Hitman47 Posted December 14, 2002 Share Posted December 14, 2002 Can someone explain to me im a rookie at the z`s i have owned and work on only solid axles. What does weld up the diff mean? And can someone list the strength of 180 200 and 230 rear ends and what are half shafts? Quote Link to comment Share on other sites More sharing options...
Guest Anonymous Posted December 14, 2002 Share Posted December 14, 2002 half shafts are u jointed (on both ends)swing axle tubes that connect on each side to a stationary rear differential and a stub axle on the hub carrier ie: Independant Rear Suspension (IRS) Welded up diffs are / is a very old hot rod cheap welding technique to lock both drive axles to turn at the same time..ie: Limited Slip Differential (no slip at all )Ya need to do some research and reading Hitman.Here is the listing on Z diffs. 160:light 180:medium 200:heavy and the diff in the Q 45 is: heavy duty. Quote Link to comment Share on other sites More sharing options...
johnc Posted December 15, 2002 Share Posted December 15, 2002 To weld us a diff (any diff) you open it up and weld the spider gears together (plus a couple other things I thkn). This stops the differential action and gives you a solid axle. Quote Link to comment Share on other sites More sharing options...
Guest harth Posted December 17, 2002 Share Posted December 17, 2002 I,m thinking of welding the r-200 in my 1975 280Z. My question for you guy's is will the stock half shaft's and U-joints hold up? It's driven on the street, the motor is rated at 355hp, the tires are 225-50-16 z-rated. Quote Link to comment Share on other sites More sharing options...
Scottie-GNZ Posted December 17, 2002 Share Posted December 17, 2002 If this is a car that is primarily for the track and sees the street every once in while, it is a cheap solution that works well on the strip as long as you are willing to make the sacrifice on the street. If this is driven a lot on the street, you will not like the welded diff. Quote Link to comment Share on other sites More sharing options...
ZR8ED Posted December 18, 2002 Share Posted December 18, 2002 I drove with a welded diff for 2 summers.. VERY hard on the arms to steer. I wore out new U joints rather quickly... very hard on my street tires they drag the inside wheel in corners, and I found for tight tracks, the car wanted to understeer noticeably more. GREAT for hole shots drag racing!! My car consistantly pulled under 2 sec 60'ft times with reasonable street tires. In general I would not recommend this solution for the street... Parking lots alone where murder, and pushing the car around in the shop needed 4 to 6 guys to push it!!! (dragging the inner wheel remember) Quote Link to comment Share on other sites More sharing options...
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