Fuel Injector Chat and Discussion

[Supa Ninja]

meth is a fuel and its not delivered by the injectors so thats why it will lower your IDCs. when you go down to a 3" pulley you'll be pushing more boost so you'll need more fuel. I have no idea how your idc's will increase with the smaller pulley and i have no idea exactly how much the idcs will go down with meth. sounds like a good experiment to do and post up the results in the supercharger section.

meth lowers your egts so you'll be able to run more timing, that equals more power.

i hope that cleared it up a little.

[keefer]

Come on Supa give me a bit of credit...! (I'm at least a bit mechanically inclined. Enough to know it's not delivered by the fuel injectors.!) I just know meth/alcohol will lower the IDC due to the way it burns.

I'm just trying to figure out how much the offset will be of the meth lowering the IDC and the 3" pulley increasing the duty cycle. Jeff says the meth injection will lower the IDC by about 10-15%. Now I just have to figure out how much the 3" will increase the IDC due to the increased fuel need.

But ya the last part about the more aggressive timing did help. :o

Now the question is, stick with the 3.15" and go meth (Run more aggressive timing to increase HP), no new injectors, or go all out, buy the 1000cc's to be on the safe side, get the meth and the 3" in a few weeks.. hrm..

[Supa Ninja]

lol, another idea is if you have the bigger injectors you can always later on go E85 when more pumps become available.

The IDs are amazing injectors, it purrs at idle and i have plenty of fuel up top.

[gkit19986]

Originally Posted by Supa Ninja

I don't know why someone would get 725's instead of the 1000's either unless they are just trying to save 30 bucks.

yup the plug and play clips don't require any soldering or crimping

heyy, supninja.. the ID 1000 injectors . the come w clips, but they also give you options for pigtails or obd2 plugs/ which is it for our applications?
i read the caption below, they mentioned K series, dont neeed anything else other rhan the injectors and the plug and play cliips it comes with? it that true?

[soxfan143]

Meth will not really lower your IDCs that much. It will a little because you won't need the extra fuel to cool the cylinders. You will still need almost the same amount of fuel. All meth does it increase the octane rating of the fuel by decreasing temps inside the combustion chamber. Meth is simply a way to lower your knock threshold by increasing the octane rating. Like using race gas. Using race gas doesn't lower your duty cycles drastcially it only makes it safer. At least that is what was taught to me.

[Supa Ninja]

they do come with pigtails, i myself chose the solder-on ones since this is the 3rd set of injectors that I have run and my stock clips have long since been removed. You have to pay more for the plug and plays.

[Str8JDM]

if a 255 fuel pump was installed on a stock motor/injectors, it wouldnt effect anything right? im trying to do everything i can before i get my car into the shop so i can utilize shop/lift time to my turbo kit.

[Supa Ninja]

you'll be just fine on a stock motor/inj with a walbro. thats one less thing you'll have to worry about. make sure you get the right oring for the walbro.

[soxfan143]

The ID PnP clips are pretty cheap through T1. They were only $12 a piece when ordering the injectors. SOO worth it to be able to keep from chopping up the factory harness. Unless the factory harness pins are able to be snapped into the ID clips. Then its easy as pie. I prefer to use PnP harness' anywhere paossible in case you have to remove your parts. If the car gets totaled or something you can pop everything right out in a jiffy.

[Str8JDM]

Originally Posted by Supa Ninja

you'll be just fine on a stock motor/inj with a walbro. thats one less thing you'll have to worry about. make sure you get the right oring for the walbro.

whats the right oring? and where does it go?

[Supa Ninja]

its in the walbro thread and the DIY I made. It seals the pump output to the fuel cage. it you don't change the oring it will loss fuel pressure. I'm not going to get into details in here since there are threads about it.

[mitsukaiSI]

For those experiencing hard starting issues, did anyone contact ID and get the voltage compensation for the I jectors your running?

[Supa Ninja]

a sheet with the latencies comes with the injectors. I had a problem with my fuel system the injectors weren't the problem.

[Bugermass]

When adding meth your adding fuel "the meth" so with all else being the same you will notice your AFRs get richer.. At that point you have the choice to lean out your fueling in your main fueling tables or in an aux table if your on a so equiped EMS and thus you will have a lower IDC.. Just adding meth by itself doesn't lower your IDCs..

Meth increases power 3 ways.

First it can be used to cool down the intake air temps which in turn will make the mix more dense blablabal.. This can also allow you to run more timing if you had to pull timing due to high IATs..

Second it affectivly raises your octane depending on your mix of meth to water. So if your motor is knock limited due to not enough octane, this will allow you run more advance and make more power.. !!!!! BUT !!!!! it doesn't matter how much octane you have there is a certain point where you reach best timing and adding more doesn't make any more power. If you've already reached best timing without the meth, adding meth won't magically allow you to add more timing.

3RDly, and this one is debatable and my stance on this is that its possible but I don't have enough hard proof yet to say one way or another. Its believed among some meth users that extra energy is provided by the steam created when the water is superheated thus adding more pressure on the piston and more power. Theres reasons why i don't buy this theory but I'm just putting it out there cause theres alot of people who think this.

And this theory also extends on to other theories that running straight water injection, the water turning into steam also helps to abosorb heat during combustion thus reducing the chance for knock... I have seen extensive studies done on this and has been proven true, BUT!!!, in these studies it was shown that using just water will reduce power slightly.. BUT!!! the testing for this was done to see if using water to dampen knock would allow an engine to run excessivly lean during cruising for economy. So there are other factors there that could have accounted for the loss in power like... . . not enough fuel?? lol...

I'd say in most cases you can just attribute the gain in power to the higher octane and latent heat of evaporation thus allowing you to run more timing, but just keep in minds theres other reasons why it works..

I could go on and on but these are the main ideas. Hopefully this will clear up some confusion on Meth injection

[keefer]

It does. I think I've actually decided against it for now. I'm going to sit back and wait for more people to go different route's and see the results. I think I just may wait until the aftercoolers become common and go that route.. I'm fine right now where I sit as far as hp goes. But thanks for the information as always..

[Str8JDM]

is hybrid racing the only company that makes a fuel rail with a port for the pressure gauge?

[Supa Ninja]

Most of them have ports, if the rail doesn't it's not difficult to drill and tap it for a 1/8" npt gauge.

Ninja edit: clubrsx has decent k series selection so you can get a good idea of what's available. Also summit racing has lots of inline gauge fitting so you won't have to change your rail to add a gauge.

[Str8JDM]

Originally Posted by Supa Ninja

Most of them have ports, if the rail doesn't it's not difficult to drill and tap it for a 1/8" npt gauge.

Ninja edit: clubrsx has decent k series selection so you can get a good idea of what's available. Also summit racing has lots of inline gauge fitting so you won't have to change your rail to add a gauge.

really? i looked at a couple (golden eagle, P2R, BDL) and theres no port. ill have to look again

edit: found the gauge fittings you talking about, but we have a rubber hose that goes to the rail right? i can only find ones with AN fittings for return lines

[soxfan143]

Originally Posted by Str8JDM

really? i looked at a couple (golden eagle, P2R, BDL) and theres no port. ill have to look again

edit: found the gauge fittings you talking about, but we have a rubber hose that goes to the rail right? i can only find ones with AN fittings for return lines

BDL definitely has a port for a gauge and so does the Hybrid and Skunk2 one. I don't know about the Golden Eagle but I know the P2R doesn't.

[Supa Ninja]

AEM has one too