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Gidday, i'm about to buy a r31 gts-x with a vg30det engine and i've been trying to get info on this engine but to not luck?? anyone know the good , the bad and the general info on these engines...

its a single turbo quad cam 3L V6 which came from a nissan Cima? i have specs of the engine but just want to know the things to look for and upgrades.

cheers, Matt.......

r31vg30det.jpg

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I have spent a bit of time on VG engines.

I had a maxima with a VG30DE and nitrous oxide. + tuning. It put out 264FWHP It was a great engine and they rev very freely. also quite strong.

I currently have a VG20det in my gloria and it is a fantastic engine. it responds to mods very well and revs to 8 freely.

cant say anything bad about the VG series at all. but trust me, you dont want to rebuild one!!!

I have seen/been in a VG30det in a Cima putting out 304 rwkw with a bigger turbo and injectors exhaust and cooler.

It sounded tough and had enough torque to snap your neck!

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i've heard stories that they can blow head gaskets with extra boost?

this is the list of mods for this car:

*VG30DET - (STANDARD flywheel figure as quoted by Nissan Japan = 190kw @ 6000rpm & 343NM @ 3200rpm - using no intercooler)

*Custom heavy-duty engine mounts to suit

*VG30DETT 5 speed - Z32 300ZX, VERY strong gearbox, similar to R33 RB25DET gearbox internally

*Exedy Single Plate Brass Button Clutch

*Custom balanced 2-piece tailshaft for high RPM/High Speed durability

*APC (Advanced Performance Centre @ Underwood) Replacement intercooler - good for 600HP

*BMC Pod Filter - these filters are standard equipment for Ferrari with outstanding flow qualities and quality

*Cleaned and flow checked fuel injectors

*Malpassi fuel pressure regulator

*Turbosmart "Supersonic" BOV

*Cypher Industries Oil/Air Separator

*4" into 3" turbo dump pipe

*3" exhaust system with high flow cat

*EMS-QI-4 with version 7 upgrade including Lambda control, data logging, laptop programming with all software and **HAND CONTROLLER WITH FULL DISPLAY**

made 177rwkw at 9psi, using standard boost control.

Edited by rsx84
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*VG30DETT 5 speed - Z32 300ZX, VERY strong gearbox, similar to R33 RB25DET gearbox internally

I'd be interested to know how this was done.....the VG30DETT 5-speed has some design features that make it _very_ difficult to fit to any vehicle other than a Z32. For example the starter motor mount is unique and would definately require considerable massageing of an R31 firewall and trans tunnel to make it fit. Not saying it can't be done, just curious to know how.

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I'd be interested to know how this was done.....the VG30DETT 5-speed has some design features that make it _very_ difficult to fit to any vehicle other than a Z32. For example the starter motor  mount is unique and would definately require considerable massageing of an R31 firewall and trans tunnel to make it fit. Not saying it can't be done, just curious to know how.

the very first line of info on the car from the forsale thread was,

"over $11,000 spent on engine conversion alone (not including parts)" so i assume that means alot of time and fabracition....

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