Was cruisin on saturday night and meet a security gaurd that has a turbo set up for the 3rd gen engine. he said it has every thing i need all i will need to do is get it tuned. He want's $1500 for it.. First question is it worth it. he reckons the magna it was in was running on 14psi on fully stock engine on high and 8psi on safe does that sound right. any input is welcomed
:happy:

haha no way 14psi on a engine with stock internals. round 7 is the max.
QMD was running 8.5 psi, but it was also intercooled. but 9.4:1 compression.
so might be able to squeeze out 9psi on the 9:1 comp engine. with a safe tune.
but having said that, for $1500 is pretty good, if its everything you need, but for that price the turbo is prob stuffed.

Is it this car? http://www.myspace.com/ryanleslie86

If it is twin turbozzz

yeah thats not a magna engine. 2.5TT engine

As posted above, on a standard 3rd gen engine it is previously proven (although only with superchargers) they can only handle 8-9psi with a very very safe tune. Blackbeard in Qld is running twin turbos on his TJ that, according to his thread, boost spike to 9psi then bleed off to 6psi running on stock internals. I would think very carefully about what is exactly included in this package you have been offered as you will need a number of things.

Turbo
Manifolds
Oil lines
computer
injectors
fuel regulator
intercooler (especially if you are running more than 8psi)
exhaust

and the list just keeps going on.

well if its a bare bones build, the guy does say its a stock 3.5

Turbo
turbo manifold
oil lines
plumbing (intake, exhaust)
fuel-trim computer

thats a bare bones, and would be very unreliable.
I dont know how much headroom there is in injectors for those engines, but 350cc injector / 500cc cylinder is good for up to 10-14psi depandant on tune. There are many engines (not mitsie) that are 9.0:1CR with cast pistons that run over 1bar but thats on engines factory turbo'd.

Check it all out, but if you get eveything you need and the turbo is rooted, you still have a very cheap turbo setup.

You can spend $1500 or you can spend $25000 on doing a Turbo setup. Unfortunitly you pay for what you get and it will only be as good as what you paid for it. If you serous on doing anything half serious to a magna motor and want it to last more then 2 months i would suggest you have a minium of 10k to spend as if you plan to spend 4-5k it will always end up being near 10 by the time you have finished. By the time you start look at gearbox and ECUs its a whole new ball game. Once you spend 10k on your car then u need to relise you may as well buy another car as it wont be a daily driver anymore..:)

Come on guys the engine is a strong unit. 9:1 @ 1 bar is ok the spark mapping is the critical bit with any blown application on any engine. The standard injectors are 313cc and the standard fuel pump can't keep up with the injectors at 100% duty cycle. so it's not the engine thats a problem it's the fuel system that can't keep up that usually causes the engine reliabilty problems. So like low rider said it's a cheap kit even if the turbo needs an overhaul, plus definitely intercooler, upgraded pump and injectors and a day at the dyno to tune the whole set up.

Cheers Dave.

Without knowing whats in the kit it basically impossible to advise whether its worth it or not.

It could be a tired old T2 bolted to some rusty press bend manifold on the other hand could be a pair of roller bearing 35/40's on a tuned stainless manifold.

Find out whats actually in the kit, get some details then come back.

Come on guys the engine is a strong unit. 9:1 @ 1 bar is ok the spark mapping is the critical bit with any blown application on any engine. The standard injectors are 313cc and the standard fuel pump can't keep up with the injectors at 100% duty cycle. so it's not the engine thats a problem it's the fuel system that can't keep up that usually causes the engine reliabilty problems. So like low rider said it's a cheap kit even if the turbo needs an overhaul, plus definitely intercooler, upgraded pump and injectors and a day at the dyno to tune the whole set up.

Cheers Dave.

Any engine is only as strong as it's weakest part, and in the case of mitsubishi's later 3.5L v6's, the weakest part is by far the pistons, which the crowns like to break off of. 1bar of boost with those pistons - I give you 3 months max before you're back in the workshop for a full engine rebuild.

Or the conrods and bearings :rant:

yeah thats not a magna engine. 2.5TT engine

Mitsubishi Galant VR4 Engine last I saw.

Pretty much I wouldn't turbo a magna, I wouldn't supercharge one either. Keep it N/A and just do the basic little mods.

If you want a fast car save the money you'd spend on doing 5-10k worth of modifying and just buy a SS Commo, already more power than a supercharged magna. OR Just buy a R34 Skyline GTT, they look better, are lighter and respond better to bolt on mods.

cheaper too, and you have a point.
but hey some of us do it to have somthing different, than every bogan in a commodore, or fully hetic in a skyline.
(having said that, i wouldn't mind a R34)

cheaper too, and you have a point.
but hey some of us do it to have somthing different, than every bogan in a commodore, or fully hetic in a skyline.
(having said that, i wouldn't mind a R34)

An R34 would be epic, they look so good and around wollongong there aren't many.

Without knowing whats in the kit it basically impossible to advise whether its worth it or not.

It could be a tired old T2 bolted to some rusty press bend manifold on the other hand could be a pair of roller bearing 35/40's on a tuned stainless manifold.

Find out whats actually in the kit, get some details then come back.


going by that post it is quite clear you shouldn't be giving advice on any sort of turbo/manifold application..

I'm going to look at it on thursday night so i will find out what comes with it and i will take some pic's. :happy:

Won't the kit not work with a 6G74 as its coming off a VR4 2.5TT engine? Or is the OP just buying the turbo?

Won't the kit not work with a 6G74 as its coming off a VR4 2.5TT engine? Or is the OP just buying the turbo?

VR4 motor is a 6A1 motor which might (well probably does) have a different exhaust bolt pattern and port size to a 6G7 motor

Doesnt matter really, flange plate can be cut off and 6G7 one welded on...

going by that post it is quite clear you shouldn't be giving advice on any sort of turbo/manifold application..

Oh and why is that bud?

My point was that depending on what parts have been used and who put it together, could make the difference between being worthless scrap metal or a kit that does actually work well.

mostley the terminology is just all wrong.. it doesn't make sense.. manifold runner length doesn't have to be 'tuned' despite what hot4's and Fast and the furious say.. stainless isn't the best for making turbo manifolds infact it's actually one of the worst materials as it 'work' hardens, becomes brittle and literally snaps off.. T2 is a flange plate to the turbo/manifold..

just the little things like that... it would be like a plumber describing how fiber optic's work, and using terms like flange, instead of Hub, etc etc..

;1060052']VR4 motor is a 6A1 motor which might (well probably does) have a different exhaust bolt pattern and port size to a 6G7 motor

Doesnt matter really, flange plate can be cut off and 6G7 one welded on...

what your reffering to is the 'header' plate :)

you can't reliably weld cast iron (there are ways, you most certainly can weld the stuff.. but wheather or not it will last).. it's too brittle, especially if it's quite old..

best off getting a couple of cheap steam pipe log style manifolds, with a decent collector made up.. figure a price for a 4 banger steam pipe with a nice ported collector is $550... a pair of 3 cyl manifolds would be under $1000... that would be plenty to turn a pair of smaller turbos.. if your not after 25psi of boost and 500hp at the wheels you don't need a full runner, merge collector steam pipe manifold..

perfect example is this little steam pipe manifold my made did for my Starlet Turbo, somewhat of a colelctor with the steam pipe a quick cleanup inside with a porting air tool is all it needs..
and that bad boy will flow up to 200hp @ the wheels (with a TD04L on the 4EFTE) and could probly do more, but that motor wasn't ready for any more than about 18psi..

Details are

Craig - Extreme Custom Engineering
Unit 2/142 Beatty Rd, Archerfield QLD 4108
3274 3700

i encourage anyone who wants to do anything with boosting well anything.. give him a call..

$550 gets you this... so figure 2 x 3cyl manifolds......
http://img266.imageshack.us/img266/5296/coated1.jpg

sorry, i had this ceramic coated.. which he can arrange at extra cost, $550 was the UNcoated price.. ofcourse he can do manifolds how ever you like.. big ram horn things, tuned length if you so desire.. external gates, intercooler pipeing, dump pipes, exhausts, molly cages etc etc.. anything ally is welcom also..

OR Just buy a R34 Skyline GTT, they look better...

That's just personal opinion ;)

That's just personal opinion ;)

Very personal :D

if were after personal opinion.. i'd just buy a 1JZ powered IS200...

those lines are just perfect on that car...

i'd be happy to do the conversion myself.. but there are so many out there already done ready for the plucking.... num num num...

What ever happened to this "turbo" engine setup u were gonna have a look at mate?