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Old 09-19-2004, 04:50 PM   #24
Broke_as_****
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Re: Twin Turbo Swap... READ

Quote:
Originally Posted by Zgringo
1. Right, the TT is a direct dropin for a NA and parts, no problem. This would be my first choice.
Because it makes alot more sense.

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2. Wrong, the VH45DE, VH41DE and VK45DE are used in most of the Infiniti cars plus in the Nissan trucks and SUV's. As for price, a Z32 TT clip runs around $2,500 to $3,800 whereas the VH45DE is around $850, being more available. Supply and demand crap.
I don't know where you are getting your Z32 TT clips from but you are getting ripped off. Importers can get them for less than $1500. And I doubt anyone is going to sell you a clean low mileage front end off a late model Q45 for less than that.

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3. Wrong, the cost of the clip plus the upgrades to match the performance of the VH45 would be:
VG30TT
a. $2,500 TT frontend clip
b. $1,200 good exhaust
c. $500 upgrade ECU
d. $200 POP intake
Total $4,400 give or take a few hundred
Again, I don't know where you are getting your parts but you are getting ripped off. Check out z1motorsports.com, and their basic power package to get you to a stage 3 Z32 TT. $1100 bucks shipped. Plus the cost of the clip that we didn't get ripped off on and you got a hell of alot less then you are quoting here.

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VH45DE
a. $1500 VH45DE engine
b. $100 stock bellhousing from VH45 engine to VG30 transmission
c. $1,000 ECU and wireing harness for VH45
d. $300 4 row radiator
e. $1000 for fab motor mounts and odds an ends
f. $1500 for labor on the swap
Total $5,300 give or take a few hundred
So in this case we'll add a bit to make your numbers more realistic and keeping in mind that while the TT swap is fairly easy as swaps go because the engine was designed to be in the car, 96.34% of people will have to source an outside shop to swap the VH, and we are over double the VGs number and the VG is a turbo and thus can be made to make more power alot easier. Because this is not a car the VH was meant to be in you'll have to fab your own exhaust and thats not too bad however, I think the tuning world is still waiting on the fab your own headers at home kit. Not to mention you have to get another 1300 rpms out of the VH to make that 450hp.

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4. Wrong, the race prepped VH45 engine with a "mere" 450 HP only had a POP intake and headers with 3" exhaust, no cats. To go beyond, quite simple. Put a Eaton M112 supercharger with a 130 F Delta output temp @10 boost. and 650HP with a cost of $1,500. And we still haven't opened the engine yet.
What does it cost to make this much power from a VG30 engine.
And were forgetting that the VH45 is 100lbs. lighter than a VG30 engine. The Z32 is alittle on the heavy side.
And I would really like to see you run that 10psi of boost on 10.5:1 compression for more than a half hour, VH factory forged bits not withstanding. That and I dont' see how you are going to be able to make a custom set of headers for the VH in the Z32 and custom 3" exhaust plus all the supercharging work for 1500. So with the supercharger ruled out and a full exhaust system and intake done you got what you can do with a NA engine? Underdrive pulley? Changing the oil? And you are already far past the VG in price without anywhere really left to go.

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5. Kinda right, it would be a unique swap, but engineering wise, the swap would make the car lighter with the ability to make more power if you chose to go that route. As for having to much money, they would save plus have a newer engineered engine still in production, and it is NISSAN.
They wouldn't save, and dropping this much cash to cut 100 pounds on a car that is over 3000lbs is somewhat of a drop in the bucket. Yeah you would see an improvement, just as you would if you spent all this money on other things.

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6. You couldn't be more correct. This tread is 'bout swaping a TT and not a VH45. And I wouldn't suggest anyone doing a VH45 swap unless they had the knowledge and ability to do it.
Which rules out 96.34% of the human race and just about everyone here. And if you can do all this by yourself then I direct you here

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As for myself I want both, I'm not greedy, I just love the Z's. My intention wasn't to muddy the waters, but to add another choice. Life is all a matter of choices, some good and some not so.
Like a VH swap for example.

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See you at the finish line.
Yep, hope you like my stock USDM tail lights.
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