You still use the 1.6 ECU as the wiring to change ECUs is not worth the effort. The 1.6 ECU figures out the 1.8 good enough that it doesn't warrant the wiring to swtich them.So you use a 1.8 ECU? It is plug and play ECU wise? I have a 90 as well and would not mind putting a 1.8 in, I want to just swap the motor as easy as possible, dont mind the 5 speed. My clutch and flywheel, everything bolts to the 1.8 motor you said?
I am new to Miatas coming from Honda's and 240's.
Not all 1.6's had the short nose crank, just the 90 and early 91 models. There's a write up about the whole ordeal on Miata.net I believe, from what I gathered it seems to be more of an issue of the pulley bolt either coming loose, stretching from overtightening, or whatever else you can think of which in turn allows the key to not be fully engaged.
If that's the only reason you want to go to the trouble of doing a motor swap, I honestly wouldn't bother. Long-nose cranks can fail just as readily as short-nose if not torqued properly. My 97 is an example
I agree, I have seen just as many (if not more) 1.8's with crank issues.If that's the only reason you want to go to the trouble of doing a motor swap, I honestly wouldn't bother. Long-nose cranks can fail just as readily as short-nose if not torqued properly. My 97 is an example
Why? If he has a good running engine already.To me I'd skip the swap and put in a good running big crank 1.6
I agree completely. I was under the impression that he needed an engine due to wearout or failure. I would run the 1.6 small crank until it dies, then replace with another 1.6