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For those curious:

Denso Injectors 195500-2020 550CC @ 43.5 PSI 13.5 Ohm

These are what I use on my 7M (with the AEM). They direct fit into a 7M if you shave the locators off with an exacto knife. They are high impedance so if you remove the resistor pack it should work fine on a standard 7M. You can get them off 89-92 S2 RX7 turbos. If you go to the RX7 boards you can get a whole set of 6 for about $150. HTH
 

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whats the info to witch hunter? im thinkin of sendin my pte's in to be tested. they were supposedly rebuilt before i got them but i want to be sure before i push the motor hard after its rebuilt. also want to send those venom 830's in just for shiz and giggles to see how bad they are.
 

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Anyone have directions/ pics suggestions on how to remove the resistor pack.
Cut the plug with wiring off the resistor. Solder all the wires together on the plug and reinstall the plug.
 

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First plug-1 wire = 12V feeder
Second plug -2wires => each wires feeds 3 injectors. split is done in harness.
 

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Guess I have another vendor on my build list. I'm going to send them my 720's and some 440's or 550's for the break-in period/mild tune

According to his calculator, I need to run 87% duty cycle on the 720's for 600chp......and I thought I had too much injector
 

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I used to use witchhunter, then they raised their rates and started hating on the candians.

I now use this guy: http://www.cleaninjectors.com/

His name's Tim, and he runs a tight ship. You get flow, opening time measurement, cleaned, reflowed, and all the little replaceable bits replaced for $11 each. THEN he gives you a subjective review of the flow pattern and set balance (priceless).

I trust him 100% with my stuff and wouldn't use anyone else, and I'm an ex-witchhunter convert.

--billyM
 

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From another forum.. part numbers useful..


Stock 1UZFE Injector:
Code number: 23250-50020
Overall Length: 2.800"
Injector Tip Length: .260"
Injector Inlet Length: .614"
Injector Tip Diameter: .368"
Injector Inlet Diameter: .415"
Injector Opening:2
Injector Connector: Type F
Flow Rate: 251 cc/min
Impedance: high 13.8 ohm


Stock 7MGE Injector:
Code number: 23250-70080 Light Green Tip
Code Number: 23250-70040 Yellow Tip
Overall Length: 2.810"
Injector Tip Length: .260"
Injector Inlet Length: .614"
Injector Tip Diameter: .370"
Injector Inlet Diameter: .416"
Injector Opening:4
Injector Connector: Type F
Flow Rate: 315 cc/min Light Green
Impedance: High 13.8 ohm

Stock 7MGE Injector (Yellow):
Code Number: 23250-70040 Yellow Tip
Overall Length: 2.810"
Injector Tip Length: .260"
Injector Inlet Length: .614"
Injector Tip Diameter: .370"
Injector Inlet Diameter: .416"
Injector Opening:4
Injector Connector: Type F
Flow Rate: 295 cc/min Yellow Tip
Impedance: Low
 
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