Well I lost 14whp somewhere on the all motor run because it dropped to 210whp and 222wtq. Im guessing its the midpipe on the intake killing power because thats the only thing I have changed.

Now onto the good stuff. I did two pulls on spray the first was at 950psi bottle pressure. With the 100 shot I made 314fwhp and 396fwtq

On the 3rd run the pressure dropped to 750psi because its pretty cold and it did 280fwhp and 360fwtq.

Overall Im pretty happy with the results. I ran a stillen supercharged 350z with the 75 shot and beat it. He had a passenger and I didn't so I guess weight gave me the edge because the first run I pulled a good 2 cars on him on video at 900psi. The other run when I didn't get jumped on I only pulled like a bumper on him but by then my bottle pressure was at 700psi. I'll try to get the graph scanned soon.

From 3600-3800 it jumped to like 17:5:1 a/f but Im not to worried because it went down fast. From 3800-4400 its at 14:5:1 and after 4400 its at like 12:1-11:5:1

Looks like I need a SAFCII and a bottle heater and I should be good to go. Also will be contacting TechnoSquare to see what they can do for me.

Matt

 

dang matt....that is a monster you have on your hands now. did you go to colder plugs? that could be hurting your NA baseline. nearly 400 ft/lb of torque is exciting. good luck at the track when you get there.

--Paul

 

Did run a colder plug, if so that is probably the cause of the power loss without nitrous? Those are excellent results though.

 

everything is stock for the moment. I have colder plugs on order. My tranny isn't liking the power to much but its dealing with it.

 

Also my next dyno following the 314 396 was only 278 352. It ran way richer and the bottle pressure dropped 150psi so I guess thats the main cause.

 

Nice numbers man Though...I hit 280fwhp S/C'd + MEVI with no juice hehehehe. You got me scraped on TQ though. I got a nasty A/F lull between 3900-5100 (down to 10:1) but we also noticed that the timing was retarding from 36 degrees at 3800rpm to 14 degrees at about 4300. At 4300 it starts advancing back in. I'm assuming this is the problem with timing that the JWT ecu fixes. Anywho...regarding the tranny...I didn't look into whether you are A/T or M/T but I noticed WORLDS of difference when I installed the VBmod/cooler on my A/T. Might not mean anything to your setup...just trying offer some helpful tidbits

Keep up the awesome mod'n!

 

almost 400 WHP TQ

 

You MUST get a bottle heater.

Also, running that high of a shot and we know soon to be higher, you planning on getting an incabin fuel pressure gauge? I would, so you know if the stock fuel pump can hold pressure.

 

I will get whats needed if I plan to go higher. Right now the money isn't there so I need to stay somewhat safe on a lower shot . I will not exceed 100 shot without proper guages needed and if I do I will probably get a walboro 190 to have better fuel flow. EGT and fuel pressure guages will also be added. Just don't know if I want to spend all that cash on a nitrous setup. Right now Im way under the cost of a new kit and I have an a/f guage and cup placed on the steering column.

The only reason I did this was b/c of a great deal on the kit

 

Since it's wet, 190lph *SHOULD* be enough, but that's why I'd have a FP gauge just incase it starts to go weak.

I'd DEFINITELY run a FP gauge and EGT minimum. How about a cheap used one? A/F gauge is worthless IMO except at idle. By the time you see lean, it's probably too late.

 

If I do go with a larger shot I will get FP and EGT. Down the road I will more than likely purchase them anyway. But the damn FP guage is over $200 I got the whole nitrous kit for a few dollars more...

 

Keep your eyes open...I swear I've seen some practically new electric FP gauges for cheaper, but you can't be picky on style.

$200ish?!? Hook my azz up!

 

Actually it was $275 but thats still cheap to me. The kit was a mustang kit that the shop owner installed on his sons car. The sprayed I think a total of 4 times and decided the power wasn't impressive enough. Now he has a V-7 (YS trim)charger on his 5.0 pushing over 450 to the wheels on only 10 psi.

The first fill still had 6 lbs left in it when I picked up the kit

 

Have fun while it lasts. Same bye bye to the sophisticated 4spd Nissan tranny and a few other things soon enough. Maybe even go boom boom. Good luck!

 

who are you?....since you seem to know everything and sound like a mechanic what makes you think things will go boom boom as you say. Im making a lot less power than quite a few people on this board and my fuel pressure and a/f is as safe as an all motor car....so I guess you need to go inform them also that they will go boom boom soon

 

Well not too many people on this board are N20 with a "3.5" in a fwd Maxima either. Out of the the few who are/were at least one has already blown his engine. Your tranny will not last long straight up let alone a lot of components in your front end especially with all the tq your putting down and how hard you are on your car ie racing. Good luck with your racing, car and warranty!

 

There are plenty on the board with N20 on the 3.5 with no problems. If its tuned properly there will be no problems with a fwd maxima as you call it.

How much do you know about what happened to SR20DEN's car? You are one of the many who think hey hes using nitrous so hes automatically going to blow his motor. SR20DEN is a good friend of mine and he was running an extremely huge shot of nitrous but also had advanced timing and stock plugs in. He sprayed from 1st-5th and it killed a cylinder. It was more along the lines of not running the proper equipment with nitrous, than nitrous blowing his motor.


Do you think I don't know this already. Im not some newbie that just slapped on a kit to go faster. If I didn't have something else already in the works for when that time comes if it does come then I wouldn't be running nitrous. Im launching at the stock stall so its really not much of a shock to the front end as some people without experience might think. Thanks but I don't need luck with my car or warranty ...but with racing I'll take all the luck I can get.

 

I will be running a similar kit too... If you go NX, you cant be afraid to blow a motor.... I dont plan on it.....but I wont be ....