Turbocharged Aurora

[bravadaurora]

Turbobygarrett which is the company GM had turbo charge the Aurora V8 that Cadillac used in the LMP series tells me that I can put a GT3582R turbo on my car with a TiAL 38mm wastegate and a front mount air/air intercooler....... interesting ;D

Has anyone looked into this before? The guy I am dealing with left this morning for the SEMA show so I won't get to speak with him in more detail about it until this weekend.

Anyones thoughts on this?

[lanceslambos]

well it's certainly possible, but there's not much room for the intercooler unless you pull out the fogs

[bravadaurora]

I'll let you know what I find out once he gets back from SEMA. This would be awesome if it is possible, I am staying positive! haha

[aurora4]

The classic pace car was turbo charged right? how did they have it done in that?

[Marc]

It could probably be done if you were willing to spend enough time & money on it.

[lanceslambos]

no the pace cars did not have a turbo to my knowledge

[lkraft92]

i have looked into a turbo before. i would do a rear mounted turbo (check squire turbo systems). they specialize in rear mounted turbos and have a lot of kits. if your looking into a turbo, i would start there. a rear mounted turbo is good, becuase you really dont need an intercooler because you have a 10 ft intake pipe running from the back to the front of the car, which is basically a giant intercooler. but if you really wanted to, you could add a small intercooler in the small intake between the fog lights. i have already done a lot of research and as far as i know, only one person has added a turbo to an aurora. member shelbyracing had a shelby engine swap with a rear mounted turbo, but he hast been on here since august. i kinda wanted to keep this secret, but i have been thinking about a turbo for over a year now and really wanted to be the first one to add a turbo to an aurora, but i just dont have the money for it now. if you wanted to do a rear mounted turbo, it will probably cost around $3000-4000. it is definitely a major upgrade and some serious money, but you would have the fastest aurora around and would definitely be worth it.

[bravadaurora]

Thanks, I am researching both options of adding a Turbo or a Supercharger. I am waiting to hear back from Vortech which supplied the Supercharger for the Shelby Series 1 car which used our Aurora V8. I don't want to go over $3k including installation if I can help it.

[Deleted]

Nov 2, 2011 17:57:21 GMT -6 lkraft92 said:

i have looked into a turbo before. i would do a rear mounted turbo (check squire turbo systems). they specialize in rear mounted turbos and have a lot of kits. if your looking into a turbo, i would start there. a rear mounted turbo is good, becuase you really dont need an intercooler because you have a 10 ft intake pipe running from the back to the front of the car, which is basically a giant intercooler. but if you really wanted to, you could add a small intercooler in the small intake between the fog lights. i have already done a lot of research and as far as i know, only one person has added a turbo to an aurora. member shelbyracing had a shelby engine swap with a rear mounted turbo, but he hast been on here since august. i kinda wanted to keep this secret, but i have been thinking about a turbo for over a year now and really wanted to be the first one to add a turbo to an aurora, but i just dont have the money for it now. if you wanted to do a rear mounted turbo, it will probably cost around $3000-4000. it is definitely a major upgrade and some serious money, but you would have the fastest aurora around and would definitely be worth it.

I would like to know who this person is and how I contact him... to my knowledge not a single soul has ever charged an Aurora..and if they did, they didnt live to tell the story.

[roara]

^^shelbyracing, apparently. I don't recall hearing about the turbo, but yes on the shelby 4.0
aurorah.proboards.com/index.cgi?action=viewprofile&user=shelbyracing

[lkraft92]

i am pretty sure i remember that he was working on installing a rear mount turbo in his shelby. i could be wrong but i am like 90% sure he did or was working in it.

[bravadaurora]

Shelby used a supercharger not a turbo. Cadillac used our stock Aurora V8 & had it twin turbo charged for the LMP car but of course it would be impossible to fit a twin turbo under our hood! lol In the LMP car they used a Chinese Industrial company for the first twin turbo's but moved on to Garrett turbo's. That is why I contaced Garrett directly. I am also speaking with Vortech & waiting to hear back.

[aurora4]

How much psi could our engines handle?

[lkraft92]

without any engine modifications, i wouldnt go more than 8psi. i would also reprogram the ecu to make the engine run better with a turbo.

[shelbyracing]

I have the turbo, and the logistics plotted but $$+Time= problem. It has been put on hold for a while. I am now unemployed, in the process of building a house, and trying to get a college grant. I am very sorry to disappoint you. I was put on hold while making the bracket for the dual exhaust to go into the turbo.
Your engine would take the turbo better with the vin 9 cams, dual exhaust, and platinum tips. More hp=more heat, enough to damage a plug.

[lkraft92]

i thought you used a turbo(chalk another one up for lathan, lol). sorry to hear that you havent been able to finish the project. best of luck to you, but when you start working on it again, take a lot of pics and possibly do a write up. it would be a great addition to the site.

[Aurora40]

Nov 3, 2011 8:33:18 GMT -6 bravadaurora said:

Cadillac used our stock Aurora V8 & had it twin turbo charged for the LMP car but of course it would be impossible to fit a twin turbo under our hood!

I've tried to steer clear of these types of threads as of late, because dreamers gonna dream.

But when I saw bravadaurora started the thread, I figured I should take a look.

The engine GM used in the LMP900 Cadillac was absolutely not a stock Aurora engine with turbos. It was the IRL "Aurora" V8, an engine designed to withstand extremely high compression ratios (like 15:1 or so if I recall, on methanol) and revs (10,800 mandated max).

It has nothing in common with the production engine except that it's an aluminum V8, and shares bore spacing.

Your budget of $3,000 would probably not even cover the exhaust fabrication to route to the turbo, let alone the turbo itself, intercoolers, extra fueling capacity, fabrication, and tuning (if you could even find someone that can tune the PCM).

And if you got all that done, I doubt you could reliably run much more than 4-5 pounds of boost, which on a 250hp engine would net you about 315-330 horsepower.

You are correct that Shelby used forced induction on the Aurora motor. What isn't clear is how much internal engine work was done to allow it. What is known is that the supercharger package added about $30,000 to the price of the car.

I hate to be a downer, but unless you have tons of money or tons of fabrication skill, and definitely tons of patience, any sort of forced induction on an Aurora is a non-starter.

[bravadaurora]

my bad, it was the modified version that had the twin turbo's in the LMP. According to Garrett Turbo however, who provided those twin tubrobs for Cadillac, he has told me the information that I posted in my first post here that I can do it with one turbo. I would like to spend only $3k bc that is what I have on tap for it however if it takes a bit more & can actually produce results I am willing to go there. I just paid off my car 3 years early & I have only 50k miles. If I need to, I would not mind taking out a new loan against it to do the modifications. If it is not possible then I will post the results here so we know you are not Debbie Downer Aurora40, haha. This will be the "end all say all" post on this topic, I will make sure of it! lol

[NinEFivEFourOH]

Aurora 40's right, you're better off going the route I'm going, 4.6 swap with CHRFAB cams and a worked engine... I'm doing the whole nine yards with worked heads, headers, ported intake manifold and TB, intake, full dual exhaust, and lightened lowerend. I'm expecting a 75-100hp increase over stock output.

[Aurora40]

I'd probably go a step further and suggest getting a different car. These cars are only going to be so fast. These are nice cars, they sound good, drive nicely, get decent economy, and make reasonable power. But that's about it.

Enjoy it for what it is, and get something else to do what it doesn't, and I think you'll be a lot happier.

[RCA1186]

See I'm the same way as TS I like the idea of a turbo Aurora. Theres really no limit on how fast you could make it, it all depends on how deep your pockets are. You could get as far as a RWD conversion if you wanted to make it REALLY fast, its all about how far you are willing to go to be different haha.

[Marc]

There's a universal turbo kit at ststurbo.com/universal_turbo_systems It doesn't look easy, but it could be put on an Aurora with enough effort & money.

[Aurora40]

[gator]

During the teardown of my 4.0 and reassembly of my 4.6 I pondered a sc placed between the heads. A Roots or Eaton style, with the pulley placed where the ps pump is. There are stock sc cars set up this way and some even have an intercooler slipped in there. This may be least expensive/least extensive path to Aurora forced induction enlightenment. Please do not get me started on the ps options. Maybe another thread, another day. Get-r-done.
Gator

[gator]

About the turbo... I really, really like turbos, a lot. There is actually more than enough room to put a pair of turbos in there. The twins would cost a bunch, but there would be much less fab work and plumbing issues than with a single. Wouldn't even mess with an air to air in this car. I would opt for an ac charged intercooler made to fit in the space of the stock intake. This would reduce plumbing issues on the intake side as well, but would be more fab work. Turbos would be more $ than a sc, that's why sc's are more common, but if you're dropping $5k already, another $2k would be worth it. All of this considered, I wouldn't add any boost without studding the heads first. In fact, I wouldn't even go WOT or over 4k rpm without fixing the heads first. As well, how much power can the driveline handle without being fixed first? Well enough of the jibbah jabbah, its P90X time girls, cause if I don't watch my figure, nobody will.
Gator out.

[bravadaurora]

Update** I ended up speaking with the guy at QuickRev who Turbocharged a 99 STS, you can see the Youtube videos of that car. He said it has about $20k+ into that car. I was willing to spend up to $7k if it could really be done. He suggested just a cold air intake and also he said there is a crushed pipe we can bypass & tie in to the back of our exhaust to help with the back pressure. Downer indeed....... I'm still keeping my car though, It would be awesome to have the only turbo Aurora in the country so this will still be a goal of mine =)

[lkraft92]

well your not the only one, that is my goal too and i am hoping to have it done within the next 5 years (i know thats a long time from now but i plan on having my car for a long time, once it hits 200,000, it will be parked and become my project show car)

[bravadaurora]

lkraft92 You can be the one & only 1st gen & i'll be the one & only 2nd gen! At least we know it is possible, just hella expensive. The 99 STS Turbo is an awesome example of the potential that was there but there was just not a market with the typical owners of our cars.

[NinEFivEFourOH]

Yeah but that guy had like 600 or 700hp... He beefed that trans up a lot, and I know he fried it a lot too... (That's probably where most of that figure comes from...).

I don't see why having 2 small turbos on both banks of the motor would be hard to do, there's decent amount of room for them, and probably still a way to intercool them. I guess it depends which motor mounts you have, my 95 doesn't have the on right in front of the exhaust manifold that actually braces to the manifold itself, so I have more room to work, hence, why I'm making headers.

When you say he said something about bypassing a crushed pipe, was he referring to the crossover pipe? (The pipe that goes in between the engine and trans and connects the front manifold to the rear?) That's what I'm doing with my header system, I'm deleting that and designing a new pipe that goes under the car, should really free up some power.

[bravadaurora]

NinEFivEFourOH I believe it is the crossover that he was talking about. The guy with the caddy did do some massive things but he also told me the hardest part was working with the PCM. Here is a sad link to a group who was pursuing a supercharger for the northstars & had to bail out due to the PCM issues www.caddyinfo.com/northstarsupercharger.htm