Hugh Jass Posted January 7, 2020 Report Share Posted January 7, 2020 (edited) I have a Torsen from a 94 that I have been using with the original two piece axles but after an adventurous outing at our last race, I now have a one piece axle from a 97 on the left and a two piece from a 94 on the right with a torn boot. I am buying two new axles. Is there an advantage to one versus the other? They are roughly the same price on RA but there is more selection in the one piece. Edited January 9, 2020 by Hugh Jass Quote Link to comment Share on other sites More sharing options...
55mini Posted January 9, 2020 Report Share Posted January 9, 2020 So you need to explain a little more the one piece and two piece? The early cars had a stub axle in the diff which the bolted to a CV axle is that what you are calling a two piece? Quote Link to comment Share on other sites More sharing options...
Hugh Jass Posted January 9, 2020 Author Report Share Posted January 9, 2020 Just now, 55mini said: So you need to explain a little more the one piece and two piece? The early cars had a stub axle in the diff which the bolted to a CV axle is that what you are calling a two piece? Yes Quote Link to comment Share on other sites More sharing options...
55mini Posted January 9, 2020 Report Share Posted January 9, 2020 Ok so with the torsen we run the one piece which has splines on each end. Most all the torsens came from later cars not sure of the year but we have always bought '98 axles. They snap into the diff and have the nut on the hub end. What was your issue in the last race? Most of the after market are not good and won't last as long as OEM. Quote Link to comment Share on other sites More sharing options...
Jer Posted January 9, 2020 Report Share Posted January 9, 2020 7 minutes ago, 55mini said: Ok so with the torsen we run the one piece which has splines on each end. Most all the torsens came from later cars not sure of the year but we have always bought '98 axles. They snap into the diff and have the nut on the hub end. Me too. Quote Link to comment Share on other sites More sharing options...
Hugh Jass Posted January 9, 2020 Author Report Share Posted January 9, 2020 8 minutes ago, 55mini said: Ok so with the torsen we run the one piece which has splines on each end. Most all the torsens came from later cars not sure of the year but we have always bought '98 axles. They snap into the diff and have the nut on the hub end. What was your issue in the last race? Most of the after market are not good and won't last as long as OEM. My problem was the rookie backed it in the fence which broke the diff case and pushed the rear seal in then about 8 hours later the axle broke right at the nut. All we could source in the middle of the night at VIR was a '97 axle which turns out is the same length as a stub axle and a 94 axle. I think I will just get some one piece units as its 8 less things to nut/bolt/fail and keep the stub axles on the trailer if we ever need to adapt to a situation. Quote Link to comment Share on other sites More sharing options...
MMiskoe Posted January 9, 2020 Report Share Posted January 9, 2020 Might want to read the book, but seems that non-OE half shafts are a few points on the tech sheet. NA cars had stub shafts, NB cars had the axles that plug in. They are interchangeable physically, but not points-wise. Quote Link to comment Share on other sites More sharing options...
Jer Posted January 9, 2020 Report Share Posted January 9, 2020 Wrong. 1.6 NAs had bolt in half shafts. 1.8 NAs did not. So it depends on the year of the car, and in the case of a swap of ANY NA, either can be used without penalty. Quote Link to comment Share on other sites More sharing options...
Hugh Jass Posted January 9, 2020 Author Report Share Posted January 9, 2020 1.8 NAs built before March of 95 have two piece and after that they went to the single piece according to the link below. http://www.solomiata.com/Drivetrain.html skip to Half Shaft Section I know the differential came from a 94 (NA8 with 334k miles) because I parted out the car myself. If it matters, our racecar is a 92 from the factory that we campaign as a 97 because of the swap rules. 1 Quote Link to comment Share on other sites More sharing options...
Jer Posted January 9, 2020 Report Share Posted January 9, 2020 Using the bolt in 1/2 shafts and the 1.6 diff is asking for problems. Quote Link to comment Share on other sites More sharing options...
55mini Posted January 17, 2020 Report Share Posted January 17, 2020 On 1/9/2020 at 5:32 PM, Jer said: 1.6 diff is asking for problems Nan...........best we could get was about 5 races and then after that about every other race. Move up and never look back! 1 Quote Link to comment Share on other sites More sharing options...
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