i just picked up an 1987 RX7 with a new motor and at around 5,000 rippems its cuts out a little bit....possably fuel dillevery problems?>? its not 2 bad but noticable for sure can anyone help??

 

How new is new?

maybe its still breakin in.

have you check the TPS?

is it in range?

Checked the PCV valve?

PCV valve is black has 4 vacuum lines on bottom right next to oil filler.

 

new is 2,000 not that new but its fresh.. he said that he has never takin it past 4,000 since the new motor and i believe him so maby the high R'ss just arnt all the way broke in yet?? you would think after 2,000 it would be good. and what is TPS i will do a search and read up on that havnt checked the PCV valve eather but why would that make it suddnley cut out???

 

because those parts just go bad.



This is just me, but I would give it 5000k. Beside if you rev it up now and its not broken in yet. You will be decreasing the life of the engine later on down the road.