93T 94K miles on origional engine MT dp catback high flow cat, Idle set by PO at ~1500 due to wanting to die at stoplights when the brake was applied. Vaccum at 1500 rpm 12in boost pattern 8-8-10. Repeatable stutter/miss/breakup ~5500RPM. No power below 2k (just bogs down) Plugs 10k wires unknown. (new due here the 23rd) I am suspecting a vac leak (and just being tired @ 94K) any ideas on the best place to look?

 

Your vacuum is low . Ported engine =16-17 in, stock port = 18-19 in . Check compression , all filters , vacuum hoses , one way check valves , See if all the plugs are firing . ( spell vacuum ) Where in Tenn are you ?

 

Lebanon ~35 Miles east of Nashville. Thanks

Vacuum

 

Might be time for a new engine.

 

It is time for a new engine.......... almost I am planning on putting one in it in Jan/Feb. I would like to put 6k more on it. 100K on a rotary! I was just looking for the likely suspects.