptied, rollcage and the usual mix of carbon, airride and bbs rims

We will see that “salade” will emerge from it.

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[KRAFTIG]
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Re: Porsche 911 RS 1972.......Turbo conversion 1/8

Post by [KRAFTIG] » Wed May 20, 2020 7:26 am

HOLY COW! MY GRAIL CAR! :wow:

What model did you use are the base?

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FraH2o
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Re: Porsche 911 RS 1972.......Turbo conversion 1/8

Post by FraH2o » Wed May 20, 2020 7:49 am

[KRAFTIG] wrote:
Wed May 20, 2020 7:26 am
HOLY COW! MY GRAIL CAR! :wow:

What model did you use are the base?
:lol: :lol: Is the ModelSpace DeA Porsche 911 Carrera RS 1972 1/8

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[KRAFTIG]
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Re: Porsche 911 RS 1972.......Turbo conversion 1/8

Post by [KRAFTIG] » Wed May 20, 2020 8:03 am

Damn, now you have given me some evil ideas my GF won't be happy with hahahaha :D

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StratosWRC
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Re: Porsche 911 RS 1972.......Turbo conversion 1/8

Post by StratosWRC » Wed May 20, 2020 12:20 pm

Whoa will be using this as inspiration. I myself just bought a cheap autoart 1/18 2.1 rsr turbo (martini liveried) that I will be converting to some sort of road/track toy. Will be using your thread for ideas!

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Re: Porsche 911 RS 1972.......Turbo conversion 1/8

Post by [KRAFTIG] » Wed May 20, 2020 3:26 pm

StratosWRC wrote:
Wed May 20, 2020 12:20 pm
Whoa will be using this as inspiration. I myself just bought a cheap autoart 1/18 2.1 rsr turbo (martini liveried) that I will be converting to some sort of road/track toy. Will be using your thread for ideas!
Looking forward to seeing that! :money: :money:

FrenchToast
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Re: Porsche 911 RS 1972.......Turbo conversion 1/8

Post by FrenchToast » Wed May 20, 2020 7:58 pm

Cool project.

Probably not necessary to choose a 'specific' engine. Maybe make up your own.

Porsche made hundreds of variations. The flat fan was merely an attempt to get the engine to cool more equally - specifically the front half of the engine. The 935, 959, 962 and GT1 used watercooled heads. 964 and 993 RSR/GT2s made do with the conventional upright fan and no water cooling.

The same basic engine parts were used on modern GT3s, but with full watercooling and without the distinctive air fan. The 991 GT3 uses a new engine.

For a modern twist, maybe lose the fan (there is still an alternator and other pulleys there) and install some "watercooling" like a GT3.

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FraH2o
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Re: Porsche 911 RS 1972.......Turbo conversion 1/8

Post by FraH2o » Wed Mar 10, 2021 8:04 am

In the meantime I finish the last 2 (boring and repetitive) delta I took some time to compare the bodies (partly of that DeA) of the Porsche.

RS 1/8 Dea vs (very rare kit) RSR 1/8 EidaiGrip

I think that once the Deltas are finished I will start with a double project .... my RS transformed into a turbo and the strictly historic 1974 RSR .... but I still have to decide whether I will replicate the Le Mans race or Brands Hatch, always 1974.

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FraH2o
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Re: Porsche 911 RS 1972.......Turbo conversion 1/8

Post by FraH2o » Wed Mar 10, 2021 8:06 am

I started working on the ride height, on future rims and Others.
And i start to convert this naturally aspirated flat six into a turbo.

I tryed the future RC rims which are slightly larger in diameter than the original Fuchs and which fit quite well on the original golf gti tires.

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I started by assembling the chassis, transmission, suspension unit to work on the set-up.
The original height is very high for me.
I have identified where i can made changes and adjust to drop it go.

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The rim is a wider and to fit the tire I belted it with a strip of styrene to stretch and to achieve the same width as the rim.

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FraH2o
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Re: Porsche 911 RS 1972.......Turbo conversion 1/8

Post by FraH2o » Wed Mar 10, 2021 8:07 am

The original height for me is very embarrassing

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At the rear, to lower it, I removed a pin that is a stopper on the joint where the swinging arm is fixed.

I removed that and shortened the spring by 9mm and used a spacer to raise the end of the shock absorber.

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FraH2o
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Re: Porsche 911 RS 1972.......Turbo conversion 1/8

Post by FraH2o » Wed Mar 10, 2021 8:08 am

On the front, however, I have to work more harder.
The front arms touch the frame with a extremely dropping chassis.
Other problems are that the steering arms work as a contrast spring and the front fenders did not allow the housing of the tire with this drastically drop.

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In addition to thinning the front arms, another interference is caused by a reinforcement rod on the front arm itself .... and I started creating the notch on the frame.

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FraH2o
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Re: Porsche 911 RS 1972.......Turbo conversion 1/8

Post by FraH2o » Wed Mar 10, 2021 8:08 am

At this point is already much better ... but with the front I am still not very satisfied.

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Re: Porsche 911 RS 1972.......Turbo conversion 1/8

Post by [KRAFTIG] » Wed Mar 10, 2021 8:13 am

Coming along nicely... I think its too low, but that's just me :)

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FraH2o
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Re: Porsche 911 RS 1972.......Turbo conversion 1/8

Post by FraH2o » Thu Mar 11, 2021 5:46 am

[KRAFTIG] wrote:
Wed Mar 10, 2021 8:13 am
Coming along nicely... I think its too low, but that's just me :)
:lol: :lol: I know….ultra low ride is a mix of religion and disease for me

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FraH2o
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Re: Porsche 911 RS 1972.......Turbo conversion 1/8

Post by FraH2o » Thu Mar 11, 2021 5:47 am

Other interferences to drop front are the internal fenders and the vertical rising of the shock absorbers ... the head of the absorber hit the inner of front trunk.

I started to file but it was not enough, I replaced the screws with washers with screws from Delta kit but still not enough.

I cut the part of the fender that hit the wheel

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