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Title: UN1 gearbox for drag... Post by: JLaw on November 03, 2008, 21:13:39 pm Hi im looking for some information about fitting the renault un1 gearbox to a bug. I have heard that there in a green european bug that used to run type 4 turbo i think now runs subaru engine that has a UN1 box. It runs nines if im correct. anyone got any info about this subject?
Cheers John. Title: Re: UN1 gearbox for drag... Post by: tikimadness on November 03, 2008, 21:34:59 pm Hi im looking for some information about fitting the renault un1 gearbox to a bug. I have heard that there in a green european bug that used to run type 4 turbo i think now runs subaru engine that has a UN1 box. It runs nines if im correct. anyone got any info about this subject? Cheers John. Hi John, The guy you mean is Robert Jongen www.rojoracing.com He was running a UN1 with the diff welded to use as a spool.I am using a UN1 now in my oval. It is a lot of work to get one to fit but it works . You have to cut up the torsionbar in the middle because of the length of the UN1 and make custom brackets.You also need an adaptorplate to mount a T25 bellhousing to the UN1. The rest is straight forward. If you want I can post some pics of my car. Michael Title: Re: UN1 gearbox for drag... Post by: JLaw on November 03, 2008, 22:32:42 pm Michael,
Thanks for the info and I'd love to see any pics of your build up! I have a very solid original 63 that I am planning the work for, I have a few of the un1 boxes available too, which did you decide to use as there are a few different ratios available. I am thinking the renault 25 turbo or atmo gta alpine final drives maybe be best, what are your thoughts? I know the boxes are very strong but have you found any weaknesses in the design? I am hoping to drag race with the box and I dont want to have to keep rebuilding boxes. what have you done about axles etc? I would be very appriciative of any advice. How did you go about the adaptor plate, did you machine something up yourself? Cheers, John. Title: Re: UN1 gearbox for drag... Post by: tikimadness on November 05, 2008, 22:31:10 pm I will post pictures tomorow ;)
Michael Title: Re: UN1 gearbox for drag... Post by: mychatype3 on November 06, 2008, 13:41:05 pm Michael, Thanks for the info and I'd love to see any pics of your build up! I have a very solid original 63 that I am planning the work for, I have a few of the un1 boxes available too, which did you decide to use as there are a few different ratios available. I am thinking the renault 25 turbo or atmo gta alpine final drives maybe be best, what are your thoughts? I know the boxes are very strong but have you found any weaknesses in the design? I am hoping to drag race with the box and I dont want to have to keep rebuilding boxes. what have you done about axles etc? I would be very appriciative of any advice. How did you go about the adaptor plate, did you machine something up yourself? Cheers, John. Hello John, Send a e-mail to info@deboxer.nl he can help you with a adaptor plate (he has them in stock ;)) Greetings mycha Title: Re: UN1 gearbox for drag... Post by: Airspeed on November 06, 2008, 19:41:28 pm Hi im looking for some information about fitting the renault un1 gearbox to a bug. I have heard that there in a green european bug that used to run type 4 turbo i think now runs subaru engine that has a UN1 box. It runs nines if im correct. anyone got any info about this subject? He runs the 9's with a porsche 930 box FYI. That 930 tranny is converted to sequential shifting and has straight gears. i think his box is more expensive then his engine, which also had a lot of work done to it... Cheers John. Title: Re: UN1 gearbox for drag... Post by: fahrvergnugen on November 14, 2008, 12:51:47 pm I will post pictures tomorow ;) Michael 10 day's later >:( PICTURES |