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brian

JZX81 fuel pump

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Anyone know the flow rate of the factory JZX81 pump?

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Sorry, but I am clueless about anything JZ, except they have better ports, and combustion chambers than my 7M,

and most people are afraid of turning them at an RPM, that I consider a performance engine should.

 

But you can still swing a ban-hammer on that parasite..

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Sorry, but I am clueless about anything JZ, except they have better ports, and combustion chambers than my 7M,

and most people are afraid of turning them at an RPM, that I consider a performance engine should.

 

But you can still swing a ban-hammer on that parasite..

 

The fuel pump, not the engine.

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I know...

Just stating that I knew nothing.

But if I were to make an halfway intelligent guess, I'd say the same pump as the MkIII turbo, MkIII N/A, and the MX83.

They all used the same pump....

It might be easier to find the MkIII info, than that of a car that most people in the US think is some sort of weird Camry.

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Well if it winds up being the same pump as the MX83 then that would be pretty funny. I remember back in the dark ages (early 2000s forums) the common sentiment was if youre swapping in a 1JZ you better upgrade your pump ASAP or it will lean out bro! Not safe [early 2000s meme]!

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Look up the part numbers...

 

So, I did.

Not....

Same as 1UZ Lexus, and MkIII turbo, but not NA Supra/Cressida.

 

What I get for listening to someone on SupraMania....

 

So go rob one out of a Lexus, or just buy a Walbro, and pray that you don't get one from chinastan.

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How do you know if it was a real Walbro?

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I know this doesn't directly answer your question, but I'm using the pump from a '98 Aristo that came with my 2JZ. I believe it's the same Denso unit they used on the TT MK4 Supra. If you need a new pump, I'd look into those.

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