WHAT IS THE BEST ENGINE SWAP FOR 350Z - Nissan 350Z Forum, Nissan 370Z Tech Forums
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#1 (permalink) Old 01-31-2006, 07:55 AM
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What would be the best engine swap for a 350z and possibly still retaining the stock 6sp gearbox?

My opinion is a RB26 or 20B ROTARY

What do you guys think?

Im looking at options at the moment as the car will mainley be used for drift
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#2 (permalink) Old 01-31-2006, 08:38 AM
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I think the RB26 is the most common, it gets really pricey though.
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#3 (permalink) Old 01-31-2006, 09:24 AM
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Yeah i agree does anyone have any links to someone who has completed this conversion?
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#4 (permalink) Old 01-31-2006, 09:33 AM
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An RB25 or RB26 is your best bet if you're doing a complete swap. It's really pricey and I don't know anyone other than big sponsored companies that have done it. Good luck finding someone that can do it for you; I'm guessing it will be a bigger headache than it's worth. You'd have to replace engine, engine mounts, tranny, driveshaft... :headbang:

Building your VQ with twin turbos and forged internals would be much cheaper than the swap and you would have more power for the money you spend too.
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#5 (permalink) Old 01-31-2006, 09:52 AM
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why are you interested? Weight? Go with an sr20DET if you are really interested in saving weight. The Signal Auto drift car saved an estimated 600-800lbs .I dont know how realistic these numbers are, but that is what is stated in the article.

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#6 (permalink) Old 01-31-2006, 12:35 PM
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Swap it with a fully built VQ35 long block!

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#7 (permalink) Old 01-31-2006, 01:32 PM
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why are you interested? Weight? Go with an sr20DET if you are really interested in saving weight. The Signal Auto drift car saved an estimated 600-800lbs .I dont know how realistic these numbers are, but that is what is stated in the article.

Just because the SR20 has two less cylinders, don't think "lighter".. remember it is a Cast-Iron block. The weight savings is actually negligable from that angle.

For a drift car, IMO, I'd rather a Q45 block. Port, polish, bore and stroke. Instant steady torque - no turbo's to have to keep ahead of and continually modulate to keep precise power. N/A is the way I'd go for drift applications.
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#8 (permalink) Old 01-31-2006, 05:39 PM
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Ive done some research on the topic. With an rb26 swap you will need an rb25 transmission...these combined will run around 4g's. Being a cast iron blocked motor it is far heavier than the VQ which would negatively impact handling. Im sure its a headache with the custom fabrication and fitment issues...but I think it will run about the same $ as a built and turbo'd VQ. Plus you can always sell your VQ to fund the project or keep it in case you decide to throw it back in. As far as the sr swap, Ive seen the article that toykilla is refering to.
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#9 (permalink) Old 01-31-2006, 06:29 PM
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What would be the best engine swap for a 350z and possibly still retaining the stock 6sp gearbox?

My opinion is a RB26 or 20B ROTARY

What do you guys think?

Im looking at options at the moment as the car will mainley be used for drift
Why would you bother with an engine swap when the VQ engine is such a good platform for high power?

Seems to me that you will trash the resale value of the car if you swap out the engine, food for thought.

Peter
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#10 (permalink) Old 01-31-2006, 06:34 PM
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