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Anyone else build their G35s?

Old Sep 1, 2014 | 12:31 PM
  #16  
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G35 not running Backfire intake

I recently pulled my motor again and did some work and put it back in and i cant get it to run. I have checked almost everything. On the variable intake and exhaust timing does it matter which side they go one? Like inside the timing chain cover.
 
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Old Sep 8, 2014 | 12:14 AM
  #17  
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Won't Start. Code C1135 And U1000!!!

My car will not run. It starts for like 5 secs and then dies. Any help would be appreciated.
 
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Old Sep 10, 2014 | 11:13 PM
  #18  
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Worlds wierdest g35???

I've been having trouble with getting my motor to run after I pulled the motor for the 3rd time. I unplug the crank position sensor and it runs then I plug it in and it seems as though only a few cylinders fire and very little throttle response. Already tried another crank sensor. Any ideas?
 
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Old Sep 11, 2014 | 12:21 AM
  #19  
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Is cylinder 1, 3 and the vvt connected to the main harness with the stupid clip that is not necessary lol I made that mistake and it sounded like a honda crossed with a subi (4cyl) sounded pretty demon-ish lmao
 
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Old Sep 11, 2014 | 06:28 PM
  #20  
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Originally Posted by Gdirtyfive55
I saw a thread a while back before I was a member here where a guy fully built his motor without boost and got some serious track times. I can't find the thread tho.
http://my350z.com/forum/na-builds/58...we-did-it.html

This is the higest hp NA build.
 
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Old Sep 13, 2014 | 08:18 AM
  #21  
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Problem solved

Originally Posted by Mac8008
Awesome! When I did the headgaskets on my car, I followed the FSM procedure and removed the oil pans. I see you you used a different technique. lol I'm just wondering if it's hard to do like that and will you be assembling with the oil pans on too.

If the cylinder was pushing that bad into the cooling system and you didn't see and clear indication upon dissassembly of a failed HG, I think it's safe to say you do indeed have a crack in the cylinder head. I'm not sure how common cracked heads are on these engines but it seems like almost every week we get a new thread in the forums of someone trying to diagnose an overheating issue and usually have symptoms of cylinder pressure entering the cooling system. I think it's safe to say that there not all headgasket failures.

Is that a revup engine and what are your HP estimates?
Well I got it back together and it was the HG. Runs perfect now
 
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Old Sep 13, 2014 | 08:21 AM
  #22  
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Solved

Originally Posted by Uprevtuning
I've been having trouble with getting my motor to run after I pulled the motor for the 3rd time. I unplug the crank position sensor and it runs then I plug it in and it seems as though only a few cylinders fire and very little throttle response. Already tried another crank sensor. Any ideas?
Found the problem. Somehow I managed to put the flywheel on one bolt hole off which caused it to get the wrong readings. Pulled tranny out and changed it. Like new now
 
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Old Sep 13, 2014 | 01:03 PM
  #23  
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Originally Posted by Conway_160
I remember it being a G tho, and the OP had a looooong list of parts. It may not have been all about HP too. I swear I saw it!! I swear! Haha

I searched for 'sub 5-second g35' or something I think. I was searching a bunch of keywords tho, so it may have had another variation of words.
 
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Old May 5, 2015 | 10:01 PM
  #24  
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ok...so i have to rebuild or replace my 2004 sedan motor. I drive hard. I don't know what people mean when they say the car is not good for drifting, mine drifted great, till I blew the bottom end.( I understand that could be what they meant--lol) But seriously, what did it cost to rebuild an NA motor mile this??
 
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Old May 8, 2015 | 07:39 PM
  #25  
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I'm roughly $2500 into mine and I have done everything myself except for the machine work.
 
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Old May 13, 2015 | 10:55 PM
  #26  
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Could you give me an idea what you have done and are planning to do? I am scared to buy a replacement oem motor because I might kill it too, but want to drive hard. I am wondering how much it will cost to rebuild mine with parts that can handle hard driving...
 
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Old Oct 7, 2015 | 10:15 PM
  #27  
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Originally Posted by Mac8008
Awesome! When I did the headgaskets on my car, I followed the FSM procedure and removed the oil pans. I see you you used a different technique. lol I'm just wondering if it's hard to do like that and will you be assembling with the oil pans on too.

If the cylinder was pushing that bad into the cooling system and you didn't see and clear indication upon dissassembly of a failed HG, I think it's safe to say you do indeed have a crack in the cylinder head. I'm not sure how common cracked heads are on these engines but it seems like almost every week we get a new thread in the forums of someone trying to diagnose an overheating issue and usually have symptoms of cylinder pressure entering the cooling system. I think it's safe to say that there not all headgasket failures.

Is that a revup engine and what are your HP estimates?
I know this is old but I'm curious, why do they say to remove the oil pans?
Also, where is this FSM procedure?
 
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Old Oct 8, 2015 | 12:57 PM
  #28  
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Originally Posted by BradMD_96
I know this is old but I'm curious, why do they say to remove the oil pans?
Also, where is this FSM procedure?
The oil pan mates up with the frond and rear engine cover. According to the service manual, you can remove the front cover but you have to bang in the the dowel pins located on the rear. Reducing the length of the dowel pins will allow you to install the front cover bottom first on an angle.

The only way you can install the rear cover without removing the oil pans is to slide it on the mating surface of the two. Obviously, there is little to clearance between the oil pan and timing cover so there is no room for the sealant when installing it that way.

Yes, it can be done but you won't find Infiniti recommending that install method because it is likely it will leak sometime in the future. I'm sure you can get it work with a bit of effort and some good sealant. I would be interested in hearing from someone who has done it.
 
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Old Oct 13, 2015 | 12:30 PM
  #29  
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Originally Posted by Mac8008
The oil pan mates up with the frond and rear engine cover. According to the service manual, you can remove the front cover but you have to bang in the the dowel pins located on the rear. Reducing the length of the dowel pins will allow you to install the front cover bottom first on an angle.

The only way you can install the rear cover without removing the oil pans is to slide it on the mating surface of the two. Obviously, there is little to clearance between the oil pan and timing cover so there is no room for the sealant when installing it that way.

Yes, it can be done but you won't find Infiniti recommending that install method because it is likely it will leak sometime in the future. I'm sure you can get it work with a bit of effort and some good sealant. I would be interested in hearing from someone who has done it.
I just removed both timing covers (to get the heads off) without removing the upper sump.
I had the lower steel sump off to access the 3 bolts underneath.

The rear timing cover came off with ease just by sliding it forward. I see what you mean about ensuring a good seal. Lot's of sealant in the right place and it should be alright.
 
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