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Converting R33 Gtst To Top Feed Injectors

quarkgun

By quarkgun,
in Engines & Forced Induction

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quarkgun Proficient

quarkgun

Posted
Posted

Hey Guys,

Thinking about converting to a top-feed injector setup, to open up alot of options for me. Just wondering if anyone has done it, what the pitfalls and traps are. How easy was it, costs involved etc.

I've done a search, but just cant find an answer.

Thanks

DRD-00F Grand Master

DRD-00F

Posted
Posted

fuel RAILS on the other hand... I'm yet to find a single aftermarket side feed option... not even a cheap copy is available! :laugh:

If I could swap my 850cc side feeds for top feeds, I would in a heartbeat... I'm miffed I didn't do more research...

rob82 Mentor

rob82

Posted
Posted

I can see the appeal of top feed injectors - bosch's latest range of high impeadance EV14 injectors are available upto 1000cc/min twin spray. Bet they would tune great to. It seems that top feed is the what all manufactures are going to if not Direct injection.

STATUS Grand Master

STATUS

Posted
Posted
fuel RAILS on the other hand... I'm yet to find a single aftermarket side feed option... not even a cheap copy is available! :laugh:

If I could swap my 850cc side feeds for top feeds, I would in a heartbeat... I'm miffed I didn't do more research...

what power are you making? im yet to max out the std rail on pump.

NYTSKY Grand Master

NYTSKY

Posted
Posted

I was at 350rwkw on E85 with the standard rail. Only changed rail to go bigger 14mm injectors.

To the OP, no need to go top feed unless you are chasing BIG power.

If only Nismo made a 1600cc injector lol The 740s i had were the best injectors i have ever used.

  • 1 year later...
Ultimategtr Proficient

Ultimategtr

Posted
Posted

Sorry to revive an old one, but im interested in getting a top feed setup on my R33. Main reason is because I want to get ID 725cc's. They are alot cheaper then any other type, eg SARD, NISMO.

I run a standard intake plenum. Would I be able to buy eg, an R34 GTT rail and use that or do I need to modify anything else?

Cheers guys.

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