i tune my own car so yes

 

FWIW back in the day i was tuned on just a TBE and ran a 12.8. Thru on an intake and ran a 13.5... U need a tune

 

pmed about some question

 

Cause after installing the licp I got 16mpg city where I usually get 20. Idk if it was bad gas or the pipe

 

That's spot on accurate.
Had a tune just to get rid if the crappy oem tune, I did make nice gains considering it was just a k & n drop in filter. & ecu tek ecu protune.

Once I did the ets uicp / ets intake/ turbo xs tbe with downpipe/ 3 port ebc by grimmspeed with a top notch reflash by Sean Ivey.

I netted over 60awhp over stock, I am extremely happy.

Sorry I'm off topic, thought all intakes lean out fuel trim.
Requiring a tune or at the very least a pull on a dyno with 02 wideband to see everything is ok at wot.

Was told to stay out of boost since intake can cause a problem that would end up with a bent valve or worse.

Gl with getting it sorted out, it's a good idea for a tune.
Op you know the stock tune is horrible. I'd tune it just to smooth things out.,you should see some nice gains.

 

No need to tune after an intake install or even intercooler piping and bigger intercooler if that's all the mods you have. Reason being is because you aren't changing the turbos spool up timing like you would by freeing up restriction in the exhaust by getting a full exhaust. You also aren't doing any major upgrades. Youre helping the engine get a little more air thats a little cooler. The stock ecu and injectors can handle and adjust for the cooler air and better air it's getting from the intake system. It's basically like taking your car from an area with a lot of heat and humidity like Florida where the air is less dense and putting your car in a place like Colorado where the temps are much cooler and the air density is higher generally. Hot air kills horsepower. Or like how its better/easier for people to go running early in the morning versus the afternoon because the air is cooler and more dense in the morning...which equals better run times and easier running. Same goes for your engine. Those were only and examples though and I'm not taking into account the elevation differences. The point is denser and cooler air will benefit your car and make it more efficient. Getting tune will only make it better, but its not worth it to get a tune unless u aren't going to mod your car again.

General rule of thumb is gather up a few different mods and put them on together. Then get tuned for them. Its more cost effective that way. And most definitely get a tune if u do anything to the exhaust. Some people say you're ok with no tune with just a cat back exhaust but I will not say yes or no to that. If all else fails talk to a reputable tuning shop for their suggestions on tuning and modding your evo. Hope this helps.

 

Restring my faith my man. Quality info. Wish I could tag cursedsm in this

 

Thank u sir. I'm hear all day. Ready and willing to put my two cents in if I think it will help out.

 

Cars run "worse" in CO than FL due to lack of oxygen, the air is less dense with elevation gain.

 

It was only an example of the temperature differences robbing or adding more power due to hotter or colder air going into the engine. That's why I said I wasn't taking the elevation into account. With a turbocharged/supercharged engine you don't have to worry about the air density and elevation because its going to force plenty of air into the engine. The only time u really need to worry is if you have a carbureted engine where you need to adjust/change out the jets so the air fuel ratio is appropriate for the elevation the car mainly drives around at. And that good sir is why electronic fuel injection is awesome nowadays. No adjustments needed for basic mods or driving across the country through many different elevations.

In Colorado cars don't necessarily run worse... They automatically adjust for the air density and elevation if they're fuel injected. My evo ran great in utah and colorado while i was there. Never felt any differences in power. You can't tell any major differences in performance if its a mostly stock car and to truly understand the power differences you need to put it up on a dyno. The only people that really care about it are race car tuners/builders. Take the pikes peak races in Colorado into account where racers want any and all possible chances to gain better performance. If its a matter of 3-10 horsepower difference if they adjust their air/fuel ratios due to elevation or air density then they do whatever it takes. Normal people simply don't need to do that every time they change locations.

 

Whether or not if you're from Colorado, SELECTA, theres no arguing that for a basically stock Evo it's gonna run fine at whatever elevation it's at.

 

Cars get more hp at sea level period. I was correcting your assumption that you would run better in CO than FL which is false regardless if the motor is boosted or not, fuel injected or carbed. Less oxygen = less air density = less hp.

 

We are getting so off topic here. Ok yes I understand what you mean SELECTA... I was only trying to give a simple example so anyone could understand. That's why I pointed myself out about not taking elevation (which obviously means air density and not atmospheric pressure differences) into effect. almost everyone knows that in magazines or other features where they compair different performance parts against one another like intakes they always list the time of day and the ambient temperature to show that there are differences in HP with more or less dense air. When I was up at pikes peak 2 years ago the Evo i was maintaining and helped build was tuned out in Vegas in the middle of the summer at 106 degrees ambient temperature. That particular Evo saw a drop of only 7 HP near pikes peak during a mid afternoon dyno pull. We expected to see a small gain due to the Vegas heat robbing o2 or we thought it might just even out due to the elevation differences and the the temps. Long story short we installed a water/methanol system to cool the intake air down some more to make it more dense, also to prevent knocking/detonation and it went up 23HP with a low duration of water/meth spray time. Tuning can be tricky at times but had we not cared about getting as much tourqe and HP possible out of the race Evo like the other guys and we just had a street Evo we wouldn't have really noticed a major difference in the driving of it on city streets.

Bottom line is tuning after adding a intake will benefit your car for sure, but if you choose not to then you should not see any negative effects (aside from a small HP difference and possible small mpg change) of it if you installed the intake properly and your Evo was running good and had been properly maintained beforehand. I have found that when guys come and talk to me about their EVOs or other cars/ motorcycles having issues after upgrading parts and or getting tunes, they have properly installed/maintained their rides. Just having a dirty MAF on your Evo can drastically change your air/fuel ratio and in turn your MPGs/ power output too.