brooklyngenius Posted February 19, 2010 Share Posted February 19, 2010 ok so i already have an intake that I am tuned for. will there be any bad effects if I switch intakes to a bigger intake and dont tune right away? useless signature line where i cant mention my sponsors "First Bagged BL5!" Link to comment Share on other sites More sharing options...
LosAngelesLGT Posted February 19, 2010 Share Posted February 19, 2010 Not flaming BK! Isn't the safe thing to do just to stick with the intake you are tuned for and switch to the bigger one when you retune? Do you do your own logging? I don't (yet) so I wouldn't switch. If you do logging, you could always switch it out and do some logging and see, otherwise what do you hope to gain by switching out before retune? I am asking out of ignorance! Link to comment Share on other sites More sharing options...
brooklyngenius Posted February 19, 2010 Author Share Posted February 19, 2010 well one reason for switching them out is the old one Im trying to sell. I do log so I may just log and see if I see any harm. My feeling is it would cause me to run a hair richer but not substantially. but idk i need a tuner's advice useless signature line where i cant mention my sponsors "First Bagged BL5!" Link to comment Share on other sites More sharing options...
Legend Posted February 19, 2010 Share Posted February 19, 2010 Don't do it. Very bad idea. You can blow the engine. No exaggeration. You will run lean and crappy. If you're lucky, maybe just crappy. My '05 LGT My '07 Supercharged Shelby Link to comment Share on other sites More sharing options...
schwinn Posted February 19, 2010 Share Posted February 19, 2010 ^ +1. Too many people screwing up motors with "simple" intake changes... don't do it. If you MUST, you should take a datalog afterwards, and be sure it's still good... of course, all it takes is one bad/lean run to detonate and kill a motor, so that's a risk you're going to have to take... I wouldn't do it. Link to comment Share on other sites More sharing options...
m sprank Posted February 23, 2010 Share Posted February 23, 2010 Whats the old? Whats the new? You need to rescale the MAF readings. If you don't have a wideband O2 you could use romraider to get the closed loop close. But not open loop (no boost!). You might find a member willing to share the scaling with you if they have a tune for the same intake. I have the scaling for a K&N Typhoon, but that is all. Link to comment Share on other sites More sharing options...
bnguyenbb6 Posted February 23, 2010 Share Posted February 23, 2010 Just stay out of boost,go easy on the car until you get your maf rescaled and your tune for the fmic(I'm assuming this is why you are getting a new intake). Link to comment Share on other sites More sharing options...
05lgt5spd Posted February 23, 2010 Share Posted February 23, 2010 Don't do it. Very bad idea. You can blow the engine. No exaggeration. You will run lean and crappy. If you're lucky, maybe just crappy. always consider the worse case scenario^^^, and If you spend some time on here you will find this is incredibly common Link to comment Share on other sites More sharing options...
brooklyngenius Posted February 23, 2010 Author Share Posted February 23, 2010 yeah thanks I figured as much guys and I just left the old intake on until I do my turbo swap and tune. my parts pile is getting rediculous. the wifey is gonna get mad when I take most of the closet with parts lol useless signature line where i cant mention my sponsors "First Bagged BL5!" Link to comment Share on other sites More sharing options...
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