Forced Induction Discussion of turbos , superchargers , and nitrous upgrades on the G35

FI: we're not in Kansas anymore...

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Old 01-24-2019, 03:10 PM
Eno
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Originally Posted by Sylvan lake V35 View Post
Back from the dead Ian are you still around? Still have the car?
Necro bump-

For anyone still around from the old days (including you Sylvan!) I do still have the car and overall it's been pretty reliable. I had a few problems with it but nothing related to the FI build... though recently it sounds like I had an oil scavenging pump issue that looked like either a head gasket failure or a pump seal failure. It's at the shop now for further analysis but everything is pointing to scavenging pump (according to smart people).

I found a new shop in Calgary called Rev'd Performance who I've got an initial sense will take good care of the car for me. Like Lightspeed at first, Intec and then MonkeyNutz after them I'm hoping for an honest group of guys who know I'm car stupid and feel sorry enough for me to not rip me off.

I'm still just a hard parker but the car is paid for and constitutes a substantial financial and emotional investment over the last 8 years... I'm not even sure if anyone still buys these cars anymore but I still enjoy it.

Not sure if anyone is still around but send me a shout out if you're still here!

Holy ****... reading back through this thread... maaaaaaaaaaaaaaaaaaaaaaaan.
 

Last edited by Eno; 01-24-2019 at 03:35 PM.
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Blue Dream (01-25-2019)
  #677  
Old 01-24-2019, 04:25 PM
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People still buy these cars, albiet for less than what you paid for your wheels back when you were building this awesome thing! It's my first "fun" car and I love it.
 
  #678  
Old 01-25-2019, 10:07 AM
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G35 sedan w/ too much money in mods
Originally Posted by Eno View Post

Not sure if anyone is still around but send me a shout out if you're still here!

Holy ****... reading back through this thread... maaaaaaaaaaaaaaaaaaaaaaaan.
Even though we lost our G to motor failure a few months ago I'm still here alive and kicking, glad to see you still have yours. This place is definitely an addiction for me, I just can't seem to quit it. I mainly stop in once a day to fulfill mod duties but somehow I end up here for an hour lol.
 
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Eno (01-25-2019)
  #679  
Old 01-25-2019, 01:21 PM
Eno
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Every year I think I'll sell it and then I chicken out... then somehow cost justify it versus a replacement "functional" vehicle.

All the G drivers I see around locally are about 1/3rd my age... I can see the cops mean mugging me when they drive by and then realize I'm actually just old and not a young addict. The exhaust is leaning on the loud side for me now so I'm thinking of transitioning back to something like what I had originally (Stillen, true dual).

If I thought I could get a reasonable price for it I'd sell it in the states since there seems to be more appreciation for these cars down there- but I always talk talk talk and then just drive it for another summer. It's only got 80k on it so it's in great shape... but that works both for and against the thoughts of selling it.

Then stupid stuff like this happen and I remember the poor thing is still just an 06.



I am always left wondering if my story helped talk anyone out of going the FI route- and if not talking them out of it helped to educate them in what not to do... and the precautions that should be taken.

Thanks for dropping by to say hi guys!
 

Last edited by Eno; 01-25-2019 at 01:27 PM.
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Blue Dream (01-26-2019)
  #680  
Old 02-06-2019, 01:50 PM
Eno
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Car is back on the hoist for substantial work... issues involving a lack of back pressure because of the high flow exhaust resulted in a pretty severe oil leak into the turbos. Guess this also was the result of (or at least compounded by) how the drain lines were run. In the subsequent travels it turns out the rear main seal will need to be replaced and the heads need to be redone since at least 2 valves are leaking between 30-80%.

Interesting to note that the recent feedback from JWT on the turbos in the 700BB kit is that they were really intended to go on a stock platform- ie: stock exhaust with higher back pressure so as a result of that I guess the configuration of the kit accounted for that. I learned that higher output builds using this kit run the oil drain lines upwards- higher in the engine compartment... Requiring an oil pan modification and the engine to be pulled. Unfortunately this wasn't done in the original or subsequent build- not sure if it was known at the time. I'm probably paraphrasing the wrong things but suffice to say some work is getting done.

Turbos were soaked with oil but apparently are in good shape. They're going to Alamo to be sure.

On the plus side this gets everything put under the microscope again to help ensure longevity of the overall build... on the down side it's hard to continue putting money into this since it's already eaten its fair share.
 
  #681  
Old 02-15-2019, 10:45 AM
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G35 Coupe , building for FI
Whats your back story on the FI build? Im actually picking the g35 as a new FI project car.. seems like the VQ and the 2005 november or newer trans are pretty reliable even under low boost...
 
  #682  
Old 02-16-2019, 02:32 AM
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There's 46 pages of backstory, just start at page 1 it's a good read.

Don't sell the car Eno, just find creative ways to make it more enjoyable to drive for the next year, and that doesn't mean just bolting on more power
 
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Old 02-17-2019, 04:56 PM
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Hey eno i still got mine and on 02/18/2003 i bought it new and its been through quite a bit since.
 
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Old 03-08-2019, 01:21 PM
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The story continues... But here is a familiar view of the engine 5 years after the fact:



Heads were leaking pretty substantially so they're getting torn down and restored... oil lines have been run "the right way" and then after that I think it's time to look at dampening the exhaust sound since it's on the obnoxious side. Start with some different cats (these were custom) and see where that lands me.

There was a lot more leaking then they were comfortable with so that will come with its share of fine tuning... replacement of fittings etc. We're in a bit of a lull now since many parts are at various shops being restored.
 

Last edited by Eno; 03-08-2019 at 01:26 PM.
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Old 03-08-2019, 01:36 PM
Eno
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Originally Posted by OhioGman View Post
Whats your back story on the FI build? Im actually picking the g35 as a new FI project car.. seems like the VQ and the 2005 november or newer trans are pretty reliable even under low boost...
A person really needs to ask themselves what they want to accomplish with the build... By the time you've got the kit in there are substantial costs associated whether in time or money (or both) and when it's all over you're left with a car that leaves you wanting. Just a little bit more... and a little bit more. Tighten this thing up- get that part...

If you're comfortable tearing an engine down and rebuilding it then I welcome you to the various challenges I ended up having to depend on others to see me through. What I will tell you is the rods in the AT are softer than those in the Revup... and while the Revups had their own issues their stock parts were more resilient to the rigors of boost up to around 10psi.

Now my issue happened because- short version- a wastegate was unable to open and there are a lot of valid comments in this thread about the fact the tuner should have seen that coming and dumped the load on the car. That's waaaaaaaaaaaaaaaay back in history now- for me. But it happened and I was left paying someone to pick up the pieces for quite a long time. I was pushing for a reliable, safe build and overbuilt in the right places... in my case specifically for the build I was going with fuel was the key.

Transmission was a whole other thing... you can dump a transgo in there for snappy shifting but it won't do anything to protect it from extra torque. You can put a transmission fluid cooler in and that'll help a little. I upgraded the transmission during the (second) build so I'm not sure how the stock one- even slightly upgraded with transgo and cooler- would have responded to the additional pressure.

Anyway- just my perspective.



 
  #686  
Old 03-09-2019, 01:21 PM
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You should look into either resonated cats or adding a resonator somewhere else in the exhaust. Simply swapping out one set of cats for another isn't going to make a big difference in the overall sound since the rest of the bends and diameters are all the same.

Looking forward to seeing what direction this re-build takes you
 
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