VQ boys......parts, problems, upgrades, swaps, boost
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cacasplat3 punchin NOS
Joined: 29 Jul 2005 Tech posts: 3170 Location: Where Fuel Is Cheaper Than Bottled Water...... My 2NRide:
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Posted: Sun Nov 05, 2006 12:35 am Post subject: |
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Knight1, good advice.
i was considering the vent filter,(open air) and also the OCC, the OCC is too expensive and i always thought that it was mainly a boosted application, cuz its not like i rev high or i put out huge amounts of power and torque.
since i'll be building a cold air intake soon, i think i'll get the vent filter, that way i have one less piece of tubing running to the new intake, so that means less aluminium welding and the filter is like $110 for a K&N
as for the fuel filter, it was discussed here a couple pages back, that the car dosent have a filter but an in tank strainer that should be replaced once the car hits 100,000km
i've used those fuel treatements only once or twice and that was when i now got the car almost 3 years back. never used them since, cuz of many posts here on tuner advising not to use them.
i would love to feel how this car moves with good gas and not the piss that np sells us, although some cars perform reasonibly well on the crap we have. |
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Chiney punchin NOS
Joined: 03 Apr 2005 Tech posts: 3013 Location: Maracas,St.Joseph My 2NRide: Nissan Wingroad
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Posted: Sun Nov 05, 2006 1:24 am Post subject: |
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srry bout the late responce jed.. real work..
and knight1 is right... yuh rubber tubing are at risk with that cleaner..
as for your intake and TB.. cleaning it like every6 months ore 10,000km wud be nice.. or if u board.. ah lil more..
TSC got the wrong strut for me and i eh want the oval silver one he offer.. i rather do without..
so i will update wen things are done according.. right now i hadda get new front tyres as the car shims at 80-100..
tested everything and boiled down to the tyres and the left rim..
new rims comin soon...
after i pass 100.. the car flies smoothly.. |
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Knight1 Shifting into 6th
Joined: 17 Aug 2005 Tech posts: 2014 Location: On terra firma My 2NRide:
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Posted: Sun Nov 05, 2006 7:32 am Post subject: |
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| Quote: | i was considering the vent filter,(open air) and also the OCC, the OCC is too expensive and i always thought that it was mainly a boosted application, cuz its not like i rev high or i put out huge amounts of power and torque.
since i'll be building a cold air intake soon, i think i'll get the vent filter, that way i have one less piece of tubing running to the new intake, so that means less aluminium welding |
Here;s my advice on a CAI
1) Get a ready made CAI which will have a bypass feature (to short ram intake) when having to drive through water/ flood/ lots of rain.
2) Make sure that the CAI piping allows for the MAF sensor to be mounted in the same "relative" orientation as in the OEM piping. Remember that the MAF is calibrated for a certain position (yes it is!!), and if you play around with the air flow too much (as in the case of an aftermarket intake), then the MAF may not give the proper reading, and my run too rich or too lean. This is especially applicable to custom made CAIs. You want the MAF to be mounted in such a way, that the piping just before the MAF mimics what was found on OEM.
| Quote: | | i would love to feel how this car moves with good gas and not the piss that np sells us, although some cars perform reasonibly well on the crap we have. |
Well, I don't like the gas either...more RON would be nice. But our gas isn't exactly crap liek most people make it out to be. Most of the components blended in the gas have 100 RON octane, or more! But lets think about this for a second....the gas leaving the refinery IS 95 RON octane. That's more than some other countries get. And many sports cars (N/A anyway) require a minimum of 95 RON octane. |
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Chiney punchin NOS
Joined: 03 Apr 2005 Tech posts: 3013 Location: Maracas,St.Joseph My 2NRide: Nissan Wingroad
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Posted: Sun Nov 05, 2006 11:35 pm Post subject: |
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that right on the gas.. its isnt as bad as we think.. jus maybe they shud put gas ALONE in the gas station gas storage.
your idea for the CAI knight1 is not bad.. but the need for the byfas isnt needed.. caca doesnt have to put his CAI all the way there.. and the bypass will only work if the filter is submerged in water. once he can source ah spot for air to come through while driving.. the project can den be done. if u lookin to go so low.. den u will need to spend ah good amount of money to protect that filter... ah good place is where the stock filter gets its air from.. i had the chance to look around and play around in an a33 bonet.. the space the stock filter and harness takes up, once removed u have alot of space and the piping/ filter can be mounted EZ there.. and trust me.. u will get the cold air u want.. jus like it waz gettin with the stock.. and with the pipin the air flow will increase..
but thats jus food for thought  |
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A33_VQ35 Trinituner Peong
Joined: 30 Apr 2004 Tech posts: 428 Location: Nowhere/Everywhere My 2NRide: NISSAN CEFIRO A33
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Posted: Mon Nov 06, 2006 7:59 am Post subject: |
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Knight1 Reading up in the FSM it says that the 10W30 oil it good at +38degrees. that is good enough for me. Remember that there are tight clearances in there so while u don't want to run anything to thin u also don't want to run anything to thick. I have used as thin as a 5W30 on my last car(B14) and that was only for 1 oil change. then i switched back to 10W30. Been using it more than 1yr now and no oil related engine problems.
For me i sticking with it. If nissan say so i usin it.
Good reading fellas. Engine here already. Waiting on word to go collect. Will keep u guys posted. |
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cacasplat3 punchin NOS
Joined: 29 Jul 2005 Tech posts: 3170 Location: Where Fuel Is Cheaper Than Bottled Water...... My 2NRide:
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Posted: Mon Nov 06, 2006 10:21 pm Post subject: |
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plenty info boi!!!
chiney, i getting sum erratic idle cuz of cleaning the trottle body, i think its cuz the ecu has to re-ajust its settings to compensate for the new environment.
got to remove the battery terminal and let the ecu reset then i'll know for sure.
as for the strut bar, well i took it, cuz the order was mixed up with mine too(actually it wasent mixed up but megan racing dosent make the wide bars just the oval ones for the maxima{A32 and A33}) but the oval one is solid, quite strong and trust me i took it cuz of performance not style. and trust me it WORKS!!!!
(did a couple hard 180* turns and a few hard corners on the rally stage in chagauramas this afternoon), man the bar made a big difference since the last time i went there.
i noticed my tires cutting badly, got to locate a good set, most likely its dunlop's again
knight1, good point but as chiney mentioned where i'm going i dont need the bypass, cuz i not that foolish to put my filter less than 18 inches from the ground
if i get yur point about the MAF placement correctly, u mean that i i should mimic the original intake just before the MAF for it to get proper readings? thing is the original position was just after the filter and the air changed direction while passing the filter (almost a U turn in the air stream), and honestly i skeptical about even putting a 90* in my CAI but it has to be done.
also, about the gas they SAY we get 95, but thats what np ships abroad, we get the lower grade fuel, thats why sti's ping soo much, i have a friend who did tests on the gas and it isnt what they say it is. but i agree with chiney, we get too much crap with the gas, like water and sediment.
chiney i get wah u mean bout placing the filter, but i still think that its too close to the radiator, and its wasting money if i put it there, yes it would get some cold air but IMO its not enough, cuz the filter is still exposed to the engine heat and in addition the radiator, when the car is moving, it would be all good, but on a hot day in medium traffic, can u imagine the loss of power
thats why i choose to put it inside the bumper, on the side, just infront the wheel well. one hole would have to be cut, but all that still isnt confirmed.
rodney, how much do u pay for 10W30? i still need one quart again, cuz after putting in one gallon, the level is still too low for my liking, i'll put in one more quart and my mind would be at ease
rodney, why u doh get ah gearbox? it go be more work with the clutch and the exra pedel and the addition of the shifter and other things, but in the long run i think it would be worth it
well on the rally stage i got the opportunity to do 2 handbrake assisted u-turns a.ka. jackass drives
honestly it felt good that the car could do it on loose wet gravel and on a concrete surface, the concret part is actually quite smooth and a good place to pratice drifting, but i doh have ah RWD so i go mellow.
would keep u all informed!!! |
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Knight1 Shifting into 6th
Joined: 17 Aug 2005 Tech posts: 2014 Location: On terra firma My 2NRide:
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Posted: Mon Nov 06, 2006 11:03 pm Post subject: |
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| Quote: | honestly i skeptical about even putting a 90* in my CAI but it has to be done.
also, about the gas they SAY we get 95, but thats what np ships abroad, we get the lower grade fuel, thats why sti's ping soo much, i have a friend who did tests on the gas and it isnt what they say it is |
Trust me on the gas "cacasplat". I've been part of the testing myself I don't know what your friend told you, but I AM sure that the gas that NP loads onto the tankers at Pointe-a-Pierre is 95 RON. There have been cases where the gas may exceed the RON spec by a little....and the premium gas may actually be closer to 96 RON in some cases.
Whomever told you about us shippingout 95 ROn and selling a lower quality needs to get their facts straight...ASAP. We supply gas quality based on demand /markets. So, we can actually ship higher grade gas (98 RON etc) abroad, as well as lower grades (89, 91)....it just depends on who wants what.
STi's ping on local premium because the Ecu tries to advance the ignition timing to get more power.....advancing the ignition timing leads to pre-detonation.
| Quote: | | ike water and sediment. |
That junk actually comes from the gas station where you buy....not the refinery. Try to buy from a "Quik Shoppe" or a newer gas station. They tend to have newer tanks, with less chance of such junk getting into the gas.
| Quote: | man the bar made a big difference since the last time i went there.
i noticed my tires cutting badly, got to locate a good set, most likely its dunlop's again |
Check your camber, caster, alignment, and of course, take a look at your bushings while you're at it. Most new cars come with gel-filled bushings which give a heavenly ride, but sure don't last on local roads. I'm replace mine with Polyurethanes from Energy Suspension. Those bushings make a surprising difference when it comes to handle and ride stiffness - the car will feel a bit stiffer. And locally made "poly urethane" bushings can't compare...you have no guarantee that those local made ones are perfectly symmetrical, or will fit properly etc etc etc.
If you want better handling, look at upgraded swap bars for instance, along with stiffer sway bar endlinks/bushings. I'm not sure which brands would make thicker sway bars for the Maxima / Cefiro. Maybe Cusco ($$$$), or Whiteline perhaps?
| Quote: | | if i get yur point about the MAF placement correctly, u mean that i i should mimic the original intake just before the MAF for it to get proper readings? thing is the original position was just after the filter and the air changed direction while passing the filter (almost a U turn in the air stream), and honestly i skeptical about even putting a 90* in my CAI but it has to be done. |
yeah..try to mimic it IMO. This goes for the pipe bends, as well as the actual locaton of the MAF (be it to the top, a little to the side etc.).
| Quote: | | cuz the filter is still exposed to the engine heat and in addition the radiator, when the car is moving, |
That's why you should always invest in a heat shield for your conical filter. |
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cacasplat3 punchin NOS
Joined: 29 Jul 2005 Tech posts: 3170 Location: Where Fuel Is Cheaper Than Bottled Water...... My 2NRide:
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Posted: Mon Nov 06, 2006 11:16 pm Post subject: |
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got yur point on the gas,
but just to add, the bad tank of gas i got a few days ago was from the quicke shoppe in debe everyone complains that the gas is bad there, i guess they dont maintain the tanks.
about the suspension mods, i'm not reall go into spending more money on the car as it is, cuz i'm going diesel soon. for now i'll do the cold air and mabey headders if the price is right.
i e-mailed energy suspension a while back but they have nothing listed for my car
as for heat shield, i'll wont need it if i go CAI  |
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Knight1 Shifting into 6th
Joined: 17 Aug 2005 Tech posts: 2014 Location: On terra firma My 2NRide:
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Posted: Mon Nov 06, 2006 11:24 pm Post subject: |
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Diesel?
NOOOOOOOO!!!!!!!!!!!!!!!!!!!!!
At least ah hope it tuhhhhbo.
| Quote: | for now i'll do the cold air and mabey headders if the price is right.
i e-mailed energy suspension a while back but they have nothing listed for my car |
4-2-1 headers maybe? 2.25" exhaust....nothing bigger than that IMO. Bigger exhausts will seriously rop your low end torque.
What about a catback? |
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cacasplat3 punchin NOS
Joined: 29 Jul 2005 Tech posts: 3170 Location: Where Fuel Is Cheaper Than Bottled Water...... My 2NRide:
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Posted: Mon Nov 06, 2006 11:50 pm Post subject: |
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diesel would be turbo and the car would go back to my mom.(who only cares about not burning excesive amounts of gas)
headders would be 6-2-1 since is ah front wheel drive V6, the 2 part would be really long to make up the length.
i dont thnink i'll do anything to the OEM piping except de-cat and take out the resenator, but still not sure cuz i not versed in the exhaust department.
i was thinking 2.25 or 2.5 since i've seen online, 2.0l running 2.5 exhausts and sum non turbo SR's here on 2.5 as well
but i want to get the cold air out of the way b4 i move on to the exhaust  |
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Chiney punchin NOS
Joined: 03 Apr 2005 Tech posts: 3013 Location: Maracas,St.Joseph My 2NRide: Nissan Wingroad
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Posted: Tue Nov 07, 2006 12:01 am Post subject: |
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here na hoss..the CAI seems to be ah headache for u.. and all the talk about the gas.. nothin goin change.. so jus live with it...
that CAI seems to have u bz hoss..
i wish there waz somewhey we cuda meet up and check out de scene..
as for resettin your ecu.. take off the neg pole.. and wait 5 secs.. touch the pole back with 1 sec intervals for 5 times..to its like u tappin the pole with the wire for 5 times with 1 sec interval.. u might see some sparks.. thats ok..
then wait 1 minutre and plug back up |
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sr20ve 3NE 2NR Power Seller
Joined: 13 Apr 2005 Tech posts: 828
My 2NRide:
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Posted: Tue Nov 07, 2006 12:23 am Post subject: |
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| this thread to long to read through ...but i saw a VQ30DE RWD (2005 Nissan Gloria Engine)in the Bamboo today ...they was asking 15000 for it though ... |
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Knight1 Shifting into 6th
Joined: 17 Aug 2005 Tech posts: 2014 Location: On terra firma My 2NRide:
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Posted: Tue Nov 07, 2006 5:20 am Post subject: |
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| Quote: | | as for resettin your ecu.. take off the neg pole.. and wait 5 secs.. touch the pole back with 1 sec intervals for 5 times..to its like u tappin the pole with the wire for 5 times with 1 sec interval.. u might see some sparks.. thats ok.. |
If you disconnect the battery for a few minutes, the ECU will reset itself. No need for the "sparks" business. |
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Chiney punchin NOS
Joined: 03 Apr 2005 Tech posts: 3013 Location: Maracas,St.Joseph My 2NRide: Nissan Wingroad
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Posted: Tue Nov 07, 2006 8:24 am Post subject: |
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^^ waz sharing de info i got... we all learn dont we??
that vq30de rwd engine is rare.. read about it as well.. under boost it can produce 320hp ez!!
nice engine... |
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A33_VQ35 Trinituner Peong
Joined: 30 Apr 2004 Tech posts: 428 Location: Nowhere/Everywhere My 2NRide: NISSAN CEFIRO A33
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Posted: Tue Nov 07, 2006 9:52 am Post subject: |
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PIPE DIAMETER GUIDELINES
Some basic exhaust pipe diameter guidelines for non-turbo cars are as follows:
1,500cc-2,000cc engines : 2-inch
2,100cc-2,500cc engines : 2.25-inch
2,600cc-3,000cc engines : 2.5-inch
Add half an inch to the pipe diameter to optimize for nitrous oxide use because of the increased exhaust gas volume. Remember this may be too big for optimal operation when you aren't on the bottle. For turbocharged engines, 2.5-inch is the minimum size pipe that you would want to run, even for the smaller engines. For 2,000cc and bigger engines, 3-inch works well, and for bigger engines the biggest (usually 3.5-inch) you can find is appropriate. It is almost impossible to have too big of an exhaust on a turbo car.
cacasplat3 Some info for you. taken from: http://www.magnaflow.com/05news/magazine/05sportc.asp
Should be a good guide for everyone. |
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cacasplat3 punchin NOS
Joined: 29 Jul 2005 Tech posts: 3170 Location: Where Fuel Is Cheaper Than Bottled Water...... My 2NRide:
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Posted: Tue Nov 07, 2006 8:41 pm Post subject: |
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Chiney, the intake isnt a headache, is just that material a little hard to get cuz of ppl stuff getting stuck on the port and i doh really have time between classes and being busy on weekends to get the other stuff needed. doh worry we go meet sooner or later
will try reseting the ECU later
i never came across the VQ30 RWD but i come across the VQ40 online, man that thing sweet for days, imagine the torque
rodney thanks for the info, but just to point out sumthing in this
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1,500cc-2,000cc engines : 2-inch
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a 1500 engine with a 2inch is one thing and a 2000 engine with a 2inch is another. what i'm trying to say is that i think that diameter should be determined by the hp of the vehicle, and not engine size cuz 1500's produce about 95~120 hp while 2000's make anywhere from 145~200hp i think for the vq20 2.25 should be a good size to go with  |
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Knight1 Shifting into 6th
Joined: 17 Aug 2005 Tech posts: 2014 Location: On terra firma My 2NRide:
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Posted: Tue Nov 07, 2006 10:02 pm Post subject: |
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| Quote: | a 1500 engine with a 2inch is one thing and a 2000 engine with a 2inch is another. what i'm trying to say is that i think that diameter should be determined by the hp of the vehicle, and not engine size cuz 1500's produce about 95~120 hp while 2000's make anywhere from 145~200hp i think for the vq20 2.25 should be a good size to go with
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True...but is your VQ20 making 200 bhp? I was under the impression that they make around 125 or so at the wheels, which equates to roughly 170 at the crank? |
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A33_VQ35 Trinituner Peong
Joined: 30 Apr 2004 Tech posts: 428 Location: Nowhere/Everywhere My 2NRide: NISSAN CEFIRO A33
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Posted: Wed Nov 08, 2006 8:22 am Post subject: |
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| Knight1 wrote: | | Quote: | a 1500 engine with a 2inch is one thing and a 2000 engine with a 2inch is another. what i'm trying to say is that i think that diameter should be determined by the hp of the vehicle, and not engine size cuz 1500's produce about 95~120 hp while 2000's make anywhere from 145~200hp i think for the vq20 2.25 should be a good size to go with
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True...but is your VQ20 making 200 bhp? I was under the impression that they make around 125 or so at the wheels, which equates to roughly 170 at the crank? |
Actually it's less than that. It's rated the same as the SR20 in terms of Hp but more torque. So we probably gettin 110HP at the wheels.
cacasplat3 i found a next post with what u were saying bout the Hp stuff. Check this post he broke it down in terms of HP : http://forums.trinituner.com/forums/viewtopic.php?t=91798 |
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cacasplat3 punchin NOS
Joined: 29 Jul 2005 Tech posts: 3170 Location: Where Fuel Is Cheaper Than Bottled Water...... My 2NRide:
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Posted: Wed Nov 08, 2006 10:35 am Post subject: |
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True...but is your VQ20 making 200 bhp?
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i wish it would
true what both of u saying.
this exhaust thing real confusing, cuz i see sum SR's using 2.5 on stock engines and then it have them civic men with 1.6 using 2.25 and 2.5, and they make the same hp but less torque. what is the stock diameter of the piping?
cuz i was reading magnaflow last night they said an upgrade of .25 ~.5 inch on the stock pipe always sees gains, in sport compacts and other vehicles. |
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Knight1 Shifting into 6th
Joined: 17 Aug 2005 Tech posts: 2014 Location: On terra firma My 2NRide:
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Posted: Wed Nov 08, 2006 12:02 pm Post subject: |
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| Quote: | we probably gettin 110HP at the wheels.
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If it's only 110 bhp at the wheels, then stick to a 2.25" max. Nothing bigger.
| Quote: | this exhaust thing real confusing, cuz i see sum SR's using 2.5 on stock engines and then it have them civic men with 1.6 using 2.25 and 2.5, and they make the same hp but less torque. what is the stock diameter of the piping?
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Well all those folks are just putting on the biggest diameter they can get, to get the highest peak power, without considering low end torque and everyday drivablility. I can tell you from experience, that putting on a catback on my car, initially made me loose some low-end torque, but I had significant gains higher in the rpm range. |
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