As far as I know, our Lancer's transmission isn't the toughest one out there. I was just wondering how much horsepower can our automatic and 5speed handle? With just all the bolt-ons, it shouldn't be a problem right? And if we turbo it, should we consider buffing up our transmission with either a better automatic transmission or a racing clutch?

 

You know I was asking myself this question couple days ago. Because sooner or later, I'd like to buy a turbo. I think Road Race might know the answer to this one.

 

The Mistubishi autos don't handle boost well. 6 psi is really the max for them from what I've read.

5spd it's hard to say. No one's really gone about 6 psi so we don't know at what point the stock clutch will begin to slip severely. We do have the same clutch as another car (I think the Mirage) so you may want to try using them as a point of reference. I'm not totally certain it's the Mirage we share a clutch with though. RRM does have an upgraded clutch and flywheel last I checked if you do intend to put heavy strain on yours.

 

Somebody said that if you replace the internals of the engine you can raise the boost on the Lancer, is this true? Because if it is, then I mite as well keep the Lancer. I was thinking of trading it in next year or sumthing.

 

You shouldn't need to replace internals until over 8 psi or so. Supposedly you may be able to get away with a little more, but our connecting rods are really long and thin and our pistons are looking pretty frail too (if you've seen Rob's pic of a piston from a Lancer that ran N20). I dunno now the car would take to the change in timing either. I'm not certain of everything that would need to be replaced, but that's a good idea of what would be in store I think.

 

New guts wouldn't be necessary 'til about 10 PSI if you're careful enough. That picture of the shot piston terrifies me to this day. Wasn't it only a 50 shot to? Ouch.

 

It was repeated 100 shots. Yeah, the forged pistons would be the first thing to buy if you wanted to go above 6-8psi. Rob was also telling me about the lack of oilers for the piston which probably leads to a shortened lifespan with high detonation.

 

Seeing that makes me worry about what people do to their, either knowing or unknowingly, cars... I could've sworn 10 PSI was the upper limit for boost as far as ripping open the block...argh.

 

Auto tranny can't take too much boost, because it can't keep up with the surging power demand from a TC'er.

Manual tranny can take a lot of power, but the stock clutch will fail you wayyyy before reaching +250 HP @ flywheel.

Yes, your conrods will snap with constant boost level +10 to 13. The only time you bust up your piston head is lean condition or ill-tuned. Of course, it's common sense to upgrade or drop CR trying to reach boost over +15 psi.

 

Yes, the mirage 1.8L and the lancer share tranny and clutch components as a cost saving measure from Mitsu.

The flywheel mod only grants you to revs fast, not necessarily grants more HP/TQ. Basially, better powerband control with your manual driving style.

As for NOS burning up the piston, that's caused by too high of CR. The mirage 1.8L can take few 75 shots . . . too greedy, it will blow up. 60 shots are the norm, but 50 shots are on the conservative side. 9.5:1 CR was never meant to take 100 NOS shots . . .

 

Ok I do not know anything about nitrous, what do you mean when you say 50 shots or 80 shots...is that the total amount of times you can use nitrous or is that the shot as in spray pattern in the throttle body area??

 

When you heart "shot" dealing with nitrous it's the hypothetical additional output your motor will be able to produce.

 

Ok that cleared that right up....like a squishy bug on a windshield....you mean as in hp like 50 shot = 50 hp increase or was it 50 shots of nitrous introduced into the fuel/air mixture

 

Shot=additional horsepower...