6th Generation Maxima (2004-2008) Discussion of the 6th generation Maxima. Come see what others are saying.

An unexpected rebuild!!!

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Old Apr 10, 2009 | 02:20 PM
  #41  
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What an unexpected thread Good Luck with your engine rebuild, any pics of the fried piston rings, how did the inside of the block look, and what is being done to it, look forward to pics

I think you have the Nations 1st, and most disassembled and reassembled Maxima
Old Apr 10, 2009 | 02:31 PM
  #42  
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Originally Posted by STARR
What an unexpected thread Good Luck with your engine rebuild, any pics of the fried piston rings, how did the inside of the block look, and what is being done to it, look forward to pics

I think you have the Nations 1st, and most disassembled and reassembled Maxima
Sorry no, the Valve and Piston blocks are up in a machine shop in Waldorf , MD getting inspected, smoothed, polished, and rebuilt. We were just waiting for the parts to come in so the above work can start, everything shipped out Yesterday morning.

As for the latter, so true!!!
Old Apr 10, 2009 | 06:30 PM
  #43  
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Sorry to hear about the engine Chris. I hope the rebuild goes well. I am assuming your budget didnt allow for porting and polishing of heads?
Old Apr 10, 2009 | 07:36 PM
  #44  
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Originally Posted by DeusExMaxima
Sorry to hear about the engine Chris. I hope the rebuild goes well. I am assuming your budget didnt allow for porting and polishing of heads?
Only if the Pistons are not an exact fit... Thanks for the support...
Old Apr 12, 2009 | 03:16 PM
  #45  
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Do you think Seafoam had anything to do with this at all? What kind of oil did you use?
Old Apr 12, 2009 | 04:10 PM
  #46  
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No way... Seafoam most likely had nothing to do with this. This is well known issue for the VQ35DE. New Pistons and Rings will do the trick.
Old Apr 12, 2009 | 08:50 PM
  #47  
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Originally Posted by MaxEx
Do you think Seafoam had anything to do with this at all? What kind of oil did you use?

Absolutely not, if anything SeaFoam helped identify the problem by ensuring it wasn't just a carbon build up problem.
Old Apr 14, 2009 | 12:08 PM
  #48  
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Hey Chern!

What! No free in cabin air freshner?! Just Crown Royal! Ha! Good luck with the rebuild!

Those pistons look awesome!

Take care!
Old Apr 14, 2009 | 01:38 PM
  #49  
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Crown royal and fiber con? HAHAHA!! Essentials for a "clean" rebuild! Red heat is gonna be sick after this!
Originally Posted by chernmax
Old Apr 14, 2009 | 06:35 PM
  #50  
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It's always important to keep all pipes clear!!!
Old Apr 21, 2009 | 01:22 PM
  #51  
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Originally Posted by chernmax
I'm not retired!!! I'm actually 5+ years into my second career although I did retire from the US Navy after 24 years but I was only 41 at the time...

I was thinking this too...must be nice to have so much tinker time

How close are we to the cost of a 2009 skyline with the money put into this maxima? (one on the dealership floor when I went yesterday for service, so its fresh in my mind, sat in it and it fits like a glove, im just a bit short the $90,000 sticker)
Old Apr 22, 2009 | 10:15 AM
  #52  
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Wheres the Jack Daniels?. GL on the Rebuild BTW, hopefully you come out with a new vid on youtube showing us the new setup.
Old Apr 22, 2009 | 11:10 AM
  #53  
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Give some thought to porting the heads if the budget allows!!
Old Apr 22, 2009 | 11:19 AM
  #54  
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Those Ebay cams still pop up every now and then for less then $500.
Old Apr 22, 2009 | 11:54 AM
  #55  
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wow! good luck
Old Apr 22, 2009 | 02:52 PM
  #56  
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Originally Posted by 04BlackMaxx
I was thinking this too...must be nice to have so much tinker time

How close are we to the cost of a 2009 skyline with the money put into this maxima? (one on the dealership floor when I went yesterday for service, so its fresh in my mind, sat in it and it fits like a glove, im just a bit short the $90,000 sticker)
Over 5 years 18+K in mods, cannot imagine with the cost of an 09 Skyline and the modding I may do what that cost would amount too??? I do know I would not be married any more!!!
Old Apr 22, 2009 | 02:54 PM
  #57  
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Originally Posted by Ap0calyps3
Wheres the Jack Daniels?. GL on the Rebuild BTW, hopefully you come out with a new vid on youtube showing us the new setup.
It's on another shelf and it's called Gentleman Jack!!!

Somewhat smoother...
Old Apr 22, 2009 | 02:56 PM
  #58  
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Originally Posted by DeusExMaxima
Give some thought to porting the heads if the budget allows!!
My budget only allows for a bottle of Jack Daniels to port my head!!!
Old Apr 22, 2009 | 02:57 PM
  #59  
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Originally Posted by DrunkieTheBear
Those Ebay cams still pop up every now and then for less then $500.
Buy and I will install, PROMISE!!!
Old Apr 30, 2009 | 02:08 AM
  #60  
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i like bumping.....
Old May 3, 2009 | 07:55 AM
  #61  
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No rods for the rebuild? it seems that would be the only weak point after you install everything else.
You probably already know this but linking it anyway.
http://my350z.com/forum/forced-induc...her-gears.html
Old May 3, 2009 | 08:10 AM
  #62  
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Originally Posted by maxgtr2000
No rods for the rebuild? it seems that would be the only weak point after you install everything else.
You probably already know this but linking it anyway.
http://my350z.com/forum/forced-induc...her-gears.html

Wasn't in the budget and upon inspection it was the piston rings that were the weakest!

As for the tread link, doesn't say a lot other than peoples general comments and opinions. If I ever get into the 400-450whp club, I think rods will be very important.

Last edited by chernmax; May 3, 2009 at 08:18 AM.
Old May 18, 2009 | 11:44 AM
  #63  
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AWE SH*T!!! OK Rods were not in the Budget but now they are. While reassembling the engine 1 of the rods just didn't look right, even the main mechanic didn't really catch it from a side angle but low and behold 2 of the 6 rods had slight bends which main $$$$$$ for new rods. So the rebuild is on hold because I just finished ordering a new set and I'm having them overnighted. Of course if I bent 2 rods I'm not going with OEM again so this is what I'm getting:

Brian Crower Pro Series Connecting Rods

Made from premium, 4340 steel billet material. The BC Pro Series rods are designed for high horsepower, high boost and extreme rpm applications where nothing but the best rod will do. Features include ARP 220,000 p.s.i. rod bolts for ultimate fastening capabilities as well as aluminum-bronze bushings to insure long, reliable service, no matter what the boost, nitrous or rpm



Cosworth High Performance Rod Bearings

•High strength overlay plate with reduced thickness for better oil control and less friction
•Hardened steel backing on all connecting rod bearings
•Increased crush for better retention
•3/4 grooving on Main Bearings providing optimum oil supply
•Tight consistent wall tolerances
•Oversize chamfers where applicable
•Flash plating eliminated for improved heat transfer
•Tested to over 1000 horsepower!


Last edited by chernmax; May 18, 2009 at 02:27 PM.
Old May 18, 2009 | 06:50 PM
  #64  
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should run amazing!!! /subscried
Old May 19, 2009 | 05:33 AM
  #65  
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Chern u are this guy!

Old May 19, 2009 | 05:41 AM
  #66  
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THANKS!!!
Old May 19, 2009 | 03:16 PM
  #67  
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OK received the new rods today. Also the shop finished the valve blocks and tomorrow starts the rebuild of the Piston block since the new rods are in and the rod bearings arrive tomorrow. FINALLY moving forward on getting Red Heat back on the road.





Old May 19, 2009 | 04:35 PM
  #68  
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Looks great. U sure u cant smooth out the ports just a lil????
Old May 19, 2009 | 06:27 PM
  #69  
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Originally Posted by DeusExMaxima
Looks great. U sure u cant smooth out the ports just a lil????
Too late in the game for such little gain...
Old May 20, 2009 | 06:47 AM
  #70  
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Chris i like your approach to your rebuild, your max is going to be serious after your rebuild, i lost my max last month it was total, so i bought a mk3 turbo supra,an im in the process of a rebuild also, arias pistons are my choice also. when your finish with the rebuild crank the boost up!!!

Last edited by VQPRO; May 20, 2009 at 06:50 AM.
Old May 20, 2009 | 07:01 AM
  #71  
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Originally Posted by DeusExMaxima
Looks great. U sure u cant smooth out the ports just a lil????
true smooth makes a nice air flow, polish those port you won't regret it.
Old May 20, 2009 | 08:34 AM
  #72  
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Rod Bearings just arrived, heading to the shop to drop them off and work on the reassembly with them.



Old May 20, 2009 | 09:46 AM
  #73  
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This thread is great...... well considering the circumstance. Good Luck Chern. DCMax FTW!
Old May 20, 2009 | 10:44 AM
  #74  
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OK this is our dog Yuki after a bath looking at the pictures of my bent rods!!!



Bent rod on the left



Bent Rod on the right



Nissan OEM Piston and Rod Left. ARAIS Piston / Brian Crower Pro Series Rod right



Old May 20, 2009 | 04:40 PM
  #75  
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Awesome photos!
Old May 21, 2009 | 12:30 AM
  #76  
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Sick build!

You can run a ton of boost on the motor now.
Let's see an 11 second 6th gen.
Old May 21, 2009 | 03:50 PM
  #77  
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OK all pistons, rods, rings assembled and installed, Valve block and piston block married today with the new Cometic head gaskets and tightened down with the new ARP head bolts. Cams also reinstalled. Tomorrow we reassemble the timing chain assembly. No easy task!!!









Grasshopper is a Master Mechanic doing my rebuild, he's a meticulous rebuilder and does awesome engine work. I have learned a lot from him and he lets me work with him which most shops of stealerships will never let you do!!!

Old May 21, 2009 | 04:32 PM
  #78  
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This is kind of discouraging, I was under the impression that the VQ Rods are pretty strong, and the weak part is the pistons and the rings itself under boost.

The RWD guys have been pushing close to 400 on stock block with no issues, was it your tuning that could have cause this ? or the amount of dyno time ?

I have a friend that has a a32 VQ35DE-T on boost going on 4 years at 12psi.

Its odd how the rods could be bent like that at 5psi ?
Old May 21, 2009 | 07:30 PM
  #79  
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Originally Posted by NiZMo1o1
This is kind of discouraging, I was under the impression that the VQ Rods are pretty strong, and the weak part is the pistons and the rings itself under boost.

The RWD guys have been pushing close to 400 on stock block with no issues, was it your tuning that could have cause this ? or the amount of dyno time ?

I have a friend that has a a32 VQ35DE-T on boost going on 4 years at 12psi.

Its odd how the rods could be bent like that at 5psi ?
Your guess is as good as mine, I do ride this car hard and have for over 5+ years. I've driven this car on the street with 4psi and on the track with 8psi. Dyno tuning is a killer especially with 39+ pulls, numerous track, test and tune etc. and with 345+whp that puts crank hp over 405+ and that is when things tend to get dicey with our engines, not to mention our numbers move faster to the wheel since we're front wheel drive. So many things could have happened but unfortunately I don't have any real answers other than what we found once we took the engine apart. I'm discouraged also in the wallet, but not enough to give up on my Max so I'll make her better!!
Old May 22, 2009 | 04:22 PM
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nothing a little Robitussin cant fix



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