hey G fam. Just had a question about the motordyne 1/2 spacer and a cold air intake set up. I'm looking into getting them the same time and installing it. My question is will it make my car run too rich and will need a reflash asap? Or will I be ok with the a/f ratio. Also I will get the osiris reflash after the 2 bolt ons just wondering what am I to expect? Oh the cold air will prolly be Injen cold air or aem CAI still haven't decided.

 

ecu will adjust by its self in time or you can always disconnect the battey for 15mins

 

I don't know a whole lot about the spacers, but I do know that when people put on CAIs, it can richen the fuel mix. Get the car on a dyno and you can see that they usually run a little richer with the CAI installed. Sorry I'm no a whole lot of help. Good luck.

 

the ECU has plenty of room for adjustment. however, it may take a bit of driving for it to fully compensate.

to maximize your modifications, ECU recalibration (tune) is needed.

 

yea I know I will need to tune it. But I was just wondering if it is critical with the 1/2 spacer and intake?

 

Not yet, those were the first two things I did right after I bought my G. Did a Stillen intake and a Bassani full catback and still no tuning. Think I'll wait a while before doing so.

 

I'd wait until after you get exhaust to get the Osiris tune, you're not gonna see real great gains with just a spacer and intake... Also the factory sets the A/F ratios REALLY conservatively on the safe side to minimize warranty repairs and protect dumb people from themselves so I wouldn't worry about any safety issues.

But once you open up both ends (intake and full exhaust) definitely get the tune.

 

im not changing the exhaust the exhaust on the G is pretty good stock, if anything I will do high flow cats. but I'm mostly going for more air but keeping it a sleeper

 

ok I'll wait to get it tuned I just wanted to take off the rev limiter and governor and maybe lean it out a little bit