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Looking to turbo the G
Hey guys so I'm new to forced induction and I'm really wanting a sizable power gain for the 05 g35 5at coupe. Yes I have done research even though this is still a noob thread it's more concerning what I can do on a budget. I have a couple questions -
If I go the stock internals route - how much can I expect to spend on a complete turbo or supercharger kit (most likely used)? Will the 350z kits work exactly the same on the G35s or is there modding needed? From what I've seen the Turbknetics kit looks to be the cheapest at around $2500 but doesnt include fuel management? 400rwhp would be great, will stock injectors and a walbro 255 be enough for that? If I wait on forced induction and buy a cam, how much can I expect to pay with install and what all will I need? Just cam or do I need heads or porting as well? Right now my car has the usual bolt ons - carbon fiber z tube and jwt pop charger , Injen true dual exhaust, 5/16 plenum spacer, A/C belt removed. I am used to 400rwhp and 410 gears... my old car was a Ls1 trans am before it got totalled. I do all my mods/work myself, just never done fi. I love this g35 but it needs power bad. |
If you have not already done so then it is highly suggested to read through this thread:
https://my350z.com/forum/forced-induction/360064-forced-induction-for-noobs.html If you have, do it again, several times. Realistically, how much are you looking to spend and how much power are you looking to make? Your budget is going to limit your power since 400hp is a stretch on a stock engine without reliability concerns. I'll be honest, not to sound like a d-bag, but you need to continue doing research non-stop until your project is complete. This is not as easy as purchasing a 400hp car off a car lot. There is a lot of time and research that must be invested when going FI if you plan to have something fast and reliable. |
must be that time of year ... all the turbo-builders are coming out of the woodwork...
Originally Posted by 813_350Z
(Post 11014626)
400hp is a stretch on a stock engine without reliability concerns.
Originally Posted by 813_350Z
(Post 11014626)
continue doing research non-stop until your project is complete
Originally Posted by Rainy
(Post 11014614)
wanting a sizable power gain
Originally Posted by Rainy
(Post 11014614)
it's more concerning what I can do on a budget.
Originally Posted by Rainy
(Post 11014614)
If I go the stock internals route - how much can I expect to spend on a complete turbo or supercharger kit (most likely used)? Will the 350z kits work exactly the same on the G35s or is there modding needed?
Originally Posted by Rainy
(Post 11014614)
Will the 350z kits work exactly the same on the G35s or is there modding needed?
Originally Posted by Rainy
(Post 11014614)
From what I've seen the Turbknetics kit looks to be the cheapest at around $2500 but doesnt include fuel management? 400rwhp would be great, will stock injectors and a walbro 255 be enough for that?
No, you will need larger injectors ... 500cc injectors and a 255lph is probably the minimum. Plan on spending $500 or so on Uprev, then plan another $500 for dyno & tuning time.
Originally Posted by Rainy
(Post 11014614)
If I wait on forced induction and buy a cam, how much can I expect to pay with install and what all will I need? Just cam or do I need heads or porting as well?
Originally Posted by Rainy
(Post 11014614)
I am used to 400rwhp and 410 gears... my old car was a Ls1 trans am before it got totalled. I do all my mods/work myself, just never done fi. I love this g35 but it needs power bad.
did it have a fire-chicken on the hood? pictures? |
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If you’re trying to budget power, going vortech might be your cheapest bet. Itll probably be a little easier on the weak 5at.
The biggest problem I faced when I boosted, was the first build @ 494whp on a stock bottom on a DE didn’t really feel as satisfying as I thought. It’s painfully difficult trying to build the 350 to be faster than the heads/cam Vette, and was very discouraging until I sold the damn thing.(the Vette) So honestly you’re best off with a few bolt ons to keep the reliability in check. I don’t see a 5at g35 being too promising if you came from LS cars. |
Originally Posted by 0taku
(Post 11014655)
If you’re trying to budget power, going vortech might be your cheapest bet. Itll probably be a little easier on the weak 5at.
The biggest problem I faced when I boosted, was the first build @ 494whp on a stock bottom on a DE didn’t really feel as satisfying as I thought. It’s painfully difficult trying to build the 350 to be faster than the heads/cam Vette, and was very discouraging until I sold the damn thing.(the Vette) So honestly you’re best off with a few bolt ons to keep the reliability in check. I don’t see a 5at g35 being too promising if you came from LS cars. |
Originally Posted by travlee
(Post 11014661)
gasps.... why would you do such a thing!!!
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a year lapse of judgement
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Damn guys I knew I was going to get some flaming but yeesh! I know cars lol. I have to ask these questions being new to the platform and new to FI. I know you get what you pay for, that is always true. I'm wanting this car to be a fun daily driver with some power. I definitely wish it was manual... maybe I'll look for a stick g. But this car is so clean and runs strong.
Here's a few pics of 2 of my cars - Camaros. I dont have the trans am pics on this phone but these were really nice builds I did as well. The red car was a LT1 built to a forged 383 stroker, NA - fully built top to bottom suspension rear end everything - never got it on a dyno but it was running low 11s in the 1/4. Sold The white car was my 30th anniversary 6 speed - full bolt ons 410 gears Auburn posi unit lt headers 3" true duals FULL bolt ons. MGW shifter.. loved that car. Bout 400rwhp. Totalled Unfortunately the only pics I've got left are mid build pics and pics of me wet sanding the paint so the cars look kinda shitty but you get the idea. The couch is about half the parts that were going into the white car https://cimg8.ibsrv.net/gimg/my350z....c5b053fdb8.jpg https://cimg9.ibsrv.net/gimg/my350z....b9c2bba60f.jpg https://cimg0.ibsrv.net/gimg/my350z....312d79ec9c.jpg https://cimg1.ibsrv.net/gimg/my350z....f12b6b5d05.jpg https://cimg3.ibsrv.net/gimg/my350z....f012e6845e.jpg https://cimg4.ibsrv.net/gimg/my350z....7631d29d87.jpg https://cimg5.ibsrv.net/gimg/my350z....aa39c9cf59.jpg https://cimg6.ibsrv.net/gimg/my350z....09cb27c4a0.jpg |
yea - were a bunch of pricks!
lol … as long as you have thick skin and take some critism you'll be fine... nice setups if it was me, I'd find a salvaged title 350z 6mt to build … leave the G alone and/or sell it and do the work on the Z33 chassis. |
Originally Posted by bealljk
(Post 11014696)
yea - were a bunch of pricks!
lol … as long as you have thick skin and take some critism you'll be fine... nice setups if it was me, I'd find a salvaged title 350z 6mt to build … leave the G alone and/or sell it and do the work on the Z33 chassis. And to answer some other responses realistically 400rwhp is the ballpark I know it will be probably less with the 5at. I would like to spend maybe $4k total if that would be possible. And while the 350z and g35 arent the same cars, saying "they are two totally different cars why would the kits be the same" is a stretch lol. Same platform. Same engine. Trans. Rear. Exhaust minus an extension.. suspension... I ask as in will I be able to buy a 350z kit and what changes would need to be made? Or I have to get a g35 kit? I saw a suggestion to go with a rear mount turbo kit - is the STS universal kit what I would need? That seems like a good route budget wise for what I'm trying to achieve. |
Originally Posted by Rainy
(Post 11014705)
Ty!
And to answer some other responses realistically 400rwhp is the ballpark I know it will be probably less with the 5at. I would like to spend maybe $4k total if that would be possible. And while the 350z and g35 arent the same cars, saying "they are two totally different cars why would the kits be the same" is a stretch lol. Same platform. Same engine. Trans. Rear. Exhaust minus an extension.. suspension... I ask as in will I be able to buy a 350z kit and what changes would need to be made? Or I have to get a g35 kit? not the same platform, the g is longer wheel base, different rear end (3.3 I believe?) different driveshafts, different suspensions (albeit minor), minor changes on the intake track, different front end (as it relates to the cooling setup). I saw a suggestion to go with a rear mount turbo kit - is the STS universal kit what I would need? That seems like a good route budget wise for what I'm trying to achieve. |
Originally Posted by bealljk
(Post 11014712)
I did a rear-mount turbo kit on a 350z and I'm doing one on a G35 now. If you want me to fabricate one while I do this one let me know. It'd take some coordination but it would be possible. Shoot me a PM.
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At OP-
Some of these guys are way ahead of me in knowledge and I respect them. Actually it might be easier to do a simple Google search, "What supercharger/turbo will fit (your engine/car.)" Take the results and go to the manufacturer 's website and compare the different applications for each one. If your car isnt listed it either won't fit or might need fabbing. You could even call them directly for advice. When I bought my used Vortech kit it was missing hardware. I called them and they were super helpful. Gl on your project! |
Originally Posted by jhc
(Post 11014769)
At OP-
Some of these guys are way ahead of me in knowledge and I respect them. Actually it might be easier to do a simple Google search, "What supercharger/turbo will fit (your engine/car.)" Take the results and go to the manufacturer 's website and compare the different applications for each one. If your car isnt listed it either won't fit or might need fabbing. You could even call them directly for advice. When I bought my used Vortech kit it was missing hardware. I called them and they were super helpful. Gl on your project! I'm very interested in doing a rear mount setup possibly as they seem to be much easier to do but I'm trying to learn and research thoroughly before doing anything. |
It's worth mentioning that turbo kits, even high quality ones, rarely just bolt directly on. Most of the issue require some sort of custom fabrication, so if that doesn't sound like your cup of tea maybe go Vortec. You can guarantee that a generic turbo kit will require extensive fabrication and knowledge of how turbo set ups work to install correctly. If I were going that route, I would buy high quality turbos and surrounding parts and build it all from scratch. That would likely be cheaper than buying a quality new kit.
With $4k you're going to be stuck in the used market, short of a garbage eBay kit. Check out the Donut Media Hi-Low episode on YouTube where they install a $2500 eBay turbo kit and an $8k JWT TT kit so you know what you're getting into. Turbos and bolt-ons are two very different worlds. So long as you're good with making some custom parts, pull the trigger and pick up a turbo kit. |
Originally Posted by bealljk
(Post 11014712)
I did a rear-mount turbo kit on a 350z and I'm doing one on a G35 now. If you want me to fabricate one while I do this one let me know. It'd take some coordination but it would be possible. Shoot me a PM.
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Originally Posted by iideadeyeii
(Post 11014775)
This is probably the only option I would go. Could be done in a weekend pretty quickly for under $1500 easy
I did the blue Z33 and the owners brother (who has the g35) wants it done on his car - if OP wants me to fabricate the same kit (assuming it's the same or close-enough car) I'm all about it. |
I use ebay turbo's so that's where most of the cost savings got to. I'd pay like $120 for a turbo
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