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Jecs Injectors - From Usa ?

tripsteady
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boostn0199 Grand Master

boostn0199

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Posted

Heard of this , but this one seems to be rand new. I think the remanufactured ones are sold in AUS (i would not buy re manufactured personally)

This is exactly what I was looking for.

There are common upgrades for the RB ( z32 afm , splifire coils etc)

What is the common upgrade for injectors (am I to assume its the 550 Nismos?)

Dont really want to go top feed and have to mess around with brackets. Is there anything else with a proven track record that is drop in?

I started off with nismo 550 but the reason why I did end up going with these 5omotorsport 1000s was due to nismo not going bigger the 740 and theres nothing else really out there in 1000s that will drop straight in as the next step is mucking around putting top feeds in but is a hassle if you still run the standard plenum. But yeah as I said mine have been perfect so far and they idle like the stock and nismo ones did so no problems there.

tripsteady Proficient

tripsteady

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but but...you said.... but...

Can only speak about z32 application but part number is same.

I do not like the way that they use an oring on an oring to seal the injector into the bucket. That's the first/main issue (again, in z32 application).

Second issue is they cost me 2 engines (1 forged) because 1 was not flowing as it should at higher duty. Issue was masked by the others showing 'safe' afr's.

Not specifically the injectors fault, but I blame them :P

Nismo 555's have been used in z32 for aaaaaaaaages. They are the benchmark for oem replacement, upgraded injectors.

New style nismo 615s have superceeded the 555's AFAIK.

:(

scotty nm35 Grand Master

scotty nm35

Posted
Posted

the next step is mucking around putting top feeds in but is a hassle if you still run the standard plenum.

The short 1000's fit under the plenum, no hassles there. Even the longer 3/4 length top feed injectors will fit, depending on the rail. The hassle is getting a reg to suit, as the stock reg won't screw into the rail. (unless you use a stock Neo rail...)

If this is stumping you, stop modifying the car yourself, as it is very basic work imo. Just pay someone to sort it all out for you.

boostn0199 Grand Master

boostn0199

Posted
Posted

The short 1000's fit under the plenum, no hassles there. Even the longer 3/4 length top feed injectors will fit, depending on the rail. The hassle is getting a reg to suit, as the stock reg won't screw into the rail. (unless you use a stock Neo rail...)

If this is stumping you, stop modifying the car yourself, as it is very basic work imo. Just pay someone to sort it all out for you.

The question is not whether you can or cant the question is if you have an option that will work out cheaper bolt straight in no need for new connectors rails regs why would you bother going top feed route. $650 will get you 1000cc delivered that bolt straight in and do the job well.

tripsteady Proficient

tripsteady

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The question is not whether you can or cant the question is if you have an option that will work out cheaper bolt straight in no need for new connectors rails regs why would you bother going top feed route. $650 will get you 1000cc delivered that bolt straight in and do the job well.

this. I'm not going for anything to crazy - Im looking for power levels most Skylines owners would laugh at(230rwkw).... why spend more time and effort when I can drop in side feeds that do the same job for cheaper and less work.

boostn0199 Grand Master

boostn0199

Posted
Posted

this. I'm not going for anything to crazy - Im looking for power levels most Skylines owners would laugh at(230rwkw).... why spend more time and effort when I can drop in side feeds that do the same job for cheaper and less work.

They are doing 350kw on e85 on my setup on my track car so they get put to the test and are performing fine so there is no problems with rhem just cause some high flows are poor backyrd jobs doesnt mean all are.

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