so whats the bottom line then? ... how much do CAI and exhaust help? ... other then those what other options do i have? maybe a turbocharger or something, i dont know. anything else?

I would like to get a 3.5 ... however anual tax for 2.7 is about 660$ and for the 3.5 its about 2 and a half times that. As ive said...the taxes are really prohibitive. The bigger the engine the more money/200cm3 you have to fork out which is crap if you ask me...there should be a standard tax/200cm3 regardless of how big the engine is and just multiply that proportionally to the engines capacity...but i cant chage it so i have to live with it.

EDIT: Personally i was thinking of adding a Turbo-compressor(i dont know if the term is correct in english) to it. The one that uses exhaust to force more air into the engine. I'm guessing this does require some remaping of the ECU aswell but you get the picture. Is this a viable option??

EDIT nr2: actually that is what you guys call a turbocharger right??...heh...i just realized that...damn language barrier lol...so i guess the question stands then. Why cant i turbocharge a 2.7?? and if i can, then what other parts do i need to chage if any (anything you can think of from intake to exhaust to intercooler or whatever)?? ...for example i saw that Turbonetics have a lot of different turbochargers depending on the cm3 range of the engines it would be installed on.

 

i found something on this site http://www.whiplashsupercharger.com/index.html ... dont know if its any good or not... i emailed them for some info. So i guess ill wait and see what comes up. If this turns out to be legit does it help to also get the aftermarket CAI(does this also help with the cooling?), exhaust and maybe an intercooler??

one more thing...about the rwhp thing...i know the 2.7 has 192hp or so. Is this the actual rwhp or do i have to substract the drivetrain loss from this figure??

 

192 is the rated hp at the crank (motor), so yes, you have figure 16-18% tranny loss from 192.

As far as turbo's, you are going to be charting untraveled water, with probably less then one tenth of one percent of LX owners with a 2.7 upgrading to a turbo, if any at all. Not saying its not possible, just trying explain that there little if any demand that would entice someone to manufacture those modifications. The 3.5 had a small market for such mods, but is limited as well.

A CAI is going to do nothing to cool your motor enough, if at all to help, even the 5.7's have pretty much no cooling efficiency. That's why the offer t-stats when adjusted properly with your fan settings to help keep the engine cooler. I use a 180 T-stat, and never the motoe crest 187.

 

hmm...im getting some conflicting info on forums around the web. Does the 2.7 engine do 192 hp and the crank or 178hp at the crank?? ... i understood the loss thing but i dont know which of the base figures is correct. On the automobile trading website i visit the 2.7 charger is put at 140+ kW so that would be in the 190+hp range. However, in some forums ppl give 178hp at the crank as base which puts the RWHP in the 140hp range.

Im just wondering is the base 178 or 192 hp for the 2.7??

 

2.7 is rated 190 hp at the motor, and I believe mid 140's rwhp. Been awhile since I've seen one on dyno.

 

hmm...odd...thats a big loss...50hp...16-18% would be 34hp or so. Well i guess ill have to look for a dyno test or something. Im still searching for parts and such...good news is ive found someone to remap the engines software which can net me about 30-40 hp or so from what im told...havent talked to them personally yet but ill look into it.

Also i found this on another forum (i have no idea if there is a problem for linking it here so sorry if it is) and the results seem interesting. Theres only a few mods so it doesnt seem that expensive. so here it is...
http://www.chargerforums.com/forums/...d.php?t=123086

 

Would of been interesting to see the graph with rpm's, to distinguish where the power is. Still not bad all things considered. The 2.7 may have closer to 20% tranny loss, like I said it's been awhile since I've seen one on a dyno.

 

just a quick question... would i have a problem because of the gasoline here?? ... as far as i know you use 83-octane or so...here gasoline is either 95-octane or 100-octane. Would any of the components in the engine have a problem because of that?

Also...doesnt a higher octane number mean that the gasoline produces more energy therefore more power???

 

Your sitting great if the worst octane you have is 95! The best I can do locally is 93, but I also add octane booster, which gets me around 99-100. So no problems with your octane.