My son and I have a new to us 1981 T top, 6 cyj., auto. trans. in exceptional overall condition.. Totally ignorant about the earlier car. We are going to rebuild/ replace all that we can. Rock Auto, LMR, CJ Pony pts., is the next stop..... We have an L 3.73 "89" rear axle, 302 engine, 4r70w trans. Lot's of later Fox body parts available. Some questions or direction (did a search here). We haven't tore into her yet.. But will upgrade/renew as much as we can while staying with other/better stock Mustang parts. We are planning on using a 302 engine/ 303 cam / auto trans setup (Have a complete "89" stock K member on hand.). Missing is the master cyl. and power booster. We would like to stay with the disc/drum But are ignorant as to if what later items maybe an improvement? over the 1981 parts?. Would the new 1981 booster will be as good for vacuum retention w/ performance cam engine? Or use later Fox booster & master cyl. since these are missing?. Other directions appreciated Staying as stock as possible?. Next, the lower leather? seats are bad but the upper's are like new.... I haven't seen just the lower's....Some EBay stuff but probably not good quality...Mike
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