Q45 TURBO 0 - 100 MPH

[gpc510]

oh god I can see the gas gauge going down

[TheAndr00e]

Is this an automatic tranny?

[GlaciusNLV]

What else do you nimrods expect from a turbo charged V8?

[noizefloor]

is there an updated link for the info on the build?

[power2theq]

@noizefloor I posted an updated link in the description. The new site is up and running.

[noizefloor]

@power2theq perfect! good write-up.

[divineserpent]

blacklabel3745-

I got the q45 rear end in my 240

speed calculator says 2 gear shift at 6000rpm is between 65mph and 70mph with 3.54 rear end, with 1.97 2nd gear and 285/40/17. if you freeze at 0:27 he is in second gear at about 6100rpm and 70mph so this is believable.

[xndr2190]

yo bra where u get your parts from

[power2theq]

@xndr2190 The parts are mostly from Ebay but the system needs to be custom built. No one makes a turbo kit for the Q45.

[BlackLabel7345]

it looks like you are doing 35 when it reads 65 on the speedo...just saying

[power2theq]

@BlackLabel7345 The speedo is accurate. I changed the VSS gear to the one from a J30 which matches as close to the 4.08 diff as possible.

[SuperBeatnuts]

sweet car

[cconant13]

Holy shit. A new definition for the Q-car. That's balls fast!

[comedyman95]

i like this! it goes 0-100 in 10? mines about 15 sec. what year is it?

[isthebeeflol]

damn skippy thats neat

[Koolaid544]

Hey bud do you have a build on NICO or somewhere else.

[Giancarlos106]

Hey I just turned 16 and I been thinking of what would be the perfect first car, now I live in the New England area so the winters get pretty bad but I like Infiniti's they're very luxurious. Are they good in the snow though? I would like any personal feedbacks and stories about your Infiniti's please. Thanks!

[tak915]

@Giancarlos106 im 16 to and my first car in a 1992 q45, i bought it for only a grand

and i love it, the outside is honestly not good looking at all but interier is really roomy

and the car has features tht no one at my school has, but it get horrible gas milage

but i say if u can get a hold on one then get it

[grado1000]

Nice video! May I ask what year this Q45 is from? Keep posting. This car is a beast.

[power2theq]

It's a 94 with over 200k miles on the engine.

[grado1000]

Sweet. Enjoy it.

[SeTR805]

Can u do the same thing to a 95???

[JAVIER12321]

do u know where i can buy a VH45?

[power2theq]

There are plenty of VH45s available. Try car-parts . com.

[tak915]

@JAVIER12321 google tigerjapanise

[ISXX]

Are you telling me a stock VH45 can handle 6psi no problem? I might have to get one if thats the case.

[power2theq]

No reason why it can't handle more.

[f20cmx5]

Nice car, where is this road?

[motocross321]

I am doing a vh45de swap on my s13 and was wondering what trans should I use?

[power2theq]

There's a kit to adapt the Z32 5 speed to the VH45 available from Mazworx. If you want to use the stock auto, just have it modified by IPT in NJ.

[cr33p3r1]

i have a q now. but u know any way to save gas? i always say under 4 rpm or sometimes 2 but it still doesnt work.D=

[power2theq]

First, get all the maintenance done on the car. Second, don't run any gas with ethanol. Use pure gas if available. Finally, make sure that your tire pressures are at 35 psi and that your trunk is free of unnecessary weight.

[Gangstazfolifeyo]

is that a manual or automatic??

[power2theq]

It's a stock trans that has been modified with a shift kit.

[Jorell1000]

Only 6 psi but you seem to be getting more torque than Qsiguy? Where do you two NICO club guys live?

[power2theq]

I'm running a bigger turbo plus I've got a 4.08 differential.

[FLCLimax7]

Wow Very fast... Nice ride!

[N0sPr4Yu]

wats ur 0-60?

[power2theq]

About 5 seconds.

[nitrousboy0311]

Just telling you your car sucks you should get an ls1

[audiman25]

wow what a great comment, i mean, wow, just the most insightful thing I have ever read. The Nissan VH45 engine is so far ahead of the fucking LS1 that it's not even funny.

[nitrousboy0311]

Dude its an inside joke from nicoclub...

[audiman25]

ok then I apologize, you nico are a great bunch. Sorry I didn't detect the sarcasm, but I've seen so many dumb rednecks go on and on about LS1 this and LS1 that and LS1 the other thing that I go nuts when I see another, lol. Please accept my apology, haha.

[nitrousboy0311]

NO REPLACEMENT FOR DISPLACEMENT

[derekaggs11]

Amazing results, man.

My first car was a '90 Q45. I loved the flat cornering and amazing V8 growl at midrange. I sold it after 3 years and bought a reliable but soul-less '96 LS400 and four years later sold that for a '96 Maxima SE 5MT. Fun and even quicker than the Q. Gotta love Nissan.

[digitalgulby]

Wow, pretty fast. I didn't know anyone really modded these cars. Nice

[danielhugs14]

dude this is nice, mine is a 2001, so its got alittle smaller engine, but look at my videos.... you KILLED my stock q45 :[

[Jizskie]

Im impressed, good work

[0to60in16seconds]

just listening to your waist gait

it sounds like your turbo is way to small to but only running 6psi (effiencently)

not talking shit the car is fast just might wanna up the size of the turbo, somthing like a hx35 should pull nicely and make a full 8psi of so at 2500-3000rpm but 8psi on the holset will be allot more cfm than the current setup

[power2theq]

How can you tell a turbo is too small by listening to the wastegate? Just curious.

Anyway, the turbo that I'm running is a T-76 which is good for over 900+hp, so I don't think it is too small. If you click on the link in the description above, you'll see the turbo. Peace.

[PheenongLao]

Good job man, the car pulls hard. I got 91 Q45 which pulls hard too. I did a jdm engine swab on it with NGK Iridium spark plug, cold air intake and custom exsuast. If I had time and money I would put the turbo that would be awesome.

[power2theq]

You've got a decent amount of work done on your Q. If I were you, I wouldn't spend any more money on other mods. Just save up the cash for a turbo system. It was the best mod that I ever did to the Q45. Dollar for dollar, best performance for the money. Peace.

[4MATICbenz]

that car is a fuckin beast. you did some good work on that car

[alexc3589]

quick car

[power2theq]

The 0-60 is approx. 5 secs. The turbo is huge so it takes a bit of time for spool-up. Once boost hits, the car takes off. If you measure the 60-100 time, it only takes 5 secs. That is a dramatic improvement from stock.

[BklynJayL]

From the looks of it..., I'd say around in the low 5's.

[BklynJayL]

Wow! Nice! How much will it cost to install that on my 1993 Q45 Inf.? ;-)

[power2theq]

It's a custom build but you should be able to do it for around $3-5K, assuming that you do all the work yourself.

[Pro60modman]

I cant believe it even cost you that much. I did a engine compartment config in my mercedes and im still under 2500 using brand name stuff(greddy, aem f/ic, garrett, etc.)

[power2theq]

My actual cost for the whole thing is closer to $2k but I did spend quite a bit of time getting stuff at the best prices. I think for most people an estimate of $3-5k is fair.

[Pro60modman]

Yeah same here lol. Build took me all summer. I hope to build a e430 remote turbo like yours. The e430 has the same hp and compression so it should be very similar. Maybe we could line em up :)

[power2theq]

Actually, my turbo is in the engine bay. Check out the other vid to see it. My friend, QSIGUY, has his turbo at the rear on his Q45. Either way will work. Your Benz should have similar performance especially since your car is lighter.

[Pro60modman]

what do you use for engine management?

[power2theq]

The only thing I'm using is a BEGI FMU which increases fuel pressure as boost increases. The 90-96 Q45 came with decent sized injectors so I didn't need to do too much. The car is running the stock ECU without any problems.

[powerattitudetrim]

nice car:)

how long frm 0-60 takes?

[dustinwaller87]

wow nice about the turbo system.. um u said u made it urself.. how did u evacuate the oil from the turbo back into the oil pan?? did u use an evacuation pump.. and did u have to build the car some before u turbo'd it?? i need help im gonna turbo my non turbo 280zx and idk if i need to do anything other than bigger injectors.. and how did u tune ur car??

[power2theq]

The turbo is in the engine compartment so I don't need a pump for the oil return. Check out my other vid which shows the turbo placement. As far as the engine, it is stock with the stock injectors. The 90-96 Q45 come with 370cc injectors, good for approx. 450 hp at 43 psi. I'm running a blow-thru MAF which enables the ECU to see the exact air flow from the turbo system. I'm also running a BEGI FMU which gives me extra fuel psi as boost increases. Final tuning was done with a wideband O2 monitor.

[Shinta786]

Just under 11 secs for THAT car...not bad bro!

I like the car too.....I have a X9 with modded ECU and a lot of extra's and I do 7,8secs to 100 (the car IS +-1750kg incl me and the extra's).

[power2theq]

It's not too bad for a car that weighs in at 4200 lbs. Hope to improve upon it soon. I've upped the boost to 7.5 psi since the vid but the weather is too hot for a good run. How much power are you putting out on your X9? Sounds like it's a 11 second 1/4 mile car with a 0-100 mph in 7.8 seconds.

[farahtjeuh]

I agree, its very VERY GOOD actually for your car. My X9 is tweaked to 167HP (no turbo) (without the other extra's). its 0-100kmh in 7.8 sec, lol, not mph. Top speed 247kmh MAX. Its does have a 2.0 engine. Its not much power, but my drag-coefficient is 0.2875 (VERY GOOD). Thats what makes it so fast on the straight. I am willing to buy a Land Cruiser 100 series, just a lovely car, but the MPG is DAMN low and the DRAG is extremely HIGH! This car will KILL me.

[power2theq]

Your X9 is light enought that it would be crazy fast with a small amount of boost. Most cars can take 7-8 psi without any engine modifications. All you need to address is the fuel and ignition needs. I did a lot of mods on my car before I built the turbo system. I wish that I had just done the turbo first. Everything else was not the worth the trouble IMHO. Boost is the easiest way to improve performance.

[LLCoolPass]

after 6000 RPM, right until redline there is a significant boost in torque. Maybe you should config it to offer this lower, such that it starts to top off at 7000 RPM.

My car shall one day be turbod. :>

[power2theq]

The high rpm power is because the turbo is huge. As is, the car starts making full boost by around 3600 rpm. If I want it to be lower, I would probably have to run nitrous and I don't feel like dealing with that headache.

[LLCoolPass]

I'll have to keep unitrax in mind

[LLCoolPass]

you're at what, 450 to 500 horsepower?

[power2theq]

It's pushing around 440 hp according to my calculations. The large exhaust side on the turbo lets the engine breathe much better at high rpms hence the dramatic power increase at low boost pressure. Once the turbo spools up, this thing is crazy fast. You really have to pay attention. Sometimes, driving it is a bit scary especially on tight roads. LOL.

[LLCoolPass]

could it benefit from a limited-slip dif?

[torqueluvr]

All 1st GEN Q had a viscous LSD. Looks like 193k on the odo, so it might be pretty tired.

[power2theq]

The odometer has over 203k miles on it. The diff was rebuilt with 4.08 gears by UNITRAX. The LSD is still tight and I can light up both tires pretty easy but, eventually, the viscous LSD will give out and I'll have to do something about it then. I'm thinking of going with a Quaiffe LSD.

[LLCoolPass]

Maybe it needs new gear fluid incl the additives for limit slip dif?

[power2theq]

The squealing that you hear at the beginning is from both tires. It was cold outside plus the tires were all season so the grip wasn't that great.

[LLCoolPass]

which grade of mobil 1 do you put in that bad boy?

[power2theq]

I stopped using Mobil 1 ever since they switched their base stocks to Group 3. The only good Mobil 1 oil is the 0w-40 which is still based on Group 4 base stocks. Currenty, I'm running Castrol Syntec European Formula 0w-30 which is an excellent oil. This is an excellent oil based on Group 4 base stocks. The rest of the Syntec line is Group 3 and is not worth it. Peace.

[LLCoolPass]

put 0w40 in it

i put that in my lexus es 300 and get great results

mobil sw'd their full syn oils to group 3... why? not any group 4 in it? how's that legal?

[LLCoolPass]

mobil 1, 0w-40 , that is

[LLCoolPass]

what yearrrr

[power2theq]

It's a 94 Q45 with the stock engine.

[fastq45]

how much for that turbo and hardware

[power2theq]

It's hard to nail down the prices of stuff since it varies. You can pick up a turbo like mine for a less than a grand if you shop around. The rest of the stuff came from Ebay. I haven't kept tabs on the total cost but since I built everything myself, it wasn't much.

[fastq45]

my rpms would jump around alot you have that problem my map was before the sc

[power2theq]

Are you running a MAP (Manifold Absolute Pressure) sensor or a MAF (Mass Air Flow) sensor? My car has the stock MAF sensor that is placed after the turbo. I have no problems with hunting idle. The key is to make sure that the ECU sees all the air that is coming into the engine. You can't have any open air or vacuum hoses. That throws off the idle and causes all kinds of problems.

[fastq45]

well then its a maf it may be that i never to of all the crank case vent hoses I was new to the whole boosting thing

[fastq45]

well whats the cost of this turbo you have and do you have a safc with it I had one for mine worked great and do you know if the tranny from a 300zx TT is the same? My SC might be cheaper since i fabed up a bracket for it.

[fastq45]

i had mine sc with 2-3 psi @ 293rwhp

[power2theq]

So you've got a supercharger on your Q? Wow. I'd really like to see the pics. Come over to Turbo-Infiniti. com and tell us about your setup.

[fastq45]

it went out when i broke the belt in side it was a powerdyne

[power2theq]

Yeah...superchargers can be problematic. I say you should go with a turbo setup. It isn't is hard to do as most people think. I built it myself by taking my time and thinking things out before I did the work. Let me know if you need any help. Peace.

[i35s]

that's incredible. that was like 0-60 somewhere in between 4.9 and 5.2.

[power2theq]

That sounds about right for the 0-60. It could be better if I can get the turbo to spool up quicker. As is, it is spooling by 3300 rpm which is not that bad for a large turbo. But if I can get it to spool by something like 2500 rpm, then the acceleration times would drop noticeably. Also, turning up the boost would make a huge difference. Right now, it's only at 6 psi.

[JJIBBBY]

How much power can these engines take in at stock? Any ideas? I here the bottom ends are weak and fail around 350-400whp...I got that info. on the infinity forums..

[power2theq]

I'm running at least 420 hp right now without any problems. My friend, QSIGUY, is running 8 psi on his car also without problems. The VH45DE can handle boost as long as the tuning is done right. As far as the limit of the stock engine, my guess is that it is somewhere around 14-16 psi.

[locooso]

I owned a 92 Q45 and it was a monster bone stock... just imagine with a turbo what a machine... nice car !!!For sale?

[power2theq]

I've had this car for over 10 years now and put a lot of work into it. The turbo was my latest project. I hope to keep it for a long time. Decent Q45s are hard to find nowadays.

[locooso]

yeah they are mine was stolen and it was in pretty good shape inside and out... so yeah you are right Q45s are hard to find take care of that baby

[tvrhl69]

I just picked up a Q45 a month ago. Great condition, and was only $2500. Guess I got really lucky. Anyways, I have around $300 left after a new radiator and A/C Charge. I was curious as to if you had any suggestions on a muffler I should buy for it. Thanks :)

[power2theq]

You don't need to get a new muffler, just replace the rear suitcase muffler with straight pipes and the car will sound very nice. Check out my vids for the muffler delete that I did on my other Q45.

[tvrhl69]

Ya I already checked out that video, and it sounds amazing, but my brother was telling me that it's illegal to do that. Is that true?

[power2theq]

It's not illegal since it doesn't affect emissions nor does it make the car intolerably loud.

[floeji]

I'm very impressed. You've proved that the VH45DE can be turbo-ed in the engine bay without changing the exterior appearance. Sweet.

I've seen the VH turbo-ed in 300ZX's and motorboats.

[power2theq]

The engine bay looks relatively stock but I had to change a lot of stuff around like the radiator, cooling fan, battery, oil filter, and a bunch of other stuff. All the emission stuff is still there so the car is legit for road use.

[floeji]

Wow. Did you ever move to a closed wastegate? All in all, how much did it cost to get this done? How long did it take?

[power2theq]

I've got the stuff to close off the wastegate, just need some time to do the work. I did all the work myself so that saved a lot of money. It took me about 6 months, doing everything as time permitted.

[floeji]

Odd. That must have been a thrilling ride though. The turbo sounded scary. I've never heard a VH45DE sound like that before. How loud does it get in the car?

[power2theq]

The open wastegate is not that loud inside the car, mostly due to the sound insulating qualities of the Q. Outside is a different matter. It sounds like a jet engine and it is scary when you first hear it. They call open wastegates "screamer pipes". Now I know why.

[floeji]

Was that the SLIP light that kept coming on? Have you tried it without TCS?

[power2theq]

Actually, for some reason the Airbag light started flashing that day when I started up the car. It was doing it on start-up.

[dubvipers]

it was just telling you, holy shit you got too much damn power, just be safe with me! =] great car man, i love your vids