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Pages: 1

Fuel Injectors

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Posted by: Goddard-MarkVIII

I'm gonna replace my injectors and was wondering a good set. Anyone know where to find the best bang for the buck?

Posted by: Blenderhead

You can find 30# injectors in a lot of V6s, including later 4.2s and 89-93 SCs. You could probably grab a set out of a couple cars in a junkyard for $50 or so.

Posted by: mrzeee

If you need a set of 30# the the M-9593-B302 from ford racing is the way to go new....$224.00 your cost +frt

Max Zuckerberg
Parts Specialist
Five Star Ford
7100 east Mc Dowell Road
Scottsdale AZ 85257
Direct 1-800-866-1520 ext 236
Fax 1-480-949-8478
parts@fivestarford.com

Posted by: unity

Ah.. Max would know. What is the # rating for a 04 Aviator? Thinking of a bigger MAF and injectors also.

Posted by: Jeffguy11

is 30# better than stock or stock replacement?

Posted by: ILLS

Unless you guys need the extra fuel and air metering ability then you do not need to upgrade to bigger injectors and MAFS. Upgrading to bigger injectors will net you ZERO gain in power, throttle response, or anything. The only reason to go with bigger injectors is if you are running a crapton of bolton mods or forced induction and require the extra fueling the bigger injectors will provide. Most on this site are not running enough mods to need to upgrade injectors. Upgrading injectors on a close to stock vehicle is a complete waste of money unless you plan to really need them in the near future for an upcoming big project for the car. AKA ported heads, cams, dry nitrous shot, supercharger, turbo or so on.

Also for the air intake side you are only as strong as your weakest link. N/A vehicles really do benefit from better airflow into the engine. It raises VE (volumetric efficiency) which allows for more power. Your stocker TB is probably smaller than your stocker MAFS is anyways so upgrade that first and move onto the next bottleneck in the intake tract.

Going with bigger injectors and MAFS will also necessitate that you get a whole new full tune again which adds to the money spent too. Getting a new tune after you have upgraded items that were necessary to upgrade is fine but the injector and MAFS upgrade is not needed in most of the minor bolton cars here. Going with a MAFS that is slightly bigger in diameter might gain you a little bit but the gains will be minimal considering the money you spend on the MAFS itself and the full retune to dial in your short term fuel trims as well at WOT fueling. Your money is better spent elsewhere if you haven't got all the other real boltons yet.

Posted by: Goddard-MarkVIII

I was lookin at this site here http://www.lincolnmotorsport.com/ with alot of parts I've been looking at changing. I do plan on doing upgrades, but of course I'm not rich so they kind of are slow coming. One thing at a time so to speak.

I already need new injectors and figure I might as well get some good performance injectors while I'm at it if I plan on doing other upgrades which I do plan a supercharger and bigger maf...

Has anyone used this website to order parts? What are stock injector sizes?

Posted by: kustomizingkid

If you have no forced induction plans I would stay with stock injectors.

Posted by: ILLS

Quote:

Originally Posted by Goddard-MarkVIII

I was lookin at this site here http://www.lincolnmotorsport.com/ with alot of parts I've been looking at changing. I do plan on doing upgrades, but of course I'm not rich so they kind of are slow coming. One thing at a time so to speak.

I already need new injectors and figure I might as well get some good performance injectors while I'm at it if I plan on doing other upgrades which I do plan a supercharger and bigger maf...

Has anyone used this website to order parts? What are stock injector sizes?

If you already need to replace your injectors due to maintenance reasons and do plan to supercharge in the somewhat near future then stepping up to a bigger size injector will not hurt. Just know that it will require a new custom tune. What power do you plan to make once you are supercharged?

Posted by: Blenderhead

Quote:

Originally Posted by ILLS

Why would you ever replace the injectors just for maintenance? They hardly ever fail, and there's nothing in them to wear out. The fuel injectors will outlast the rest of the car.

Posted by: ILLS

Quote:

Originally Posted by Blenderhead

Why would you ever replace the injectors just for maintenance? They hardly ever fail, and there's nothing in them to wear out. The fuel injectors will outlast the rest of the car.

Sometimes injectors do fail. It is not often but it does occur. I consider that a maintenance item, but if you want to consider it a "mod" then thats fine. Obviously it is not a normal maintenance item like changing the oil or anything that often but the need does occur sometimes due to various reasons. It seems that this guy has had some problems with his in which case if he is replacing them and does plan to supercharge his car in the near future then it would not hurt to step up to bigger ones for the time. Usually I do not recommend stepping up as soon, but this guys situation is slightly different than most in that it sounds like he is going to have to replace his stockers anyways. Might as well not buy injectors twice.

Posted by: mrzeee

Unity...I tried to find the # rating but could not....will check the ford service database later today.

Max

Posted by: unity

Quote:

Originally Posted by mrzeee

Unity...I tried to find the # rating but could not....will check the ford service database later today.

Max

Thanks Max, appreciate it!

Posted by: ILLS

Quote:

Originally Posted by unity

Ah.. Max would know. What is the # rating for a 04 Aviator? Thinking of a bigger MAF and injectors also.

Off the top of my head I believe the stocker Avi injectors are 24 lb/hr.

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