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nicksonmsport
 Post subject: 924/924 turbo steering rack ratios/differences
PostPosted: Fri Sep 12, 2014 5:15 pm 
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am I right in saying the only difference between a 924 and 924t steering rack is the ratio?

does anyone know the ratios?

many thanks
nick
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Matt924lux
 Post subject: Re: 924/924 turbo steering rack ratios/differences
PostPosted: Mon Sep 15, 2014 7:24 pm 
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Hi Nick, I think the racks are much the same apart from the ratios, the turbo being 3.8 turns lock to lock and I think the standard rack is 4.2 turns lock to lock (not 100% sure as cant find info just now and the Haynes manual ,as usual, is rubbish).

Matt

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1984 924 2.0l N/A with Post Box red standard wheels, "Rally Pig" sticker.
It's not dirty, i'm being ecological.
2005 Ford Fiesta ZetecS 1.6TDCi Red, standard, also with "Rally Pig" sticker.

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Carrera RSR
 Post subject: Re: 924/924 turbo steering rack ratios/differences
PostPosted: Mon Sep 15, 2014 7:35 pm 
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From Porsche tech spec document

924 ratio in the middle = 19.15:1
turbo ratio in the middle = 22.39:1

Both have a lock to lock of 4.02 turns

There is forum folklore that the RHD racks are based on upside down LHD Golf racks and vice versa. Not seen or been dis proven but I belive someone tried to fit a golf quick rack internals into a 924 rack

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Steve
1980 924 Turbo Series 1 - Alpine White & Guards Red
Omega forged pistons, Piper cam, K27/26 hybrid turbo, 951 ducted FMIC, custom intake, Mittelmotor/123ignition, Hayward & Scott, GAZ Golds, Fuch'ed, Quaife LSD

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nicksonmsport
 Post subject: Re: 924/924 turbo steering rack ratios/differences
PostPosted: Mon Sep 15, 2014 8:35 pm 
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Cheers

Anyone got back to back comparisons on wether the quicker 924t rack is noticeable over std 924 rack

944 rack fit 924?

Regards
nick
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Carrera RSR
 Post subject: Re: 924/924 turbo steering rack ratios/differences
PostPosted: Mon Sep 15, 2014 8:44 pm 
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nicksonmsport wrote:

944 rack fit 924?


Different cross members

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Steve
1980 924 Turbo Series 1 - Alpine White & Guards Red
Omega forged pistons, Piper cam, K27/26 hybrid turbo, 951 ducted FMIC, custom intake, Mittelmotor/123ignition, Hayward & Scott, GAZ Golds, Fuch'ed, Quaife LSD

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domdomt
 Post subject: Re: 924/924 turbo steering rack ratios/differences
PostPosted: Sun Sep 21, 2014 7:53 pm 
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I removed my rack the other day when I rebuilt my front suspension. Lock to lock it was 3.6/7 turns. Mine is a standard 2.0l 924

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