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When choosing High Performance injectors, the wrong choice can cost you performance, time and money... At Marren, we specialize in getting you the correct injectors the first time!

FUEL INJECTORS

Fuel injectors are the essential element when running a performance EFI system. The motor cannot reach its full potential if the injectors that the engine management system control are not delivering the proper amount of fuel. Competition electronic fuel injectors are available in varying flow rates for all applications of high performance to racing specifications in auto and marine.

Static flow rates (lb/hr) are estimated at 43.5 psi (3 bar) fuel pressure. All injectors are flow tested and put into matched sets with the flow rate tolerance of 0 to 2%. Injectors can also be purchased without being tested (factory tolerance).

Matching the Injector to the Engine:

Injector Flow Rate (lb/hr) = Engine HPx BSFC
Number of Injectors x 0.8

For example, to calculate the individual injector size for a 650 HP V using 8 injectors and assuming a BSFC of 0.5:

Injector Flow Rate (lb/hr) = 650 x 0.5
8x0.8
= 50.78 lb/hr

If you know an injector flow rate, you can solve the above equation for a rough estimate of fuel system capacity like this:

Engine HP = Injector Flow Rate x Number of Injectors x 0.8
BSFC

For example, using the same estimated values from above:

Engine HP = 50 x 8 x 0.8
0.5
= 640 HP

Electronic Fuel Injectors

Part Number Description Ohms
0524 24lb/hr High
0530 30lb/hr High
0536 36lb/hr High
0526 26lb/hr Low
0534 34lb/hr Low
0538 36lb/hr Low Hose End
0542 42lb/hr Low
0541 42lb/hr High
0550 50lb/hr High
0551 50lb/hr Low
0552 52lb/hr Low
0555 55lb/hr Low
0572 72lb/hr Low
0582 82lb/hr Low
0596 96lb/hr Low
05160 160lb/hr Low

If you do not see an injector that may meet your requirements, please give us a call, it is impossible to list all the injectors we carry.

We also offer stock fuel injectors. Please call with the vehicle specifications.


MARREN FUEL INJECTION
49 Burtville Ave., Unit 3A
Derby, CT 06418
Phone: (203) 732-4565

   

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