ok im lost i cant decide do i have a r200? its got a roundish cover, its stock in a 79 280zx that had a manual tranny, has 4 bolts where the cv attaches. now ive been told that the r200 doesnt have bolts but what about this
http://cgi.ebay.com/ebaymotors/280Z-280ZX-R200-3-90-DIFFERENTIAL_W0QQcmdZViewItemQQcategoryZ107063QQihZ019QQitemZ290078245551QQrdZ1QQsspagenameZWDVW
or this
http://cgi.ebay.com/ebaymotors/280ZX-R200-differential-stub-axles_W0QQcmdZViewItemQQcategoryZ6755QQihZ001QQitemZ110084985748QQrdZ1QQsspagenameZWDVW
this is how mine is so is it the 200 or the 180?