502 EFI/MPI Injector Q
02-18-2011, 07:54 AM
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502 EFI/MPI Injector Q
Can anyone tell me if the injectors are the same or different for the following motors:
454/502 385/415hp EFI/MPI
454 MPI 310hp
496 HO system
And, if they're different, what is the difference? Is it in the housing itself (meaning one won't plug into the other) or is it in the lbs./hour output of the injector?
454/502 385/415hp EFI/MPI
454 MPI 310hp
496 HO system
And, if they're different, what is the difference? Is it in the housing itself (meaning one won't plug into the other) or is it in the lbs./hour output of the injector?
02-19-2011, 11:08 PM
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To the best of my knowledge they will all plug and play in each of the various systems.
I have been told that the "stock" injectors are 37lb. by some people, and 42lb. by others. I'm not sure which is accurate.
It is my understanding that Rochester (Delphi) made the injectors from 1993-1998, and that someone else (I think Bosh) makes them from 1998-present.
Also, these are supposed to be the exact same injector as the auto injector, but I can't seem to get a cross reference on the part #'s. I was hoping one of the engine builders/dealers would chime in and provide some input.
I have been told that the "stock" injectors are 37lb. by some people, and 42lb. by others. I'm not sure which is accurate.
It is my understanding that Rochester (Delphi) made the injectors from 1993-1998, and that someone else (I think Bosh) makes them from 1998-present.
Also, these are supposed to be the exact same injector as the auto injector, but I can't seem to get a cross reference on the part #'s. I was hoping one of the engine builders/dealers would chime in and provide some input.
02-21-2011, 01:55 PM
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I can't give you everything you are looking for, but I can say that with the exception of the 496mag/ho, the other injectors all use the same EV1 style (Bosch D-jetronic) injector connector. The 496mag/HO uses something completely different.
The first two pics below are the 496mag/HO, the next two are the Bosch D-Jet style.
The first two pics below are the 496mag/HO, the next two are the Bosch D-Jet style.
02-21-2011, 08:32 PM
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Thanks Keith! Everything helps. The pics help a lot. It's tough to get good info on the subject.
I think I've sorted out the "old" vs. "new" issue, but it seems that within the two genres of injectors they should all be the "same."
I don't see 500hp EFI listed, but I can't imagine that Merc would use the 415/385 hp injector on the 525 motor and not on the 500hp EFI motor.
I think I've sorted out the "old" vs. "new" issue, but it seems that within the two genres of injectors they should all be the "same."
The 805225A 1 injector (the "old" injector) fits the following models:
525 EFI 0M953620 THRU 0M956326
Mercruiser BLACK SCORPION 350 MAG MPI 0M391600 THRU 0W689999
Mercruiser BLACK SCORPION MX 6.2L MPI 0M391750 THRU 0W689999
Mercruiser 454 EFI (SKI) GEN. V GM 454 V-8 1995 0F215800 THRU 0F820099
Mercruiser 454 EFI (GEN. V) GM 454 V-8 1994-1996 0F115700 THRU 0F802349
Mercruiser 502 EFI (GEN. V) GM 502 V-8 1993-1995 0D840650 THRU 0F802599
Mercruiser 7.4LX BRAVO (MPI)(GEN. V) GM 454 V-8 1996 0F602010 THRU 0F801999
Mercruiser 7.4L MPI MIE (LH) GEN. V GM 454 V-8 1995-1996 0F563052 THRU 0F820103
Mercruiser 350 MAG. BRAVO MPI(GEN+) GM 350 V-8 1997 0K001501 AND UP
Mercruiser 454 MAG. MPI BRAVO (GEN VI) GM 454 V-8 1996-1997 0F802350 THRU 0K999999
Mercruiser 502 MAG. MPI (GEN VI) GM 502 V-8 1996 0F802600 THRU 0K999999
Mercruiser 7.4LX BRAVO (MPI)(GEN. VI) GM 454 V-8 1996-1997 0F802000 THRU 0K999999
Mercruiser 454 MAG. MPI (SKI) GEN. VI GM 454 V-8 1996-1997 0F820100 THRU 0K999999
Mercruiser 7.4L MPI MIE (LH) GEN. VI GM 454 V-8 1996-1997 0F820104 THRU 0K999999
Mercruiser 8.2L MIE MPI (LH) GEN. VI GM 502 V-8 1996-1997 0F819620 THRU 0K999999
Mercruiser 454 MAG. MPI BRAVO (GEN VI) GM 454 V-8 1998 0L010029 THRU 0L058399
Mercruiser 502 MAG. MPI BRAVO (GEN VI) GM 502 V-8 1998 0L017000 THRU 0L085432
Mercruiser 454 MAG. MPI HORIZON (GEN. VI) GM 454 V-8 0L002200 THRU 0L086049
Mercruiser 8.2L MIE MPI (GEN. VI) GM 502 V-8 0L002450 THRU 0L086012
Mercruiser Scorpion 377 0K000656 THRU 0L600314
Mercruiser Scorpion 377 Sterndrive 0L416146 THRU 0M907201
525 EFI 0M953620 THRU 0M956326
Mercruiser BLACK SCORPION 350 MAG MPI 0M391600 THRU 0W689999
Mercruiser BLACK SCORPION MX 6.2L MPI 0M391750 THRU 0W689999
Mercruiser 454 EFI (SKI) GEN. V GM 454 V-8 1995 0F215800 THRU 0F820099
Mercruiser 454 EFI (GEN. V) GM 454 V-8 1994-1996 0F115700 THRU 0F802349
Mercruiser 502 EFI (GEN. V) GM 502 V-8 1993-1995 0D840650 THRU 0F802599
Mercruiser 7.4LX BRAVO (MPI)(GEN. V) GM 454 V-8 1996 0F602010 THRU 0F801999
Mercruiser 7.4L MPI MIE (LH) GEN. V GM 454 V-8 1995-1996 0F563052 THRU 0F820103
Mercruiser 350 MAG. BRAVO MPI(GEN+) GM 350 V-8 1997 0K001501 AND UP
Mercruiser 454 MAG. MPI BRAVO (GEN VI) GM 454 V-8 1996-1997 0F802350 THRU 0K999999
Mercruiser 502 MAG. MPI (GEN VI) GM 502 V-8 1996 0F802600 THRU 0K999999
Mercruiser 7.4LX BRAVO (MPI)(GEN. VI) GM 454 V-8 1996-1997 0F802000 THRU 0K999999
Mercruiser 454 MAG. MPI (SKI) GEN. VI GM 454 V-8 1996-1997 0F820100 THRU 0K999999
Mercruiser 7.4L MPI MIE (LH) GEN. VI GM 454 V-8 1996-1997 0F820104 THRU 0K999999
Mercruiser 8.2L MIE MPI (LH) GEN. VI GM 502 V-8 1996-1997 0F819620 THRU 0K999999
Mercruiser 454 MAG. MPI BRAVO (GEN VI) GM 454 V-8 1998 0L010029 THRU 0L058399
Mercruiser 502 MAG. MPI BRAVO (GEN VI) GM 502 V-8 1998 0L017000 THRU 0L085432
Mercruiser 454 MAG. MPI HORIZON (GEN. VI) GM 454 V-8 0L002200 THRU 0L086049
Mercruiser 8.2L MIE MPI (GEN. VI) GM 502 V-8 0L002450 THRU 0L086012
Mercruiser Scorpion 377 0K000656 THRU 0L600314
Mercruiser Scorpion 377 Sterndrive 0L416146 THRU 0M907201
02-21-2011, 10:03 PM
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My 1999 502 MPI had 42lb injectors. Serial number started with OL34. They looked like the Bosch ones pictured above.
02-21-2011, 11:31 PM
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496 injectors
On the 496 Mag and the 496Mag/Ho the injectors are Delphi Multec 2 type injectors with USCAR type plug in connectors. These injectors are totally different than the Bosch type used on the other Merc engine types mentioned and are not interchangeable. These Multec 2 Delphi injectors are 440cc injectors and at the stock 43-45 psi they operate at they are approximately 37lb/per hour injectors.
In the Raylar 496 kits we up the fuel pressure to 50psi where these injectors will flow approximatly 46lbs/hr.
Raylar also stocks and uses a 550cc and 650 cc versions of these injectors for engines of over 570HP in the 496 (8.1L) builds.
Best Regards,
Ray @ Raylar
In the Raylar 496 kits we up the fuel pressure to 50psi where these injectors will flow approximatly 46lbs/hr.
Raylar also stocks and uses a 550cc and 650 cc versions of these injectors for engines of over 570HP in the 496 (8.1L) builds.
Best Regards,
Ray @ Raylar
02-22-2011, 03:25 PM
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On the 496 Mag and the 496Mag/Ho the injectors are Delphi Multec 2 type injectors with USCAR type plug in connectors. These injectors are totally different than the Bosch type used on the other Merc engine types mentioned and are not interchangeable. These Multec 2 Delphi injectors are 440cc injectors and at the stock 43-45 psi they operate at they are approximately 37lb/per hour injectors.
In the Raylar 496 kits we up the fuel pressure to 50psi where these injectors will flow approximatly 46lbs/hr.
Raylar also stocks and uses a 550cc and 650 cc versions of these injectors for engines of over 570HP in the 496 (8.1L) builds.
Best Regards,
Ray @ Raylar
In the Raylar 496 kits we up the fuel pressure to 50psi where these injectors will flow approximatly 46lbs/hr.
Raylar also stocks and uses a 550cc and 650 cc versions of these injectors for engines of over 570HP in the 496 (8.1L) builds.
Best Regards,
Ray @ Raylar
Ray, did you receive my e-mail back on Feb 4? I sent one to [email protected]
