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jbrough
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February 2003
Magna injectors Sat, 24 May 2003 13:13 Go to next message
I have been told that a Magna has large fuel injectors. Has anyone tried to adapt them to something like a 1JZ-GTE. Does anyone know the flow rate of them
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nos4ag
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Re: Magna injectors Sat, 24 May 2003 14:20 Go to previous messageGo to next message
They wont be a bolt in fit though into the 1jz-gte. The 1jz's are side feed and the magnas arn't. I work at Mitsubishi, so I can find out the flow rate on monday for you!
Regards, NOS4AG!
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TA22-3SGTE
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Re: Magna injectors Sat, 24 May 2003 21:00 Go to previous messageGo to next message
The 1JZGTE injectors are are about twice the flow of the magna one's

Trevor

[Updated on: Sat, 24 May 2003 21:02]

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Mr DOHC
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Re: Magna injectors Sun, 25 May 2003 01:33 Go to previous messageGo to next message
then 1JZGTE ones must be about 800cc

TH/TJ 6G74 injectors are around the 400cc mark

maybe TM astron ones maybe small as


{i also work at mits}
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TA22-3SGTE
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Re: Magna injectors Sun, 25 May 2003 06:56 Go to previous messageGo to next message
I'm going off the injectors in the early 2.6 magna.
I think the 1J injectors are about 450cc

[Updated on: Sun, 25 May 2003 07:00]

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jbrough
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Re: Magna injectors Sun, 25 May 2003 07:52 Go to previous messageGo to next message
I'm pretty sure that the Jap Domestic market injectors are 380cc on a 1JZ.
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ddeane
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Re: Magna injectors Sun, 25 May 2003 08:24 Go to previous messageGo to next message
Gidday all

Looks like another case of soemone saying wot they think rather than wot they know. Its becoming increasing annoying maybe if it is a guess you should qualify your statement!


Craig
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TA22-3SGTE
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Re: Magna injectors Sun, 25 May 2003 11:36 Go to previous messageGo to next message
Do you know that or do you just think that !!!!!
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Grant
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Re: Magna injectors Sun, 25 May 2003 22:00 Go to previous messageGo to next message
1JZGTE = 380cc
2JZGTE = 440cc
2JZGTE US spec = 550cc
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celicaboy
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Re: Magna injectors Tue, 27 May 2003 10:11 Go to previous messageGo to next message
the lexus v8 injectors are a very good upgrade for the 7mgte's.. aparently they flow very well (lexus v8)
so maybe it might be the same for 1jzgte's.. it would be good to find out.. if the injectors are maxing out you just buy a malpassi fuel reg anyway they are fully adjustable
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manipulate
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Re: Magna injectors Tue, 27 May 2003 10:20 Go to previous messageGo to next message
TA22-3SGTE wrote on Sun, 25 May 2003 21:36

Do you know that or do you just think that !!!!!



Laughing
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celicaboy
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Re: Magna injectors Tue, 27 May 2003 10:29 Go to previous messageGo to next message
do i know or think which bit? if you read it you will see that it is a thought but i know that the lexus v8 injectors are good upgrade for the 7mgte
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nos4ag
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Re: Magna injectors Tue, 03 June 2003 10:32 Go to previous messageGo to next message
I had a look at the injector specs and the 6G74 (3.5L V6) injectors were about 600cc/min. But my surprise was VR4 injectors! They are 900cc/min! Get some of them, or EVO ones they are about the same as VR4. But they still wont be a bolt in fit.
Regards,
NOS4AG!
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gianttomato
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Re: Magna injectors Tue, 03 June 2003 13:17 Go to previous messageGo to next message
celicaboy wrote on Tue, 27 May 2003 20:11

the lexus v8 injectors are a very good upgrade for the 7mgte's.. aparently they flow very well (lexus v8)



Incorrect.

The Lexus AFM and 550 cc/min injectors are a good upgrade for the 7MGTE.
Contrary to popular belief, 1UZFE injectors do not flow 550cc/min - more like 250cc/min. The 550 cc/min injectors are low impedence units from the RX7 turbo.
Read more about this here.
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jbrough
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Re: Magna injectors Wed, 04 June 2003 07:12 Go to previous messageGo to next message
That lines up with what I was told. I will have to find out how different they are, and if it is cheaper to machine things to fit them, rather than paying an arm and a leg for aftermarket injectors.
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celicaboy
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Re: Magna injectors Wed, 04 June 2003 10:41 Go to previous messageGo to next message
actually there has been a few modded 7mgte's with the lexus v8 afm.. it took the boost cut from 11 to around 14-16psi of boost.. along with the v8 injectors and it made a good increase in power for the 7m's and are able to run more boost i have seen a few articles with this about 7m's with that it is a good cheap mod for the 7m's. even with just the v8 AFM it makes a noticeable difference with the 7m's.

[Updated on: Wed, 04 June 2003 10:43]

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draven
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Re: Magna injectors Wed, 04 June 2003 10:51 Go to previous messageGo to next message
so who has a set of US spec 2jz-gte injectors lying around they want to give/sell me? Smile
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jbrough
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Re: Magna injectors Wed, 04 June 2003 12:10 Go to previous messageGo to next message
I'm going to have a look at the Magna injectors, and see how much work it is to fit them in.
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Norbie
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Re: Magna injectors Thu, 05 June 2003 01:04 Go to previous messageGo to next message
Celicaboy, get your facts straight. As GT has already explained, the Lexus V8 injectors are smaller than the stock 7M 440cc injectors. You have to use 550cc injectors which are commonly obtained from RX7's.

I know people who have actually done this mod, so I'm not just regurgitating bullshit I've read somehwhere.
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thefastj
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Re: Magna injectors Thu, 05 June 2003 01:51 Go to previous messageGo to next message
let's set this straight..

1UZ-FE = 251cc/min (high impedance)
7M-GTE = 440cc/min (low impedance)
RX7 = 550cc/min (high impedance)
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gianttomato
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Re: Magna injectors Thu, 05 June 2003 01:53 Go to previous messageGo to next message
celicaboy wrote on Wed, 04 June 2003 20:41

even with just the v8 AFM it makes a noticeable difference with the 7m's.


Incorrect.

This will cause the motor to run LEAN. Under boost, this will lead to a terminal event.

Also The 1UZFE AFM will NOT work on the 7MGE...it does not utilise the Karman Vortex style AFM like the GTE.

These modifications are well documented on a multitude of Supra websites. Look up 'Reg Reimer' and 'Lexus AFM' in any search engine and you will come up with a plethora of results.
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Norbie
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Re: Magna injectors Thu, 05 June 2003 02:11 Go to previous messageGo to next message
gianttomato wrote on Thu, 05 June 2003 11:53

This will cause the motor to run LEAN. Under boost, this will lead to a terminal event.

While I agree with you in general, I know someone (Wastegate from these forums) who ran a Lexus AFM with standard injectors for quite some time. Somehow his engine didn't blow up... but I think he had to retard the ignition a fair bit.
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gianttomato
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Re: Magna injectors Thu, 05 June 2003 02:27 Go to previous messageGo to next message
Norbie, I must admit I don't know anyone who did the AFM thing on its own, only guys that have done the package deal. In true Japanese style, it's probably running rich under boost in std condition, which probably affords a bit of safety when you suddenly ask it to run leaner by using the 1UZFE AFM alone. However, on an already 'critically' tuned motor, it probably WOULD be a recipe for disaster.

Doing the AFM thing AND 250 cc/min 1UZFE injectors would definitely kill the motor.

I just want to point out why one might want to change the AFM, what that then does to the injector signal and the implications that has on air fuel ratios.

[Updated on: Thu, 05 June 2003 02:35]

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E30-323ti
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June 2002
Re: Magna injectors Thu, 05 June 2003 04:48 Go to previous messageGo to next message
A good friend of mine did the Lexus AFM swap only and went through 3 engines in his NZ new MA71, then saw the light and bought a JZX100.

As for the VR-4 injectors being 900cc/min, what a crock!
And I highly doubt the magna ones are anywhere near 600cc/min.
Check www.NZMMC.co.nz forums, you'll quickly learn, VR4 450cc/min, Evo 1-3 510cc/min, Evo 4-on 550cc/min.

The 550cc/min RX-7 injectors come in high and low impedance.
S4 low
S5 high

[Updated on: Thu, 05 June 2003 04:51]

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Norbie
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Re: Magna injectors Thu, 05 June 2003 05:47 Go to previous messageGo to next message
I don't know how big Magna injectors are, but it's worth mentioning that some Magnas have single point injection, which means they have one injector for the whole engine. I expect that would have to be a fairly big injector.
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celicaboy
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Re: Magna injectors Thu, 05 June 2003 07:09 Go to previous messageGo to next message
you use the 7m guts in the v8 housing on the afm Smile then it wil work fine the v8 has a slightly bigger bore in it
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Norbie
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Re: Magna injectors Thu, 05 June 2003 10:32 Go to previous messageGo to next message
That would be utterly pointless though!
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gianttomato
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Re: Magna injectors Thu, 05 June 2003 11:08 Go to previous messageGo to next message
And why would you downsize to 250 cc/min 1UZFE injectors?
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Mr DOHC
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Re: Magna injectors Thu, 05 June 2003 11:25 Go to previous messageGo to next message
i feel like a dead-set tool, i said that maga ones were like 400cc, i got in contact with the bloke who does the injector cleaning or my work and he said they were like 250cc, and TM?N?P astron ones are similar.

as norbie said "so I'm not just regurgitating bullshit I've read somehwhere"

well i was Embarassed
bugger

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Pete
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Re: Magna injectors Thu, 05 June 2003 11:38 Go to previous messageGo to next message
Norbie wrote on Thu, 05 June 2003 15:47

I don't know how big Magna injectors are, but it's worth mentioning that some Magnas have single point injection, which means they have one injector for the whole engine. I expect that would have to be a fairly big injector.



No magna's have ever had single point injection.

2Lt Starion engines have single point.

Magna injectors are pissweak!!

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Mr DOHC
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Re: Magna injectors Thu, 05 June 2003 11:52 Go to previous messageGo to next message
cordia's were an upgrade from starions they had DUAL point injection
Shocked Shocked Shocked Shocked Shocked Shocked Shocked Shocked Shocked

$600 per new injector from mits
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Pete
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Re: Magna injectors Fri, 06 June 2003 00:26 Go to previous messageGo to next message
Starions are single point but have 2 injectors, the starion turbo motor is 99% the same as a cordia engine.

P.S. I am not a Mitsy freak, my mate is!! He would not be happy if i did not correct the mis-information that sourounds the mitsubishi product, within this internet forum.
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celicaboy
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Re: Magna injectors Fri, 06 June 2003 10:48 Go to previous messageGo to next message
i agree with pete.. the cordia and starion are both centre point injection.. but the starion had a slightly different set up .. one model starion had the same centrepoint as the cordia so that model only was interchangeable using the same ecu int he cordia but eyah they are both centrepoint.. if anything the starion has a better centrepoint over the cordia
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Mr DOHC
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Re: Magna injectors Fri, 06 June 2003 11:48 Go to previous messageGo to next message
who cares, they are both buckets of shit Very Happy

i dont wanna know the deatils of them i just had a customer come in recently and get some injector seal kits and i realised there was only 2
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nos4ag
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Re: Magna injectors Fri, 06 June 2003 12:42 Go to previous messageGo to next message
Hey E30-323ti! I work at mitsubishi building the motors and I saw the stat. sheets on the injectors! And YES the VR4 injectors are 900cc\min!!! You dont know, "I" work there!
And the magna and EVO ones are also the same as I said in a previous msg.! And as for the magna being only 1 injector for the whole engine, that is wrong. They are multi point, with 1 injector per cylinder = 6 injectors.
I hope this has helped you jbrough!
Regards, NOS4AG!
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celicaboy
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Re: Magna injectors Sat, 07 June 2003 01:56 Go to previous message
nos4ag.. magnas comes in 4 cyl as well. Very Happy
and yes i agree with philmelvin the cordia and starion centrepoint are shit.. i hate it on my cordia. they leak after a while and injectors are know for leaking where the switch is and then they are throwaway on them.
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