265 cc fuel injectors vs 240 cc - Miata Turbo Forum - Boost cars, acquire cats.

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Old 02-06-2007, 11:55 AM   #1
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Default 265 cc fuel injectors vs 240 cc

on a 99 model with oem 02 sensor closed loop shouldn't it be able to handle 265 cc fuel injectors vs 240 cc ?

just wondering, running stock ecu with voodoo box if the larger injectors would give me alittle more head room up top when maxing out my set up on w/b dyno.

I have heard "yes" since stock ecu has tollerance of about 25% in fuel trim.

just wanted feedback from this forum please... thanks

buck
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Old 02-06-2007, 02:33 PM   #2
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I searched, I read and yes they will

thanks,

Buck
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Old 02-06-2007, 11:00 PM   #3
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I am a one man show here, sorry for all the itty bitty shitty questions but please.. would 94-97 265 cc injectors with tan top fit my 99 Miata ? I saw some for sell and need to know.

thanks

Buck
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Old 02-06-2007, 11:20 PM   #4
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I would think they would, but that's not much of an upgrade. Why not go for some 305 cc toyota injectors?
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Old 02-06-2007, 11:36 PM   #5
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305 Supra, sure but I am running stock ECU will they work? What source to get them at?

I am not a DIY kind of guy but I want to learn, but can not afford stand alone & piggy right now. Don't know ****, and bought a beginner kit (VDII) with a t2554, yes a 2554 as I want the spool. If I upgrade later I still have some room to grow

I found out with my stock ECU I can run bigger injectors and with this 93 octane (Dallas) should get close to 200hp with base timing. (I think & hope) (wideband dyno)

still waiting on the kit to arrive but wanted to get all my ducks in a row now. Having clutch put in (spec II) and trying to source some injectors. So... 01-05 265 cc and or 305 supra as you indicated... I will keep looking

but thats my goal, thanks
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Old 02-06-2007, 11:46 PM   #6
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if you want to run 265cc injectors find 01-05s. They will spray better at only 60psi.
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Old 02-07-2007, 11:48 PM   #7
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So let me get this straight....

You are going to run a VDII kit with NO fuelling mods what so ever except a set of bigger injectors????? If so then id put in the 305's to keep things nice and rich so your engine doesnt go KABOOM!
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Old 02-07-2007, 11:50 PM   #8
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he's going to run the voodoo box. Not much else you can really do on a 99 without spending $$$, however from the reviews I keep hearing you may want to research the Powercard-Pro.
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