grinnzOlde? yes. Sensible. hardly? cheers!!
I think they are worth it. Those 2 pieces will make the car feel more lively when you twitch the fun foot.
Electrical gremlins can be brutal. And cause much tail chasing in these modern systems.No codes.
Running rich in vacuum
Running lean in boost
Rev hang
Running rich between shifts
Fuel trims all over the place
Not fun