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A31 Cifero Questions

Soundboyracer
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Soundboyracer

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Hi all. I'm interested in building a a31 for daily. I'm thinking of using a Rb25det with gearbox.

What I'm not sure about is what diff should I upgrade the rear with, and the braking system.

I'm really excited about using some r33 wheels. So ill need to convert to 5 hole

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https://www.sau.com.au/forums/topic/425612-a31-cifero-questions/
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who's next Collaborator

who's next

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I used the R32 diff, bolts right up, hand brakes, brake lines etc were easy to work back. the only real work was on the driveshaft, one of the ends needed to be removed from the a31 shaft and replaced with the r32 end as the size was different, that was because i went from auto to manual. also when using the a31 shaft (2nd half) to switch the end with the r32, maintain the same length don't shorten it

hope this helps

who's next Collaborator

who's next

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what i did with my conversion is that i bought a r32 front cut and moved over everything except the shocks and spring as that set up is different to the cefiro. steering rack & lines, all AC parts front cross member, lower control arms etc. most of it fitted with very little mods if any at all. like the brake lines needed to change (just the ends) as they were sligtly different. the ac lines run a little different to the front but any they work back. like i said for the most part it is bolt for bolt but there are some exceptions but these are easy to adjust. the brakes and cluth pedals also work back. the most trouble some part of the build was to make up the brackets to hold the handbrakes and fit the r32 center consol (to work the handbrakes) also i changed the instrument pannel that 2 was trial and error cutting till it fitted. the other set of work is the geabox bracket needs to be modified. what i did was i had and extra engine bracket. the holes line up exact with the gearbox holes, so it was just a matter of cutting and welding them on to the gearbox bracket. So far its going good no issues. i have lots of pics with the build so i would try to put them up or a link to them. good luck

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