Josh Brown wrote on Wednesday, October 22, 2008 - 04:17 pm:hey guys not 100% but i think a mini spool is alot less ratio than standard ie: alot more take off /acceleration but not as much top speed, therefor giving you alot of wheel spin very easy. i just put a trd lsd diff in my 91 twin turbo for about 1800 best thing i ever did. and i still got my standard ratio.