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Old Jan 19, 2006 | 04:24 PM
  #1  
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From: redding U.S.A.
Fuel injector identification

The injectors on my 95 300 have FOSE-B5A stamped on them. There is also a D above that number, but i don't think its important.

I have found these are bosch injectors, number 280150941, but i don't know what the flow rating is.

I know that Accel makes quite a few different flow rated injectors (probably just bosch, what isn't?) and i'd like to see if I could find something close.

Anyone know how to find out the flow rating of these things?

I've read that the stock injectors are 12lb, but also that they are 14lb. I know they run at a higher pressure, but is it 12lb injector at high pressure yielding 14 at the standard 3 bar, or is it 14lb yielding 17lb at the standard 3bar?

Confused.
 

Last edited by rhetor; Jan 19, 2006 at 04:54 PM.
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Old Jan 19, 2006 | 05:22 PM
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From: redding U.S.A.
http://www.jegs.com/webapp/wcs/store...tegoryId=19459

accel makes a 15lb/hr injector.

If the stock is 14lb/hr, what do you guys think about popping these guys in? I checked the chart and it doesn't appear that anything came with a 15lb/hr injector stock. So i guess the junkyard search is out of the question.

I'm going to wait untill i get back to school and use the scanner at work and see what the fuel trim level is at. My friend suggested this. That way i'll know how far out of whack the computer is.
 

Last edited by rhetor; Jan 19, 2006 at 05:29 PM.
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Old Jan 20, 2006 | 10:02 PM
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i told u this LOL

14 lb stock, under our higher pressure its about 17lb...
 
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Old Jan 21, 2006 | 07:47 AM
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Heres an interesting forumula

(adjusted fuel pressure *divided by* rated fuel pressure) *times* static flow at rated psi

(60 / 43.5) X 14
1.379 X 14 = 19.306


14 lb/hr injector @ 43.5 psi = 19 lb/hr @ 60 psi
 
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Old Jan 25, 2006 | 02:17 PM
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good formula to have, thanks.

I have ordered all the stuff (thanks to you motorhead351) including 19lb injectors.

time to start looking for some flow charts..

I've come across this useful tool:

http://www.csgnetwork.com/fiflowcalc.html
 

Last edited by rhetor; Jan 25, 2006 at 02:29 PM.
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