Author Topic: Mustang Injectors in an M42 engine (Read 261368 times)

TheDutch · « **Reply #285 on:** July 03, 2011, 12:46:03 PM »

Quote from: DesktopDave;105011

You could use an exhaust gas analyzer to test for CO & adjust the AFM accordingly.

I was under the impression that the external screw provided adjustment for idle only.

DesktopDave · « **Reply #286 on:** July 03, 2011, 07:29:09 PM »

I thought it was for idle and low throttle situations too? I'm not 100% on that, but even if it's only adjusted for idle I'll bet it contributes to part-throttle situations regardless.

BBDirtbiking · « **Reply #287 on:** July 10, 2011, 10:10:03 PM »

Installed 0280155710 injectors in my E30 today... I noticed two things which I am slightly worried about. First being that these injectors are noisy! You don't hear them so much when your in the car driving, but when you are sitting over the engine bay they are loud. One more thing, not sure if it is related at all, but there is this noise coming from the timing area that sounds like a couple marbles knocking around... I noticed these noise slightly when I had my old injectors in (one injector was bad and NOISY!), and after driving the car hard the noise had amplified... I drove the car several times later after this and there were no other noises that were of concern, which has me wondering what is up.

Do you think I need to increase the fuel pressure? Possibly restrict the return line slightly to do so, or what is the best way?

Hopefully I get a good mileage increase.

lqbanotxano · « **Reply #288 on:** July 16, 2011, 04:16:34 PM »

I just installed rebuilt flow matched 700 injectors. It took me 7 hours including...1 hr lunch/parts run & 45 min to get the air out of the cooling lines. It turned out that the stock injectors already where 4 pintle BMW injectors. There does not seem to be any change in performance. The old injectors looked to be clean & in good shape after 184,000 miles.

I was looking for a little better performance & better gas milage....we will see.

1993 318is 5sp.

DesktopDave · « **Reply #289 on:** July 16, 2011, 06:40:56 PM »

I'm hopeful that I'll see some increase in mileage. Seems unlikely in my case, but the fuel gauge is so inaccurate it's impossible to tell until I run a few tanks through her.

I also noted that my injectors (4-hole but with the fat metal body - gen2??) were quite a bit clackier than the last ones. Maybe it was air in the system, time will tell.

wazzu70 · « **Reply #290 on:** October 08, 2011, 08:28:03 PM »

Here is another reference for injectors in a little different format.

http://users.erols.com/srweiss/tableifc.htm

bbarnumboy · « **Reply #291 on:** November 29, 2011, 12:00:02 PM »

Quote from: bbarnumboy;103661

Last year i had witchhunter do the cleaning /rebuild and flow tested them to 2% of each other and my recent upgrade to the mustang injector was a better and more noticeable increase. nothing on paper, but it is smoother and especially idle. Torque seems very constant now, but that is all butt dyno :-)

not much on flow design but if you look at the stock setup, it seems that the automized fuel could re-group together before even leaving the long nozzel of the injector. the pintle is deep withing the nozzel. On the mustang injector the pintels are right at the end.

In the same time i wondered the same thing as you. the new injector will stick into the head farther than the stock one, as seen in the pictures of length.

i have a 1993 e36 m42 and my old injectors were stock 4 pintles. I did not know that until after i swapped them in and looked closely.

was it worth it? i am not 100% sure. But i will test the claim on MPG's going up on this next tank of fuel. If no power increase, a better automized and better burning fuel consumption should lead to less fuel consumption in the end. and thats worth it to me.

I will report back on mpgs

here are the pictures to compare that i didn't get around to posting, from the install.

BOSCH 0280150556 Multi-Port Injector

8000 miles and still running great. No problems. only complaint, they are alot noisier than the stock injectors. The M42 is such a smooth quiet running engine as for noise levels right at the head. This is cause of the nice hydraulic lifters...so you can hear the injectors quite loud.

colin86325 · « **Reply #292 on:** November 30, 2011, 07:52:13 AM »

Any change in MPGs?

bbarnumboy · « **Reply #293 on:** November 30, 2011, 08:07:05 AM »

I think it actually went down to be honest. really hard for me to tell. i think highway i average 26-28 and around town around 22-23 keep in mind i have an E36 with 210,000 miles. but the engine is perfect.

I have seen better gas mileage over the past few years, that is for sure.

stillmatick · « **Reply #294 on:** January 21, 2012, 03:50:46 PM »

Quote from: bbarnumboy;108450

8000 miles and still running great. No problems. only complaint, they are alot noisier than the stock injectors. The M42 is such a smooth quiet running engine as for noise levels right at the head. This is cause of the nice hydraulic lifters...so you can hear the injectors quite loud.

same injectors here with 15,000 miles and still running without a problem.

i get 350miles on a full tank driving fast and nornal on highway/city,haven't try granny driving.

n2motorsports · « **Reply #295 on:** January 31, 2012, 04:34:12 PM »

this is upsetting, just read up on this to find out the slim yellow injectors won't hold up and I'm not chancing a fire (been there done that)

after talking to Rob at Motor man I'm not going with the BOSCH 0280150556 Multi-Port Injector but with these instead: http://www.fuelinjector.citymaker.com/catalog/item/7638068/9161686.htm. They are the same except for the body color and they are NEW.

Will report back when installed next week.

bwawuz02 · « **Reply #296 on:** February 12, 2012, 12:51:32 PM »

Anyone who needs 24lb or greater should realize that there is a new design 4 from bosch. I picked up a set for my ITB'd, 1.9L build from this guy for $160 shipped. I will report back once I get back from my deployment and can acutally finish the build and drive it

http://fuelinjectorconnection.com/shop/index.php?_a=viewProd&productId=206

colin86325 · « **Reply #297 on:** March 26, 2012, 10:13:31 AM »

Any feedback on these injectors? Do they fit corretly?

Quote from: bwawuz02;110212

Anyone who needs 24lb or greater should realize that there is a new design 4 from bosch. I picked up a set for my ITB'd, 1.9L build from this guy for $160 shipped. I will report back once I get back from my deployment and can acutally finish the build and drive it

http://fuelinjectorconnection.com/shop/index.php?_a=viewProd&productId=206

troman · « **Reply #298 on:** March 27, 2012, 11:10:26 AM »

After reading this thread at length, I decided to buy the Bosch 0280156013 from http://www.fiveomotorsport.com.

Why?
1. They have the slots for the retaining clips
2. They are high impedance (14 ohm)
3. They flow 250cc at 3 bar (about 20% increase over stock 210(ish?)cc)
4. They are new
5. I have a 93 octane Mark D chip (7300 rev limiter)
6. I have a stock airbox with K&N filter, and a larger hose to behind the headlight
7. The ECU/DME and the O2 sensor should compensate for the increased flow, and manage AFRs.

I chose them over these:
http://www.fuelinjector.citymaker.com/catalog/item/4494564/4532416.htm

I'll try to report back in a month or so on their effectiveness.

colin86325 · « **Reply #299 on:** March 27, 2012, 11:45:40 AM »

I was curious about the 0280156013 as well, but wasn't sure if they'd flow too much. I'm interested to hear your results, especially regarding MPG.