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Discussion Starter · #1 ·
Are the alternator, water pump, condensor, fuel pump(pressure the same?)the same on both the 1ZZ and the 2ZZ? Are they interchangable

Thanks
 

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Discussion Starter · #2 ·
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Anyone know if the fuel pump for the 1ZZ has the same flow rate/pressure as the 2ZZ counterpart?

I have a 2ZZ-GE coming and would like to know what parts are interchangable before mounting it on the MR-S
 

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Alternator is not the same, the 2zz has slightly higher output. The water pump is definitely not the same, and the 1zz water pump will not fit on the 2zz.

I don't know about the other items you mentionned, but check the repair and maintenance forum for some scans from the factory Celica service manual. When there's a difference between the GT-S and the GT, they mention it and usually show both parts.

Good luck with the swap!

Marc
 

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Discussion Starter · #4 ·
Thanks. Good thing I got all the accessories. :)

What I really want to know is if the Fuel pump has the same specs.

The 1ZZ-FE pump should be enough though for the the stock power output :)
 

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I'm not too sure about that. Under 6k maybe, but once you hit lift I think it's a different story. I am talking outta my ass but I something to consider.
 

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I just checked on partznet.com, and they only list one fuel pump for all 00-03 Celicas, so unless there's a mistake with the listing, the GT and GTS use the same pump.

I also looked up the MRS, and even though Partznet does not show part #s, it looks like the same pump since they're exactly the same price, to the penny.

Marc
 

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Discussion Starter · #7 ·
thanks a lot marcus.

Actually I thought so. Should have a constant pressure of 50psi IIRC. And even if they where not the same. The stock MRS pump does well at over 200hp on turbo cars :)
 
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