Putting A Vq30det Into A V35 Coupe

[arnie_350gt]

Hey has anyone put a vq30det into a v35 before, would it be able to use the standard engine mounts? Would i have to do alot of custom work? would the wiring be difficult? I am thinking about doing this because my vq35de intake sucked up a bit of water and doesnt pull in the high rpm's anymore. If it is going to be alot of work i will probably just get another vq35de

[arnie_350gt]

Also would it be legal to put a 2001 engine in a 2004 car?

[scotty nm35]

Have you had a mechanic check it out yet? I would suggest a compression test to check the head gasket and rings are ok, otherwise it should be an easy fix.

I cant imagine enough water got up into the plenum to do much damage, water will flow through the engine at a fair rate while it is running anyway. What makes you think it has done major internal damage to warrant a new engine?

My guess is the airflow meter has been damaged by the water and may require cleaning or replacement. How does the car cruise? Is it only having problems higher in the rpm?

As for the vq30det, it is an older design engine but shares the same shape, it will probably drop straight in with no dramas. You will have to run a full standalone emu and manual gearbox to run it though.

[fcruz3r]

a new Vq35 would probably hold the cars resale value better. Any other engine mods will cost you more in terms of custom parts and wiring.

[CeffyNSW]

Agree you should find out what is wrong first, probably minor. Filter?

Lots of difficulty with the electronics on the VQ30DET conversion. On the V35 they are all tied together through the on board communication system CAN. ie instrument cluster, ABS, body control and power control......

[rs73]

It is illegal to put engine from older generation onto a newer chassis.

Reason is likely that older car was manufactured with less compliant emission - newer engine has better emission than old ones.

you need to be engineered and usually an emission test cost quite literally the cost of an arm and leg that it's only worth to do the swap only if you're doing an off-street race car

[xscape237]

If you think your motor is busted, and you have money to blow on a conversion, why not just rebuild your VQ35 properly?

If I was keeping my car, which may end up happening anyway, I would have loved to do a proper all motor build.

[Chris Rogers]

to answer your question - yes it will fit. the HV35 is the 3 lt varsion of this car. the 30DET was in a gloria from memory and thats TOTALLY different to what you have in there. electrically different and I dare say a right royal pain in the arse to get going propery due to CAN networks alone.

a second hand 35DE (or get it rebuilt then toss it in - less chance of a hand grenade.) would be a wiser idea.

CEFFYNSW has done a bit of fiddling with his and it was a hair tearing exercise at best.

[arnie_350gt]

What sought of $$$$ would i be looking at to do an engine rebuild on the vq35de? maybe a high compression NA build cause it will cost way too much to turbo it and rebuild it. I did think about building an engine but isn't the labor of getting someone to tear down the engine going to cost huge $$$$. I was looking on ebay america and you can get forged internals for $1500 but getting the put in properly is alot of work! if i put in forged internals and bumped up the compression to 11:1 would i need a new ecu. Has anyone actually priced doing an N/A build, my budget for everything (parts&labor) is 10k. And if i am spending that much i want at least 280hp at the wheels and the engine to run like its new. Any good engine builders in sydney?

[rs73]

if you're gonna rebuild it you can either lower the compression and add a TT kit e.g. HKS kit for about $7k plus rebuild.

APS did 350z TT kit for 500HP output and last I checked they asked $17k drive in drive out. was told fully ADR-ed.

It should fit onto VQ35 on V35 as well.

I would imagine rebuilding will fall around $10k more or less without adding FI, either TT or S/C

[CeffyNSW]

If it is major, cheapest would be to find a replacement engine.

Lots of wrecked 350Zs around.

Guy in Melbourne had a 2006 with 26,000km on it. Have a look at this ebay item 180463507079, had his number but can not find it, has been trying to off load it for some time. Slightly different to earlier models as it will be the rev-up model.

[arnie_350gt]

I am a bit weary about buying a used engine because it could very well be a hand grenade and then that would be a big waste of $$$$ i would prefer to spend the extra and get a rebuild, and while they have cracked the engine open i might as well get some good high compression na internals, i am not looking for 500rwhp cause with the amount of money i want to spend it wouldn't be a reliable 500rwhp this car is daily driven!

[Chris Rogers]

I thought that was the concept of buying a second hand donk. buy/strip and redo so its solid. agree with your point on reliabilty. I had my share of tempermental small block chevs and grew tired of it quickly.

[OKBANANA]

I'm putting on of these bad boys into my R34..much better than a 25 or 26.

[zei20l]

if you REALLY want turbo, try a VQ25DET, good luck finding one tho

[Diamondwood]

hey did you end up putting the VQ30DET into the V35?

My VQ35DE blew up and i am given the option of the VQ30DET or a stock VQ35.The rebuilt is out of question for me as the cylinder are gone.

any advice?

[scotty nm35]

We need more information... Location? is the car manual? what ecu are you planning on running?

It wont be legal in Australia to fit a VQ30det but it could work very well as they are an extremely capable engine, it wouldn't be a strait forward swap though.

Cheapest option is to slap a VQ35de back in there...