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560 injectors for 20 PSI?

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carvinbassplyr

10+ Year Contributor
211
10
Dec 15, 2010
Waterford, Michigan
I have searched around here and found some inconclusive answers since they're not running same setup as I am/will be. I have a 14B turbo that is getting the 7cm(16G) hot-side upgrade. The turbo has no shaft play and spins very freely. I plan on working my way up to 20 PSI with a MBC, rewired 255 FP, better FPR and 560 injectors. With a tune, will 560 injectors have enough to keep up with 20PSI? I currently have a Hard UICP with stock SMIC...but plan on getting a FMIC.
 
Replace the SMIC before running 20 pounds though, they start heat soaking after 15 pounds or so. I'm not too sure if you will get to 350WHP but 275 if not a little more should be possible if tuned correctly.
I'm assuming you're meaning from a 14B? With a 16G there should be no problem getting over the 300HP mark and closing in on 350HP.
 
Go with the 16g it will last longer than the 14b instead of putting money in a setup that if the turbo goes you wont have to buy everything again to go bigger. If your plans are to just stick with the 16g then 650's are fine, but make sure you have the fmic, the smaller turbos heat up fast and if you run 20psi and a smic its going to be inefficient and damaging. I had 650's in my 1g with a big 16g and it was great.
 
Thanx again for all the advice! If I can find a good one goin for a fair price I will go with a big 16G...if not then I will just get the 7cm housing for the 14B and push that as far as I can for now. My final goal is 350awhp. I just want something that'll get out of it's own way and give 80% of the faster cars on the road a run for their money while staying as much of a sleeper and good streetable DD as possible.

Just realized another question I should've asked...how big of a FMIC do I need to run? If I don't have too, I'd like to avoid hacking up the front fascia to make a monster FMIC fit.
 
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Thanx again for all the advice! If I can find a good one goin for a fair price I will go with a big 16G...if not then I will just get the 7cm housing for the 14B and push that as far as I can for now. My final goal is 350awhp. I just want something that'll get out of it's own way and give 80% of the faster cars on the road a run for their money while staying as much of a sleeper and good streetable DD as possible.

Just realized another question I should've asked...how big of a FMIC do I need to run? If I don't have too, I'd like to avoid hacking up the front fascia to make a monster FMIC fit.


If you want something small I'd go with a 25x7x3" which is a good size Front mount if you don't want to hack anything up. Keep in mind that the amount of boost they IC can handle depends on the core size, so the more boost you want to run the bigger the IC has to be. This size should be good for 25 PSI or so, you can probably find one that size without a problem since a lot of people use it for their "street cars".
 
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You will need a J pipe if the inlet/outlet are of different sides, but over all its not a fab headache. As for the IC you linked I always have my doubts on Ebay parts even though I myself am running an Ebay FMIC on my Talon and its worked great so far. I would go ahead and buy the piping kit for it if possible, try to find one that is made for our cars, universal piping will be a pain to sit there and measure/cut over and over.

Anyway, look around for a good kit and post the ones that interest you, maybe some of us have tried them and/or could give you more information about the ones you seem to like.
 
As for the IC you linked I always have my doubts on Ebay parts even though I myself am running an Ebay FMIC on my Talon and its worked great so far.
That's why I said I'm not referring to this exact one...just the general design. I liked it because it's not bulky but is rated for high HP. I figured it would fit without having to cut alot up, but I didn't know if the intake and outlet being on the same side of the IC would cause a plumbing problem when running the piping?

Also, would 1000cc injectors be overkill? Got a guy nearby with a set of precision 1000cc injectors he's willing to let go for $100
 
Cheap get them now or pay more later but you need dsmlink to manage them. Again look around for a kit like we are saying that fits you, and your needs.
 
Cheap get them now or pay more later but you need dsmlink to manage them. Again look around for a kit like we are saying that fits you, and your needs.

I was thinkin about grabbing em at that price and waiting till I got a big 16G, FMIC and tunning program to install them. Already got a 255 fp on the way.
 
I used Evo 560cc injectors with the 14B turned up to the low 20PSI range (along with many supporting mods), but it probably wasn't too safe.
 
That's why I said I'm not referring to this exact one...just the general design. I liked it because it's not bulky but is rated for high HP. I figured it would fit without having to cut alot up, but I didn't know if the intake and outlet being on the same side of the IC would cause a plumbing problem when running the piping?

Also, would 1000cc injectors be overkill? Got a guy nearby with a set of precision 1000cc injectors he's willing to let go for $100


Them being on the same side shouldn't cause any problems. As for the 1000CC injectors, you wont be able to tune correctly on an SAFC, only get them if you're going to add DSMlink at some point. Don't go bigger than 720s with the SAFC since you wont be able to compensate for the injector size and will cause quite a bit of damage to your engine.
 
If you go with the 1000cc injectors DSMLink will be needed. The 1000cc injectors maybe cheap but it will cost you in the long run. If you don't have a E-Prom ECU, you will need one. If it isn't socketed then you will have to get that done. Then you will have to spend $350+ for DSMLink. All in all go with smaller injectors and a SAFC.

Edit: If money isn't a issue then grab the 1000cc up and get the DSMLink setup.
 
Am maft and a gm maf will work with 1000's but the timing would be way too high.

Definitely will need link though.

Sent from my PC36100 using Tapatalk
 
Would I get much higher #'s with the 1000CC injectors and dsmlink from a big 16G...enough to be worth the money?
 
You don't need internals to make good numbers... . Dsms can run 9's - 10's on stock bottom ends in the right hands...

Theirs quite a few options out there to tune with.... really depends on your end plans, budget, knowledge et cedra...
For your situation IF you want to go big, so you don't have to buy again Imo go with V3 Ecmlink lite you can always upgrade to full also a GOOD FMIC, Ets comes to mind, A Lc-1 W/b an 1000cc+ injectors like I said before. Just do it right the first Time an spend the $$$ Or it will just cost more in the end...

Really though Theirs to many options depending on to many thing out their there. To have people on a fourm tell you what to do in the end its your call.

Best advice ATM I could give you is do lots of reading, search the pro's and con's of everything an make an informed decision on your own an not base your decision off what just a few people are telling you... Hope that make sence.


Posted from my android
 
You don't need internals to make good numbers... . Dsms can run 9's - 10's on stock bottom ends in the right hands...

Theirs quite a few options out there to tune with.... really depends on your end plans, budget, knowledge et cedra...
For your situation IF you want to go big, so you don't have to buy again Imo go with V3 Ecmlink lite you can always upgrade to full also a GOOD FMIC, Ets comes to mind, A Lc-1 W/b an 1000cc+ injectors like I said before. Just do it right the first Time an spend the $$$ Or it will just cost more in the end...

Really though Theirs to many options depending on to many thing out their there. To have people on a fourm tell you what to do in the end its your call.

Best advice ATM I could give you is do lots of reading, search the pro's and con's of everything an make an informed decision on your own an not base your decision off what just a few people are telling you... Hope that make sence.


Posted from my android
Makes perfect sense...I just figured by getting responses I'd hear the pros and cons of everything from people who actually have this/these setups on their cars and see the results they are getting. Like I said, 350AWHP is my final goal since I really don't want to get into building the motor and if it's gonna take 1000cc injectors to get there I'd rather buy them first instead of buying smaller ones only to be disappointed and have to buy em anyway. If people are easily getting numbers like that or better with 660-720 injectors and SAFC then I will gladly keep some gas mileage and money and go with that setup. I just want my money going to the right place the first time.
 
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Your gas mileage isn't going to get worse from getting larger injectors if anything. It will improve because the better spray patterns and having a proper tune. Yeah you Could get those numbers with around that size injectors(Although there's more to it then that) but its always a good idea to have so headroom an room to grow. also just fyi alot of the info you need to get to your goals can be found by searching an alot of the info you get from bringin up a thread like this isn't really info but people saying ya you can do this its nice to have people give you suggestions but in my Eyes its more rewarding to figure things out on your own... Understanding why you need all the things you do is more important then knowing what you need...

Posted from my Android
 
Your gas mileage isn't get worse from getting larger injectors if anything. It will improve because the better spray patterns and having a proper tune. Yeah you Could get those numbers with around that size injectors but its always a good idea to have so headroom an room to grow. also just fyi alot of the info you need to get to your goals can be found by searching an alot of the info you get from bring up a thread like this isn't really info but people saying ya you can do this its nice to have people give you d.suggestions but in my Eyes its more rewarding to figure things out on your own... Understanding why you need all the things you do is more important then knowing what you need...
I understand the point you're making, and I have searched around but most of what I find is inconclusive because the setups vary SO much. I wanted to get to my goal in a reliable fashion and not be one of the statistcal/typical cases where my dsm sits in the garage more than it gets driven cause it's always broke down. I understand why I need the parts I need I just want to buy the right size the first time instead of buying injectors 2-3 times, buying 2-3 turbo setups, etc. until I reach my goal because I was guessing. I also didn't want to overcompensate to the point where I couldn't use the parts to their potential because I could only run the injectors with a 30% DC and have a bigger turbo only boosted to 10PSI because the motor couldn't handle it. I'm on here at least a few hours/day just reading and when I have questions about what I've reading then I post a new topic to clarify my understanding. I want to do it right from the beginning, not be the guy throwing a 50 trim ebay turbo on the car turning it up to 40PSI and having my car go up in smoke.
 
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i'd think you'd be okay..

at 22psi on my talon with a 20g, I was only seeing 75% IDC and I didn't bump up my fuel pressure at all, I was on 650cc's with a 255 fuel pump /aeromotive regulator
 
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