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Author Topic: Free Horsepower...  (Read 176207 times)

zique

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« Reply #1335 on: April 14, 2005, 11:21:01 PM »
Quote
Originally posted by boosting
thats a secret


aww com'on..be nice..do tell:(

PlasticStan

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Free Horsepower...
« Reply #1336 on: April 14, 2005, 11:49:54 PM »
Has anyone tried altering the adjustment screw on the side of the afm?

Would making the reading a bit lower fool the ecu into staying out of the area of ignition and fuel maps, where it retards the ignition and richens the fuel, when you're running higher boost?

A bit like an safc but you could only change the afm value over the entire rev range, and not at specific points.

icydude

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« Reply #1337 on: May 04, 2005, 02:07:49 PM »
im goign to gut my cat on my 1990 gtr.

the cat will be put back in but will be empty.

what am i to do with the temperature sensor?

SR beast

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« Reply #1338 on: May 04, 2005, 11:46:38 PM »
I'll boost my r33 gt-r v-spec to around 20 psi after dayz for the drag over here :D

the car has full exhaust,pods,arc intercooler, std everything else..

Would 20 psi be ok..for awhile on high octane fuel  ?

TINDUCK RACING

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« Reply #1339 on: May 05, 2005, 09:59:57 AM »
Quote
im goign to gut my cat on my 1990 gtr.


.....either leave the sensor in the gutted cat, or just tie it up out of the way.....
....I might be wrong, but I think all it does is warn you if the cat is in danger of overheating....and lights the management light....nothing to worry about if theres no cat there to overheat??

....or does it detect if the exhaust gas is over rich in fuel? I can't remember lol....

......either way, is it safe to just leave it there???

Take care all,
JonB

bluntsmoker

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« Reply #1340 on: May 05, 2005, 08:29:48 PM »
You need to earth the wire.

 I would say 20psi would f.uck your standard turbos

icydude

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« Reply #1341 on: May 06, 2005, 04:02:22 AM »
Quote
Originally posted by TINDUCK RACING
.....either leave the sensor in the gutted cat, or just tie it up out of the way.....
....I might be wrong, but I think all it does is warn you if the cat is in danger of overheating....and lights the management light....nothing to worry about if theres no cat there to overheat??

....or does it detect if the exhaust gas is over rich in fuel? I can't remember lol....

......either way, is it safe to just leave it there???

Take care all,
JonB


worked fine.plugged the hole with a nut and tied the sensor to the heat sheilding.

nizmoracing

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« Reply #1342 on: May 30, 2005, 06:12:21 PM »
sorry to be a hassel guys, but theres 54 pages to look thru to find the info i really want and need by tonight,

i have a hks foam pod, but im going to get a new pod,
what brand would you recommend, i have seeen alot of people using the hks but i duno, whats best

cheers

zique

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« Reply #1343 on: May 30, 2005, 10:22:10 PM »
do a search on it but I heard the Apexi one is really good..

R34MAN

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Free Horsepower...
« Reply #1344 on: July 07, 2005, 10:16:05 PM »
Is there any good modifications that you can apply to a 2.5 neo engine to get good horsepower increases???

zique

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« Reply #1345 on: August 18, 2005, 08:52:24 PM »
you can do a search for that R43MAn but getting a 2inch-2.25inch exhaust and pod filter..with a cold air box do some good...Port and polish?
Or even turbo it..lol.


http://www.skylinesdownunder.com/forums//showthread.php?s=&threadid=44659&highlight=gts25

chubz

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« Reply #1346 on: August 21, 2005, 09:01:14 PM »
OMG!! long ass thread... i need a laptop so i can take it to the toilet, ah yes the place where everyone likes to read. im gonna have to start from scratch here. oh and thats one mean cold air box tinduck! its just made my to do list
Sanity is relative

OMFG!!!! its LEGAL

mofo

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« Reply #1347 on: January 19, 2006, 11:15:19 AM »
just too add - ceramics are only really good for around 12 psi - mine blew running at 13psi
North South is just right

DEVEUS

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Ceramic Turbo Boost Levels
« Reply #1348 on: January 19, 2006, 11:43:24 AM »
Nissan ceramic turbo's will boost up to about 16-18 psi max before the exhaust wheel over revs and comes apart.  If the turbo ceramic exhaust wheel comes off at boost levels lower than this then that turbo has had a hard life and is highly worn out.  There is no way the wheel shoud detach below these levels.  I personally have run 16 psi on a std turbo having done 240,000 km's and never had a problem!  Std GTR Turbos will go to these levels at least and they have ceramic wheels as well!

DannyKibzR33GTsT

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« Reply #1349 on: January 22, 2006, 04:54:28 PM »
common now, any owner of even a near stock skyline gtst should know that 180km/hr comes on in a fair hurry considering :) . To try and help the original post by JonB here goes. :karate: Sorry its long just trying to help out

Exhaust is a must, a nice Jap-Spec 3inch system with HFlw cat and dump pipe will bring another 20kw to the party with around an hours work. Essential for any other stuff as well. Its your first step to increased cheap power on a factory skewie. WHen i first purchased my car it was fitted with a momo 3inch system (dump pipe all the way back) and other than that sweet *@#$ all else. It smashed 180km/hr no probs at all, with the spped limiter removed we cranked her all the way to 230km/hr on a 3k stretch.

My experiance with bleed valves and skylines are all pretty much negative. Like >>> i found that even installed with the bleed valve running back to the actuator, boost increase was very very small, spike was hard to control even after trying several different restrictors. Most importantly the power of the car (esspecially under spool) was decreased noticably.

Air pod filters are great budget upgrades for any car, skylines in particular because the airflow meter reads directly behind the air box mount. Fitting a nice high flow, smooth flowing pod filter means more airflow, at a smoother rate giving a better read accross the airflow meter. Power increases may not be overly noticable, but fuel efficiency and engine response are increased quite nicely (especially after factory ecu reset to take advantage of higher flow). Also quality pods have an unbvelievable induction roar that bring a smile to my face every time (i run a Blitz type LM it sounds like a jet turbine sucking under heavy spool)  

Regards to factory turbo durability?, there is no durability really over 12psi or so according to everyone i have ever met. SOme get lucky but most dont. A cheap option is a high flow rebuild, as little as $1200 if you shop round and do fitting yourself.

Call me old fassioned but i think actuating the boost should be left the professionals. I have just got my car back from Advan, the Trust Solenoid Type S boost controller they have installed in conjuction with other mods is putting out a dyno proven 247rwkw at only 14psi. Its safe, reliable and feels very strong. Money well spent in my opinion.

Hope some of this dribble helps out ;)