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Swapping Out A Neo Engine For A Non Neo Engine

Pr0x1mity
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Pr0x1mity Proficient

Pr0x1mity

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Posted

Hey guys,

I have an R34 GT-4 and i've wanted to turbo it from day one. At first I was going to go down the route of slapping DET parts onto my DE Neo, but have looked into it and it appears it will be probably cheaper for me to just put an engine complete in it.

Basically I have been offered an engine at a good price and it's fairly local. It's an RB25DET from an R33. So it's not a Neo. And it would be going into an R34.

Is there anything I should know before comiting to it? I know the Neo system is better for fuel and pulls more power, but the power from the DET still out weighs that.

Whats my best option for bang for buck.

GTSBoy Grand Master

GTSBoy

Posted
Posted

Neo all the way. Older engine not technically legal into later manufactured chassis anyway, so you will have some difficulty getting it through your local department of motor vehicles arsehole-fest.

And you need to consider that you will have a much easier job wiring it if you get an engine from an R34 (ie most connectors will be the same). And you have an AWD sump, yeah? So you'd be looking for a Neo Stagea motor as your best option. And then there's the brake upgrade, etc etc.

XRATED Veteran

XRATED

Posted
Posted

TBH depending how much power you want will determine what decision you go with.

First off, don't go backwards.... just don't do it.

If your looking in the stock turbo power range, DE+T... cheap and easy, stock DET ecu, injectors etc.

If your looking low to mid 200's and not a lot of track work, DE+T... just add more comprehensive management and fuel system.

Anything much past high 200's or a lot of track work start looking at an engine/trans swap. As suggested above, a s2 stagea NEO rb25det is the best value for money.

Cheers

Justin

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