turbo V6

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supersportsedan
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turbo V6

Post by supersportsedan » 16 Dec 2004 05:46

Does anyone know much about the V6 found in the 84-86 era 300zx? Is it a VG30ET? I think I've only seen one in a 510... I wonder why it hasn't been done more. Is the motor any good? Puts out decent hp? Is there a reason there are not more of these swaps done? Besides the fact that there are not many single turbo 300zx's around...

I'm asking this because I honestly had a dream about putting one in my 510... haha! and in the same dream I was also contemplating swapping in a supra turbo 6 like that wagon in Oregon. It must be a sign...

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RE: turbo V6

Post by pokey » 16 Dec 2004 09:51

Yeah, it's a vg30et, same swap as a vg30e... except the non turbo has a tight fit between the steering box and the exhaust manifold... The turbo crossover goes behind the motor! so you're gonna need to replumb that.

My brother wants to do that to his vg30, but there will be a fair amount of exhaust manifold fabbing...

-Paul
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RE: turbo V6

Post by 5teN » 16 Dec 2004 15:47

Yeah, basically the problems is figuring out where to put the turbo...and how to plumb it! Might as well go TT...
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RE: turbo V6

Post by 510rob » 16 Dec 2004 15:51

one of the Oregon fellows that was up for the show in the summer was telling me of his plans to add a single "disco potato" turbo to his VG30, mounted approximately where the battery used to go

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RE: turbo V6

Post by rnorrish » 17 Dec 2004 02:09

I thought the disco potatoes were for 4 cylinders?
richard norrish
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shardik wrote: My swap will be made of solid gold and it will run on puppy farts.

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Re: RE: turbo V6

Post by RWD_NissanMan » 17 Dec 2004 06:13

rnorrish wrote:I thought the disco potatoes were for 4 cylinders?
Yup - were originally designed as an upgrade for the 1.8 ltr. Audi/VW. It has a 60mm. compressor (62 trim 0.60A/R) and a 53.85mm. turbine (76 trim and either a .86 or .64 A/R). According to Garrett's website, it is optimized for the airflow of engines in the 1.8 - 2.7 ltr. range and with power outputs in the 250 - 320 range.

A 3.0 ltr. should use something bigger such as the GT35 (260 - 510 HP) or GT35R (400 - 600 HP) in my opinion - but I have never played with these motors or turbos. There's lots of info on the V6's over on the Z-car web sites such as hybridz.org. In a twin turbo application - twin HKS2530's or twin GT28RS are nice on the Skyline GT-R RB26DETT or 350Z TT. With a twin setup, you just split the requirements and use smaller turbos. How to calculate a rough sizing is here:

http://www.turboneticsinc.com/guidelines.html

It would be an awful tight fit to try and get a VG30E with twin turbo setup in the engine bay of a 510. And then of course, the IC piping and intercooler mounting would be an absolute bitch to do.
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Post by gooned » 17 Dec 2004 17:27

if your going twin turbo in a 510 i have only one thing to say...
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Ratsun
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Post by Ratsun » 17 Dec 2004 19:00

I was at the auto wreckers the other day and they had a vg30 with overhead cams? it was for a front wheel drive, was it for the Maxima? Are they good motors? Can they be put into a 510? Is there a difference internaly between a turbo motor and a non turbo vg30?

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Post by pokey » 18 Dec 2004 01:58

RWD,
Do you or any of the other modern motor folks know what turbo would support 250-350hp, somewhat reliably, and (here's the kicker) came stock in some car. ie, available in junk yards. that means reasonable priced used.

Thanks!
-Paul
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I'm a "Car Nerd"

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Post by rnorrish » 18 Dec 2004 03:20

gooned wrote:if your going twin turbo in a 510 i have only one thing to say...
amen, brother!
richard norrish
'68 'goon resto / '71 ice racer / '72 'goon project / '70 4-door rust pile / '67 520 project
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shardik wrote: My swap will be made of solid gold and it will run on puppy farts.

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Post by rnorrish » 18 Dec 2004 03:36

Ratsun wrote:I was at the auto wreckers the other day and they had a vg30 with overhead cams? it was for a front wheel drive, was it for the Maxima? Are they good motors? Can they be put into a 510? Is there a difference internaly between a turbo motor and a non turbo vg30?

the Vx family are all overhead cammed motors. it was probably a Maxima motor if it was FWD, as Canada didn't get the 200SX (S110 or S12?) with 3L (mentioned before)

i believe the turbo motors are different, as per usual.

someone else should know whether the RWD tranny bolts up or not, and whether there is any other complications.
richard norrish
'68 'goon resto / '71 ice racer / '72 'goon project / '70 4-door rust pile / '67 520 project
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shardik wrote: My swap will be made of solid gold and it will run on puppy farts.

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Post by pokey » 18 Dec 2004 08:48

OK, after a bit of research, it looks like the appropriate turbo would be from either a Porsche 944 TurboS or Turbo 911. Since I'm sure both are VERY INexpensive ;) (yeah right) anyone have any other ideas? Small diesel motor?
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Post by perfectchoicemotorsports » 21 Dec 2004 17:15

The original T3 on 300ZX turbo's may not be a bad choice, if you substitute a larger T4 wheel and comp housing you will have more flow, just not sure how large a T3 Turbine housing is needed to flow the amount of air thru the turbine housing to NOT limit you in the upper RPM range of the motor! If you have ever ridden in a Turbo car that pulled real strong then seemed to die before hitting the Rev limit, that is due to, to small of a Turbine housing!

Kevin

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Post by datsunfreak » 22 Dec 2004 21:13

rnorrish wrote:someone else should know whether the RWD tranny bolts up or not, and whether there is any other complications.
The basic SOHC VG30E engine is the same, whether FWD or RWD. They are basically interchangeable. Obviously, almost none of the external bits interchange between the two. Buying a Maxima engine for a swap would be a waste of time, but if you needed to replace a trashed Z engine, it'd work for that.

And on the DOHC VG30DE, almost nothing is the same. The engines are a completely different head design.

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Post by Ratsun » 22 Dec 2004 21:34

Would the DOHC be able to put out more power than the pushrod Vg, Or am I better to stay with a reg VG? I am planning to turbo charge a V6 for my next project.

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