ClubLexus - Lexus Forum Discussion

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-   SC - 1st Gen (1992-2000) (https://www.clublexus.com/forums/sc-1st-gen-1992-2000-6/)
-   -   440cc Injectors in a SC300 (https://www.clublexus.com/forums/sc-1st-gen-1992-2000/646398-440cc-injectors-in-a-sc300.html)

super300 Jul 23, 2012 12:45 PM

440cc Injectors in a SC300
 
Anyone know exactly how you make Mk3 440cc injectors work in a SC300? I know you need a resistor box, but does anyone know the part number of this box? And you only need one, correct?

2jzforlife Jul 23, 2012 02:10 PM

Stock sc300 runs 330cc injectors. By upgrading wouldnt you run more rich? Are you na-t?

TweakTech Jul 23, 2012 02:12 PM

Why do you want to run bigger injectors? Unless you're going FI, it's kind of a waste of time and money.

super300 Jul 23, 2012 05:35 PM

Thanks for the concern, but if anyone knows how to do this, please help. I know it's been done on the GE's plenty of times but I'm having trouble finding info on it.

99SC42 Jul 23, 2012 05:49 PM

iirc mk3 uses 440cc or something similar .

scviolence Jul 23, 2012 06:17 PM

Solder in some inline resistors or get a resistor pack for the injector easy day.... Upgrade maf or go speed density aka map and iat

Vrank Jul 23, 2012 07:56 PM

look on a supra site in the classifieds, or find a calculator online to figure out what resistor you'd need to make this happen. You'll want to wire these into the power side going into the injector. Go to *******.com for any part numbers yuo ever need

super300 Jul 23, 2012 08:01 PM

Does anyone know the resistors I would need? That is what I'm here to find out.

Vrank Jul 24, 2012 03:08 AM

use multimeter and determine resistance of stock resistors. Use same multimeter to find mk3 resistance. Then use online calculator to determine what you need.

Vrank Jul 24, 2012 04:24 AM

Ps: it literally took me 5 minutes to figure this out on google

10ohm, 25w or better (I have 50w personally)

Stop being lazy and looking for handouts. You won't learn anything that way

99SC42 Jul 24, 2012 05:24 AM

Or maybe just get any Honda v6 resistor box and wire it in. gl

Vrank Jul 24, 2012 08:46 AM

Quick comes through with good info as usual. Usually like $7 at a pick and pull. Cheapest route probably.


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