Log in

View Full Version : Fuel injectors


kornvb
11-05-2009, 08:15 PM
need answers does anyone know what automobile the merc fuel injector is? does anyone have a part #? im asking about the promax style fuel injection! thanks for any help!
oldgeezer
11-05-2009, 08:32 PM
Need more information. What exactly is the ProMax? Year and HP? Could be 2.5 or 3.0L? Will see if I can help you from there.
kornvb
11-05-2009, 08:40 PM
its a 2.5 promax mid 90s model. the injectors i have a keihen injectors with the pink tips
Tony Brucato
11-05-2009, 08:44 PM
Those are Keihin injectors. The 2.5 liter ProMax motors use the low impedance version with the pink pintle tip. The 3 liter EFI uses a high impedance version with the white pintle tip.
Keihin injectors are used in Honda car engines also, and look identical externally to the outboard versions. Flow rates on the automotive versions are much lower than outboard version.
oldgeezer
11-05-2009, 08:49 PM
If you want the part number, go here.
http://www.dougrussell.com/partscatalog/index.cfm
Go to the Hi Performance section with your motor s/n and it will tell you the part number. Hope that this helps.