Confused with injector types

[rated x]

I was looking around and found so many different types of upgraded injectors that I feel confused on which ones to get.Some are ball and seat some are disk.I know I want to get a set of either 660cc or 760cc ,but don't know which ones are best and for a good price.

 

[Old Mitsu Tech]

The impedance and flow rate are your two most important considerations. Most lilkely you need 2 ohm impedance injectors and the flow rate would be decided when you have figured out how many ponies you want and your control methods for handling the added fuel. As far as price, you're on your own there. Different manufacturers and all. Plus the occasional used set.

Just remember to have the supporting mods in place when you jump to the larger injectors. Too large and it will run like a Quadrajunk, er Quadrajet.

Good Luck

 

[Spoolzer]

Im not sure what your goals are but I have fic 650's running an evo3 at 22psi and tuning with a chip and afc on a 2g mass and I havent had a single problem with them. Just put em in and havent had to think about them since

 

[rated x]

Ok since I have a 1g in a 2g do I get top feed or is it side feed injectors?Can someone lead me in the right direction as to what type of injectors are good?Links would be nice.Thanks.

 

[1990EclipseGSX]

http://www.fuelinjectorclinic.com/cart/mitsubishi.htm

Great injectors, good price, lots of people use them. 1g and 2g injectors are the same.
Size choice is going to be based on your goals. Without DSMLink or an EPROM to compensate for the larger flow, anything over 650cc will be a real pain to tune.

 

[r1ashad]

http://www.fuelinjectorclinic.com/cart/mitsubishi.htm

Great injectors, good price, lots of people use them. 1g and 2g injectors are the same.
Size choice is going to be based on your goals. Without DSMLink or an EPROM to compensate for the larger flow, anything over 650cc will be a real pain to tune.

First, does anybody have any idea why the largest injectors being the 1600cc Fuel Injector Clinic Injectors are the second cheapest injectors listed?

Second, would there be any disadvantages for having 1600cc injectors with a properly chipped ECU when looking for only 550-600whp?

 

[FORMONTOYA]

First, does anybody have any idea why the largest injectors being the 1600cc Fuel Injector Clinic Injectors are the cheapest at $20 cheaper than the smallest injectors?

Second, would there be any disadvantages for having 1600cc injectors with a properly chipped ECU when looking for only 550-600whp?

1. Probably because they have a couple of sets that have been on the self far to long and they are trying to move them...how many people really have a need for 1600cc injectors.

2. If you have a way to control the deadtime and global settings (DSMLink or properly chipped ECU, ect) and also ability to control the WOT characteristics then "go for it".


Jim

 

[seefour]

I have also wondered about the difference between injector types, and how to identify which is which. I know one has a better spray pattern but thats about all i know.

 

[1990EclipseGSX]

The 1600cc injectors are known to be very hard to tune for daily driving, even with DSMLink. They are mainly used for drag only applications.

 

[rated x]

Ok I think I'm torn between which one to pick.I found these two types,both for about the same price but one has more cc's than the other.From experience which one is best?

this one: http://www.slowboyracing.com/more.php?id=3528&

or the 850cc on this one: http://www.fuelinjectorclinic.com/cart/mitsubishi.htm

 

[MyBeatGSX]

http://www.turbosaturns.net/articles/injectors.htm

 

[VelocitàPaola]

For reference, this is a good link to have:
http://www.robietherobot.com/storm/fuelinjectorguide.htm

 

[power=dsm]

660 can be tuned fine with a safc and fpr ! Aything larger it's going to be maxing out the safc and your going to hurt your timinig

 

[rated x]

Ok I think I'm torn between which one to pick.I found these two types,both for about the same price but one has more cc's than the other.From experience which one is best?

this one: http://www.slowboyracing.com/more.php?id=3528&

or the 850cc on this one: http://www.fuelinjectorclinic.com/cart/mitsubishi.htm

Ok,thanks for the info but that still kind of doesn't answer my question^^^^^

 

[sweet97]

Injectors are rated for flow by fuel pressure. The standard in the industry is 43 or 43.5psi. Some manufacturers use 49psi to rate their injectors. I have been using the FIC's for many sizes from 650's to my current 950's. I like their spray pattern using about a half dozen small holes to spray the fuel thus getting good fuel atomization. www.rceng.com has a chart to use for shoosing injector size based upon the HP you desie to make. Of course you need the turbo and other supporting mods to reach the HP you would like but at least you will know what size injectors to get. As has been said 650-680 is the largest you can go with the AFC or MAF-T for tuning as otherwise with larger inj's the timing will go sky high when you try to compensate for the larger size. I tried 720's once with my MAF-T and could not get them tuned. Now I have an EPROM ECU with a www.dsmchips.com stage 3 chip with inj. compensation. Mark
The point of this being that you can get the 850's to flow 880cc's by raising the base fuel pressure. Contact KEYDIVER at dsmchips and he can answer anything you want to know about inj's!

 

[rated x]

I must have failed to say that I'm in the process of getting dsmlink.I should be sending out the ecu by the end of this month to get socketed and all but I need to make my decision about what type of injectors to get before I send it.The rest of the supporting mods are in my mod list.

I think hp #'s don't matter since everyone wants theirs to be a beast..
I just would like to know if precision or clinic is better?

 

[sweet97]

I like the FIC's. I believe the FIC's and PTE's are both Delphi injectors that each then makes into their own particulars. Check out www.dejonpowerhouse.com he sells on or the other. The FIC's have around 6-8 small holes to spray the fuel for a good atomization of the fuel. If you email Jeff(KRYDIVER) he would tell you his opinion and he works with many injectors due to his chip burning business. My FIC's have not "blinked" and they see IDC's in the 90+% range quite regularly. Mark
There eBay injectors that are also made from Delphi's but cheaper in price and quailty. FIC's are more of a premium injector IMHO. Mark

 

[rated x]

Is it true that running 880's on a 16g with dsmlink is overkill?Would I be able to tune fine for now until I get a bigger turbo?

 

[DGajre777]

Is it true that running 880's on a 16g with dsmlink is overkill?Would I be able to tune fine for now until I get a bigger turbo?

If the 16G is going to be your last turbo, yes it is overkill. But with DSMLink you can have the 880s run like 660s.

 

[rated x]

So can I still tune it good enough if I even had a WB o2 sensor?I'm just trying to make sure I could have my car run fine with 880's if I have dsmlink.

 

[rated x]

Ok,after some research I think I will go with one of these.
http://www.slowboyracing.com/more.php?id=3527&
http://www.fuelinjectorclinic.com/cart/mitsubishi.htm
http://www.slowboyracing.com/more.php?id=3526&
Should I go with the 780's or 750's? Or should I just go lower and get the 680's?

 

[sweet97]

If you have the 16G and are adjusting fuell with the MAFT get FIC "650cc's" as they maft and safc will take your timing shyhigh taking out the amount of fuel the larger injectors flow and 650's will be fine with the 16G. I like and use the FIC's as I like the several small orifices they have to help atomize the fuel.
If you are getting DSMlink or even a DSMchip then get whatever size you want as they can compensate for the larger injectors like the FIC 950cc's I use as I have an EPROM ECU socketed and use DSMchips.com Mark

 

[dsm-onster]

The 1600cc injectors are known to be very hard to tune for daily driving, even with DSMLink. They are mainly used for drag only applications.

The guys at the dsmlink forums are reporting that the resistance of the FIC 1600s are higher than normal peak and hold injectors... So it's probable that a custom resistor pack that correctly sums to spec the total resistance of the injector and resistor curcuit would allow them to run just fine.

In otherwords, they have higher than stock resistance and are opening slower because of it... from my research... I will be testing this... My car is in pieces right now.

 

[rated x]

So if I have dsmlink then it shouldn't matter if I get 650's or 880's?Would I still be able to tune 880's to run like 650's?I would rather buy the 880's ,but if it's going to be a pain in the @$$ to tune, then I'll just get the 780's and tune with those.

 

[1990EclipseGSX]

So if I have dsmlink then it shouldn't matter if I get 650's or 880's?Would I still be able to tune 880's to run like 650's?I would rather buy the 880's ,but if it's going to be a pain in the @$$ to tune, then I'll just get the 780's and tune with those.

Get the 880's. It won't make a difference tuning with DSMLink. I run 950's without a problem. The only injectors that have tuning issues are the 1600cc.