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differences between FWD Vq35de and Rwd Vq35de

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Old Feb 20, 2008 | 06:48 AM
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Default differences between FWD Vq35de and Rwd Vq35de

I am purchasing a Z soon and i have a extra Maxima VQ laying around.. Can i use this motor for my Build up???
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Old Feb 20, 2008 | 06:58 AM
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...could maybe use the heads? send them out to be fully worked, cammed and all that then slap em on the Z engine or somethin....dunno mate
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Old Feb 20, 2008 | 07:01 AM
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Same engine, different tuning, different transmission.
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Old Feb 20, 2008 | 08:05 AM
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Heads, cams, rods, crank, pistons are the same. The block is different beacuse of the FWD mounting points.
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Old Feb 20, 2008 | 01:22 PM
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Timing covers and upper oil pan are also different for accessory and oil filter placements etc

Last edited by DandyMax; Feb 20, 2008 at 01:27 PM.
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Old Feb 20, 2008 | 03:16 PM
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Intake, exhaust, wiring harness, ECU, etc, etc, etc is also different.
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Old Feb 20, 2008 | 04:15 PM
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Originally Posted by MardiGrasMax
Heads, cams, rods, crank, pistons are the same. The block is different beacuse of the FWD mounting points.
IC....Yea casue i kno a guy Swapped a Maxima Vq using a 6spd 350z tranny into a 240sx... and i kno some of the maxima guys are using 350z IM..... so i got to examine... the mounting points....
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Old Feb 20, 2008 | 04:56 PM
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Yeah there was a couple people using the maxima vq. . .IIRC there was a discussion on nicoclub about using them and their differences. . .there is also this site. . .

http://www.engineswaptech.com/forums/thread/60.aspx
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Old Feb 20, 2008 | 05:45 PM
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Originally Posted by nismo240r
Yeah there was a couple people using the maxima vq. . .IIRC there was a discussion on nicoclub about using them and their differences. . .there is also this site. . .

http://www.engineswaptech.com/forums/thread/60.aspx
Interesting.... do you have the link by any chance from NICOCLUB
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Old Feb 20, 2008 | 08:41 PM
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No need, your maxima guru is right here And I'll confirm, it's a no go unless you want to fab up some custom mounts, wish it wasn't because low-mileage FWD 3.5s in my area run between $300-700.

In addition to the block being different (And not useable) and the pans/TC's/manifolds There actually are some minor differences internally as well. Mainly the windage trays, oil pick-up, & the headgasket is a 2-layer mls as opposed to the Z's 3-layer
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Old Feb 20, 2008 | 08:51 PM
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Originally Posted by KRRZ350
No need, your maxima guru is right here And I'll confirm, it's a no go unless you want to fab up some custom mounts, wish it wasn't because low-mileage FWD 3.5s in my area run between $300-700.

In addition to the block being different (And not useable) and the pans/TC's/manifolds There actually are some minor differences internally as well. Mainly the windage trays, oil pick-up, & the headgasket is a 2-layer mls as opposed to the Z's 3-layer


Basically. Though from what I've seen, the first generation RWD VQ had 2 layer gaskets as well.

If anyone wants, I can get pics of a RWD block next to a FWD block tomorrow, to show a side by side comparison of how the blocks are cast re: motor mounts. Vastly different.

Might actually do it just to have Nealoc or Nismology make it a sticky in AM on the org...too many questions about this there as well.
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Old Feb 21, 2008 | 06:49 AM
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Originally Posted by pmohr


Basically. Though from what I've seen, the first generation RWD VQ had 2 layer gaskets as well.

If anyone wants, I can get pics of a RWD block next to a FWD block tomorrow, to show a side by side comparison of how the blocks are cast re: motor mounts. Vastly different.

Might actually do it just to have Nealoc or Nismology make it a sticky in AM on the org...too many questions about this there as well.

That Would Be Sweetttttttttttt
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Old Feb 21, 2008 | 11:07 AM
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Originally Posted by eyecon7
That Would Be Sweetttttttttttt
Haven't gotten a side by side yet (FWD block is still in the machine, stock sleeves haven't been completely removed yet :wall: ), but here's some pics I took just a bit ago:

FWD


RWD


The blocks are both positioned in the same way, with the same side facing the camera. It's basically the same on both sides. I'll try to get one later of them laying next to each other, but this should do for now.

You can clearly see how the RWD mounts are positioned around the middle of the block, whereas the FWD mounts are towards the trans side, which is the center when mounted up in a FWD configuration.

Last edited by pmohr; Feb 23, 2008 at 11:35 AM.
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Old Feb 21, 2008 | 12:18 PM
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take the heads out of the maxima and send em to Head Games & get em built!
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Old Feb 21, 2008 | 12:24 PM
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Originally Posted by dave079
I believe that the FWD is facing a different way than the RWD one.
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Old Feb 21, 2008 | 01:42 PM
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Originally Posted by pmohr
Haven't gotten a side by side yet (FWD block is still in the machine, stock sleeves haven't been completely removed yet :wall, but here's some pics I took just a bit ago:

FWD


RWD


The blocks are both positioned in the same way, with the same side facing the camera. It's basically the same on both sides. I'll try to get one later of them laying next to each other, but this should do for now.

You can clearly see how the RWD mounts are positioned around the middle of the block, whereas the FWD mounts are towards the trans side, which is the center when mounted up in a FWD configuration.
So what are you going to do with The Fwd block....just wanted to know..or put it in
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Old Feb 21, 2008 | 01:51 PM
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Originally Posted by eyecon7
So what are you going to do with The Fwd block....just wanted to know..or put it in
I don't know if I should be giving out the entire build, I haven't even seen who is having us build this.

I'll just say, it's gonna be bigger than 3.5 and be taking in a little more than atmospheric pressure...
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Old Feb 21, 2008 | 02:00 PM
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But its going into a RWD car ???
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Old Feb 21, 2008 | 03:14 PM
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Originally Posted by eyecon7
But its going into a RWD car ???
Nope, best I'm told it's going into one of these -
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