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Where to buy 720's

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Old 02-19-03, 12:35 PM
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Where to buy 720's

Any hints on where to buy high impedence 720's at a good price? Is this possible?
Old 02-19-03, 12:37 PM
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No such thing that come from the factory...

RC Engineering offers custom bored out units that are not originally 720's, but these are not "cheap".

The ND's that GReddy offers are $136.36 full retail, but these are all low impedence fuel injectors.&nbsp Nothing a set of high watt resistors can't fix.


-Ted
Old 02-19-03, 12:50 PM
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I see. Well with that in mind, I think I may go with 680s. Im currently just getting the T2 engine ready to install. Mods will include complete exhaust from turbo back, ported wastegate, ported manifold, removed twin scroll, removed 2nd TB plates, and possibly TID mod. Fuel mods so far are Walbro 255 and FCD. Which injectors will keep me safe? Thanks again.
Old 02-19-03, 12:51 PM
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If you're talking about 680's out of a 1984-1985 GSL-SE, you do realize that these are low impedence units, right?


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Old 02-19-03, 12:56 PM
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Yea but it seems short of going to RC Engineering, most of the injectors I'll find are low impedence. So I may as well retrofit them.
Old 02-19-03, 01:58 PM
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Greddy 720cc injectors, $110 each @ rx7store.net

Are these high impedence? I hope so, they are what I plan on getting.
Old 02-19-03, 02:38 PM
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Originally posted by 13bpower
Greddy 720cc injectors, $110 each @ rx7store.net

Are these high impedence? I hope so, they are what I plan on getting.
No, they are not.


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Old 02-19-03, 04:37 PM
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Low impedance injectors are seriously no big deal - hell, if you can pull the upper intake off and put the new injectors in, you're more than qualified to install a 99 cent resistor from Radio Shack!

Guess how Mazda set up the '86-87 cars with low impedance resistors? That's right, they put a resistor block in-line with the injectors.

Easy to do, works great.

Dale
Old 02-19-03, 05:04 PM
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Why have a difference in resistance anyways? this doens't make sense to me at the current time.
Old 02-19-03, 10:33 PM
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So 680's or 720s for that setup??
Old 02-20-03, 03:19 AM
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up^
Old 02-20-03, 09:56 AM
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Try:

http://www.precisionte.com/

I really don't know if they sell the ones you need......
Old 02-20-03, 11:09 AM
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GReddy 720CC=$109.00

TeamFC3S Store Injectors
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