Top Feed Fuel Injectors

[Raxephon]

I'm currently searching for injectors that are compatible with the factory ecu, and keeping with the stock ecu I would like to find a set of high impedance injectors.

Fuel rail and mounting are going to be custom so thats not even the issue.

I would like to stay away from resistor boxes/packs.

Also would like go with something that lasts a while, even with the crappy fuel we are forced to use.

Does anyone have any suggestions?

[Mettler]

GTR are top feed, no? Though I dunno if they're high or low impedance :/

[TSL]

GTR injectors are top feed and low impedance.You could use 2 ca18det resistor packs.

If you don't want to do that then you need to find some rx7 13b injectors.

All 1988 rx7 injectors are square plug, high impedance.N/A are 460cc and Turbo are 550cc.

89-91 are the same but have the oval shaped plugs.

[SuperHatch]

http://www.fuelinjectorclinic.com/honda/index.html

Honda injectors, at least the ones found on this site, are high impedance with the correct plug to work with the factory wiring harness.

[ultrapulse]

I have a set of 8 (9 actually) top feed s5 rx7 high imp cleaned and flow-tested injectors, and new seals. they are 550cc. Was going to use these on my VH but plans may have changed. make an offer. (but be aware that I paid good money for them)

[Mettler]

What is the advantage of going to top feed injectors, other than ease of removing/changing the fuel rail?

[Raxephon]

Ease of access, reduced possibility of pinched o-rings, more 36lbs injectors readily available.

Also, every pic I've seen of early Nissan race V8's seem to be using/have used top feeds.

[SuperHatch]

What is the advantage of going to top feed injectors, other than ease of removing/changing the fuel rail?

Ethanol Compliance, Cheaper than side feeds by far, easier to replace (although on the VH this is still a mute point since we need to pull the plenum), wider variety of sizes (240cc to 1600cc), did I mention they're cheaper?

[hannibal]

Also, every pic I've seen of early Nissan race V8's seem to be using/have used top feeds.

the Indy VH motor??

Also here's a list of some OEM top feed injectors I put together years ago...zerothread?id=109492