Hey guys, I just finally got my car tuned and working great. The only problem is that I am worried that my turbo may be too large, and will blow my engine. I am running stock internals with a GT35 at 8 psi with a unichip piggyback unit. If I pound my car once every two days, how long will my car last before it needs an engine rebuild to prevent it from blowing up? I know if I want high boost, I will need a rebuild, but at such low boost, is it something to worry about? I read a lot of posts saying that our ralliarts can handle 12 to 14 psi safely, but is that based on turbo size, or does that go for any turbo?

Also, since I'm asking, how much faster do you guys think the new ralliarts will be, with their 2.4 DOHC turbo AWD, vs our SOHC turbo FWD? I just get worried that I pumped so much time into this car, and a guy can buy a stock ralliart and smoke me without any effort.

 

who told you you can push 12-14 psi on stock internals? i dont know about turbo size,buti know on my big 16g from RRM i wouldnt go anything past 10 psi with this tune and this stock motor.

 

One thing to keep in mind, 8psi on a GT35 isn't going to be the same as 8 psi on a 16G (I think what RRM's kit uses.) To answer your question, keep a close eye on your plugs to watch for oil in any of your cylinders, and monitor your cylinder compression, as well.

It wouldn't be a bad idea to look into running a smaller turbo, either. You're nowhere even close to taking advantage of the GT35, you probably won't ever push that kind of power, and the only thing you're getting from it is a bunch of turbo lag. Something smaller will give you faster spool times and still leave you room to increase power down the road.

 

I thought I read somewhere That the ralliarts could push 12 to 14 psi. I'll see if I can find the posts. Also, you're right, I do feel quite a bit of lag. I think the power kicks in at almost 4000 RPM, but when it kicks in, and the tires get grip, the car launches hard. I used to have a GT25 running at 10psi. That made small power, people laughed at the small turbo, and I had lots of problems with it... maybe from poor tuning. As for monitoring my engine, should I get more guages? right now I pay close attention to my EGT and wide band. Are there anymore that I should use to make sure I don't blow my engine?

 

12-14psi would be pushing it, and no way I'd try that boost level on a turbo that large. Oil pressure, oil temp, and obviously a boost gauge would be a good investment.

Chances are your GT25 was an issue with poor tuning. Also, who cares if people make fun of a small turbo? All that matters is that you whoop their *** at the track. Evos come with small turbos (16g) yet they can still get 450+ hp out of those things. 500 if they get one of those modified Evo 9 turbos (FP green).

 

I do have a boost/vac and water temp. I was using my stock oil temp guage, you know, that one on the dash with no numbers =), but I probably need to get a better one. I'll probably take your advice and invest in an oil temp and pressure guage. Thanks.

As for the GT25, you're probably right, crappy tunning, but it's too late now. I still have it in my trunk, but I probably won't put it back on... It'll cost too much, and I rather use that money to rebuild my engine, so I'm saving up for that. All I know is that when I had that GT25 on, my car was not happy. But after I removed it, I used a better tuner, and replace all my pipes and intercoller to big sizes, and now it runs great, but spool time is really laggy like what you said. I'm hoping to have my engine rebuild sometime by the end of this year, because that big turbo worries me when I'm running stock internals.

 

The stock gague your looking at is water temp not oil temp. I only wish oil would come to operating tempature that quick.

I feeel bad for you it seems you have had nothing but problems with youur car. Where did you get all of this done?

 

lol, you're right. I get those two mixed up, espically since I don't really look at that one. So that means all I need now is an oil pressure guage, and I'm good to go.

As for all the problems, you're right. If you look at my posts, you'll see non stop problems... I jumped the bullet before I did the research, and learned the hard way. The first place I went was Essential Speed, which was the worst place ever. That's probably they closed down too (please forgive my bitterness), but now everything is working, and I'm really happy with this garage. they've spent a lot of time fixing up the mess from ES, and didn't charge me all my savings. I guess that's what I get for trying to have one of the first Ralliarts.

 

I think it was that if you got rrm's upgraded pistons you could run about 12 psi

 

Why buy rrm pistons for 800$ when I know where you can get them for 420$ and the rods for 240$ in crome moly heheh I am like a GPS for R@ stuff

 

Sorry to ask a dumb question like this, but is Crome Moly the best material for forged parts? If so, where do you get those parts from, because that's really cheap.

 

I am not gonna reveal my secrets here pm me !!! Crome moly for rods is the best for the price not beter than Titanium but again hello who can afford titanium RODS

 

if u ever blow up ur engine contact me... i have a spare RA engine sitting in the garage

 

Who told you that a 16G is a big turbo !!!?

 

The chrome moly are 280 each. The cheapest I found are crower rod 180 each.