Chasing new Injector pump for 1hz 80 series Cruiser....

howdy folks...hows things?

My old trusty 1991 80 series injector pump (non tacho) is paying up (making loud throaty noise over the engine noise & power & economy are down). I've found a couple of second hand ones starting from $270 with ~200,00km's & apparently in good nick...so thinking of going for a new replacement instead of fixing/ reconditioing old one...

Questions are:

- What numbers need to match on the IP's plate? Or would any early '90s 1hz IP do the job? eg. 22100-32340

- i'd imahine its smart to change the seals (3 from memory?), these should be easy to chase from an injector place?

- is there anything else i can do to check/ clean the replacement IP before I put it on eg. the tiny fine mesh filter in body of IP.

- as my Cruiser doesnt have a tacho and Ive love one, if I can get a replacement IP with a tacho line, is it easy to then connect this to a tacho on the dash or is it more involved? Are these IP's with a Tacho the same as the IP's without one?

Cheers 4 that guys. Great Forum....

Ro