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VQ35HR Twin turbo Sil80

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Old Oct 2, 2012 | 03:24 AM
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Default VQ35HR Twin turbo Sil80

Hi guys,

I'm building a time attack car here in Australia. Seeing its powered by a VQ35HR i thought i'd post some pics of the build.

Previously powered by an RB25 making about 430rwhp for 5 years, cracked the block, started 2 RB26 builds, but both had more block issues.
My mate/tuner/mechanic and i sitting around trying to decide what engine to slot into the S13. He jokingly said a VQ but i thought it wouldn't fit.....did a bit of searching mainly here on 350Z to learn about the new engine!

Anyway, bought a HR from Racer59 from here, and had it shipped to Aus from NZ.

Been slowly getting VQ bits together, I used the VQswap engine & gearbox mounts, but it was sitting too far forward and high, so we've cut the cross member to get it as far down and back as possible. Also relieved the firewall in one spot as well.

Engine wise, it will run standard internals with the turbo's to shake it all down. Then we'll pull the engine over Xmas and rebuild with rods and pistons etc.
Output won't need to be massive, car should come in around 1050kg or2300 pounds complete.
Will be fed E85, use 2xTD0518G, Haltech Platinum etc etc

Here are some fab pics removing part of the crossmember and engine mounts.


Relieving the firewall


Bye bye engine mount



Tacking in new support brace for cross member

New piece in place

Now sitting about 100mm - 4inches further rearward and about 1.5inhces lower.

Lots of room now! This will help run radiator ducting to the hood as it will run a full flat floor.


Cage isn't finished yet, needed to get the engine in its final spot to complete the strut top bracing and see where we can run them without fouling the engine.
Pedal box should arrive this week and then we can complete the cage.

The engine will now come out along with the cross member to complete the welding.

More to come.
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Old Oct 2, 2012 | 04:43 AM
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Nice fab work, and that Vq has tons of room up front!
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Old Oct 2, 2012 | 04:53 AM
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Nice work. VQ's do sit higher in the S chassis. Mckinny has some good swap stuff available:

http://mckinneymotorsports.com/prod_VQ-240sx+swap
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Old Oct 2, 2012 | 04:58 AM
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that's pretty cool!
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Old Oct 3, 2012 | 05:12 AM
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Thanks, the only bits i needed were engine and gearbox mount. Didn't really need it but made things simple. Got them from VQswap.

Cross member is now complete, its overkill but I'd prefer it over done than under.
Bad pic but

We had planned on mounting the rack in front of the engine and swapped the knuckles over but confident it'll now go very close to oem. Plus we now have a strong and **** cross member to hang it off
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Old Oct 3, 2012 | 08:39 AM
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i like where this is going
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Old Oct 11, 2012 | 07:45 PM
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Subscribed
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Old Oct 17, 2012 | 09:12 PM
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all I can say is so many things wrong with this, I don't have the mana power to type it all!!!
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Old Oct 19, 2012 | 10:12 AM
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^ I used to think like you...

This cars gonna be a monster, keep us updated
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Old Oct 20, 2012 | 04:08 AM
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Cross member completed. all boxed up.


Cage slowly coming together

Some new pedals
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Old Oct 21, 2012 | 03:07 AM
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Coming along good, keep us posted.
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Old Oct 28, 2012 | 02:07 PM
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wow this is making me think lol
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Old Nov 7, 2012 | 02:48 AM
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Cage is finished, bit of overkill but i'll feel a lot safer now in the car.
Spent a number of hours removing the last of the sound deadening in preparation for paint.

Here's some pics




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Old Nov 10, 2012 | 06:24 PM
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no seat belts??? I don't see a harness bar above or at drivers shoulder level and it seems the roll cage is designed around the passenger side of the car...
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Old Nov 12, 2012 | 04:07 AM
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Seat belt, no not fitted man, just finished the cage. Harness is between the rear strut towers.
There's enough triangulation in there for protection.
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Old Nov 13, 2012 | 01:23 AM
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Originally Posted by johnwigs
no seat belts??? I don't see a harness bar above or at drivers shoulder level and it seems the roll cage is designed around the passenger side of the car...
Right hand Drive.
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Old Dec 1, 2012 | 01:31 AM
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Small update


Pedal box is in along with the new brake lines. You can see brake pressure sensors will mount behind the accelerator pedal


Gearbox is in, tight fit, about 2mm space each side of the tunnel.


Welding up OEM gearshift hole. You can see the new one to the rear.


Spent a heap this week. New Haltech race logger dash,


New Haltech Sport 2000 to run the HR


A heap of sensors, oil temp water temp, oil pressure, steering wheel angle sensor, front & rear brake pressure, twin wide band O2 sensors


Also new ID2000 injectors to keep it feed on E85

Gave the engine bay a lick of paint the other week.



Heat shielding is in

Last edited by junglefever; Dec 1, 2012 at 01:35 AM.
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Old Dec 7, 2012 | 03:55 PM
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Very cool build. I really can't wait to see the finished product.
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Old Dec 24, 2012 | 07:52 PM
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In for later.
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Old Jan 9, 2013 | 02:38 PM
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Interior and cage painted.
Flange positions decieded, can start on exhaust manifolds now



Pedal box refitted, brakes pressure sensors installed.
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