How bout' a 2g alti turbo?

[Steeliez]

Hello all, So Im the proud new owner of a 2g altima. (Was kinda goin for a 240, but insurance kinda sucks when your 18 and have an at- fault accident and 2 speeding tickets...decided I had better go with the 4 door sedan... ) Anywho, I have sourced a few parts for a nice little ka-t setup on my alti. (To my knowledge I'l be the first ka-t altima running a hacked maf setup with 370's...correct me if Im wrong.) UNFORTUNATELY, my cars an automatic. Ive done some searching around and found a few members here and on freshalloy running ka-t auto's with about the whp Im looking to produce (~230) who havent had any problems as of yet. Ultimately my big question is, does anyone know if the internals of the FWD transaxle for the 2g altima are structurally different from those of a 240's transmission? Have you heard of any reason why it would be a REALLY bad idea to throw more than a couple bolt-on's worth of HP at this transmission? Ive looked into a auto-man swap in the past, but a 5 spd transmission for a 2g is a bit of a ***** to source. Plus Im a bit to "adhd" to drive anything that involves changing gears on a regular basis. Anywho, Id appreciate any input. Seems like an awsome community for ka enthusiests.(sp?) whatev..

[turbo98_240sx]

Welcome to NICO and it sounds like a good plan, IDK anything about the alti tho so I can't get into details about trans Internals and all that good stuff, I can't think of any reason why it would be a bad Idea to hit up some mods to the ulti, I've seen set ups putting down 220+hp and no problems with the auto trans, you would have to look into it more tho because I'm not an expert in the alti situation or anything like that I just havn't herd of problems arising from the extra power thrown at the trans. You should check out ultimatuc his alti seems to be nice and putting down way decen power, there is a alti section on the forums and you could try there to maybe get some info also, I know there are a few more alti's around but I can place them off hand...... oh Checkered-Member also has an alti that I think is an auto and has a turbo setup. To find stuff about them use the search button on the top right of the screen, if flashes too, most n00bs miss this button but this lil button will come in handy so much but anyways you can look them up or post that they have started I think if you can get to the search page you should be able to plug in there names and get some info or at least a way to contact them and ask them about there setups and what not if nothing else besides I'm sure they will be happy to help you out.I hoped this helps at least a lil bitPeace,Pat

[turbo98_240sx]

oh yeah http://www.cardomain.com/ride/1499134 is "Checkered-Member" cardomain page you should check it out I feel he has one of the better altimas around.

[Steeliez]

Wow...Thats one freekishly clean altima! Im really impressed. Im going for more of a daily driven granny car turned sleeper than a kitted, shaved, "pretty" car, ya know? But the drum-disk swap in the rear sounds interesting tho. but anyways...

well in that case I guess Ill go ahead and order me a decent IC and BOV and go from there! I know its a bit of a tabu, but I honestly just dont have to cash to get to the dyno for at least a month.

How redicuslosly dumb would it be to turbo with a hacked maf setup and have it only narrowband tuned for a couple weeks to a month? I mean, If I can be relatively sure(as sure as I can be with only a narrowband...) that Im running rich, is there really THAT big of a risk. (I bet Im gonna get FLAMED for this one...) Its not that I dont WANT to have it wideband tuned right away, but turns out that college crap is really expensive....

[turbo98_240sx]

Well a narrow band us realy usless for tuning, partly because you don't know how rich your running. I would have to say wait for a few other reasons one of witch is that hacked MAF is not an exact science coupple that with a narrow band and I just can't see any good coming out of it. I know the feeling of wanting to get it up and going, I too had this prob but think about how much more it would cost to replace the motor should something go wrong. Not even in shear cost even more in time spent wasted along with effort.

[nismo1003]

I've been driving my Altima for 2 year now ( At 16psi), the transmission held pretty good, be prepare to get some sticky tire, I have a LSD transmission and it helps alot. I used a hack maf before. but just get a system to control ur fuel system w/ wb02

[Steeliez]

Thats awsome news. Guess I wont be a pioneer of the hacked maf on the alti... ...oh well! I have decided to go balls to the walls and blow ungodly amounts of money on the alty. Only live once right? Plus, subsidized loans arent so bad right? anywho, I have just purchased a BAILEY AFM-1. Im pretty sure thats the same WBO2 that my local tuner uses..and I managed to snag it for ~175 US shipped...So im pretty psyched about that one. http://cgi.ebay.com/ebaymotors...%3AIT

Other recent purchases include:a SSQV lookalikea crappity crap crap SMIC from a 2g dsm,2.625 id aluminum tubing for mafspare 2g maf to fck up just incase I prove worthless at hacking a maf...370cc's from an srsome cold plugs (heard some people on a diff forum having weird problems w/ stock heat plugs...so I went with the NKG's that are I believe 2 steps colder...)...and some other random crap... cone filter, clamps, couplers...random sht...

The only thing I am lacking is the time right now. Luckily, Fall break is only like a week away, so if all goes as planned and I get all my parts in a orderly fashion, Things are looking good.

ONE MORE CONCERN THOUGH:

Just in case my calculations prove to be way the hell off, should I go ahead and invest in a adjustable FPR to richen/lean out my base fuel pressure? I know Orion ran a tid bit lean with 2.75" id so he bumped up his base fp a few psi, but I managed to find a SLIGHTLY smaller diameter pipe.... so do you think it would be worht the immediate investment?

Also, where would you reccomend I purchace a Fuel pump? Are you running a walbro 255? They are damn reasonable on ebay so Im thinkin about getting one before TOO long after I boost...but I need to work off the massive expenditures Ive made in the last week...(Plus ANOTHER ticket...this one for 16 over...jesus) Any other reccomendations on fuel pumps though guys?

[Nismo_Freak]

Nothing funnier than a FWD car doing the one wheel peel.

[Steeliez]

...except for an auto fwd doing a one wheel peel....

I really like the fact that absolutely NOONE will suspect that Im pushing 200+ to the wheels in the granny-car.

On a more serious note though.... Where the hell did you find a lsd!? Did it come stock on some random year/model or does nismo offer one? Ive been looking around, cant find a damn thing...would be nice to have a littttle bit of traction(As nismo_freak so elliquently mentioned

Also, what diameter pipe did you use for your hacked maf nismo1003? Did you run any other type of tunable fuel management to supplement it or just straight hacked-maf?

Thanks again for all your input guys..

[Kenrik]

I think Altimas are ugly... I would hate to loose to one hahha turbo it!!

[Steeliez]

Exactly! And thats what Im goin for: The complete and utter demoralization of lightly modded sporty econo-cars that think that they are the sht to end all sht. I think the main reqason I want to go turbo is to embarrass people.......and to go fast.

[Steeliez]

OK. Its time to get this ball rolling. As I am waiting for all of my "turbo accessories" to pile up in the mailbox, I have started work on my fuel system. Ive gone ahead and hacked up my maf and thrown it into the 2.625" ID tube. I must say, I think that I stick weld better than I JB weld...I got that **** everywhere. But oh well, It dosent have to be pretty...its going on an altima...

ANYWHO, Is there anyhting I should do to the injectors to prep them before I install them? (The O-rings look to be in perfect condition) I planned to have them blueprinted, but its just not in the budget...puls, theyre only 370cc injectors, the blueprinting would probably cost as much as I paid for them.

So heres a Pic before the crappy JB weld infected the beast...



And the Injectors Ill be using...



Once I recieve my wideband Ill go ahead and install the maf and injectors and report back with some N/A AFR's. Then we'll go from there

[Steeliez]

OK! so I got the injectors in after about 3 hours of fcking with those damn inj-cap screws... Everything looked good. I threw on the hacked maf w/ cone filter...still good. Ghetto wired up my WBO2 to emulate the stock 0-1v O2 sensor so I dont throw a code....gravy.

I throw the fuel-pump fuse backin and hook up the neg terminal again...oh the anticipation! Start it up!!!! Idles like c***... I look at the wideband...11.7:1 afr's @ idle...****. I mean thats an UGLY idle... I decided to go conservatice with my maf pipe...I think I went a bit too conservative...oh well!!

Some sort of afc (Prob. an safcII) will be the next purchase! But the hacked-maf wasnt a total loss...It got me close to the correct afr with the 370's so tuning it shold be a breeze. Plus, I knew I would need an safcII for its nifty decel. feature with my ssqv...because whats the point of getting an ssqv if you dont vent it??? Anywho, just keeping you posted. If you would like to see some pics, Ill take some. The next chapter is getting it afc tuned and boosting to ~5psig. Such excitment...