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Old 08-06-2009, 10:35 AM   #1
Astralavista
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Default Turbo Kit in devolopment

During the winter months I am donating my vehicle to the guys of Hahn Racecraft for a turbo kit installation. They want to develop a kit for the car and under much duress I decided I will let them use my beautiful car (lol) Much details for the kit are not available right now as it is their peak season and they are very busy But I will have more to tell you guys come october and Hopefully by early next year there will be a bolt on solution for our cars! And the better news is they want to make the kit affordable so we're talking the 3000-4000 dollar range, which makes it the same price as pretty much any other kit out there.

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Old 08-06-2009, 11:36 AM   #2
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Default Re: Turbo Kit in devolopment

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Originally Posted by Astralavista View Post
During the winter months I am donating my vehicle to the guys of Hahn Racecraft for a turbo kit installation. They want to develop a kit for the car and under much duress I decided I will let them use my beautiful car (lol) Much details for the kit are not available right now as it is their peak season and they are very busy But I will have more to tell you guys come october and Hopefully by early next year there will be a bolt on solution for our cars! And the better news is they want to make the kit affordable so we're talking the 3000-4000 dollar range, which makes it the same price as pretty much any other kit out there.
any ideas on how much they're looking to boost? are they aiming for stock internals or are they planning on strengthing before they boost?

the more mod news the better woohoo

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Old 08-06-2009, 11:43 AM   #3
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Default Re: Turbo Kit in devolopment

like I said, I don't have much more details yet. But this is the same company that has got an automatic cavalier pushing low 12's in the 1/4 mile, so if they can do that i'm sure they can work their wonders with even a better built car!

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Old 09-18-2009, 09:43 PM   #4
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Default Re: Turbo Kit in devolopment

The Euro tuning company, Regal, claims about 6 for boost before the 1.8 will "pop." I'm not saying it's impossible but if someone else has tried, than you might be getting a brand new car to replace the one the shop blows up. Hope it does though cause I'm still pissed we didn't get the engine options the Vaux/OPels have

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Old 09-18-2009, 09:55 PM   #5
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Default Re: Turbo Kit in devolopment

Astralavista

Put a link to this thread in your signature so we can keep coming back to it to read the progress without having to search for it.

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Old 09-18-2009, 10:14 PM   #6
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Default Re: Turbo Kit in devolopment

There would definitely need to be some serious engine modifications to make it worthwhile. Forced induction works better with an engine that has a lower compression ratio. 10.5:1 is a bit high to be pushing a decent amount of PSI.

If I remember correctly, Jackson Racing put a 5psi supercharger on a B16A2 motor. Even with a full exhaust it was only about 40 extra horsepower, but it wasn't exactly reliable. Some of the cars were fine, while others ended up blowing the motor.

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Old 09-19-2009, 02:57 AM   #7
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Default Re: Turbo Kit in devolopment

IRL, you must at least have the 6 speed trans. If you make a habit of doing 20+ mph in stock first gear, you would probably 'pop' as they said. If I were playing a PC sim and couldn't afford to mod all at once, I'd go in this order... 6 spd trans, rear vented brakes and good braided lines, remap, air intake upgrades, custom cat back at dealership.

From there, either drop a SKY 2.0/turbo kit, or IRL, bolt-on turbo action! Probably a good idea to upgrade ignition system too. Probably expensive as all heck.

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Old 09-19-2009, 11:05 AM   #8
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Default Re: Turbo Kit in devolopment

good luck

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Old 09-19-2009, 11:36 AM   #9
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Default Re: Turbo Kit in devolopment

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There would definitely need to be some serious engine modifications to make it worthwhile. Forced induction works better with an engine that has a lower compression ratio. 10.5:1 is a bit high to be pushing a decent amount of PSI.

If I remember correctly, Jackson Racing put a 5psi supercharger on a B16A2 motor. Even with a full exhaust it was only about 40 extra horsepower, but it wasn't exactly reliable. Some of the cars were fine, while others ended up blowing the motor.
I was pushing 15 psi(turbo)(peak at 17 sometimes) on a 3.8 grand prix(9.5 CR)and blew the engine ONLY because my fuel pump was tired.I know some guys pushing 18 psi on 9.5 compression ratio in thoses 3.8L and everything is fine but the tranny.I bet you can boost 10 psi on a well tuned 1.8L 10.5:1 without any problems.

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Old 09-19-2009, 01:11 PM   #10
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Default Re: Turbo Kit in devolopment

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I was pushing 15 psi(turbo)(peak at 17 sometimes) on a 3.8 grand prix(9.5 CR)and blew the engine ONLY because my fuel pump was tired.I know some guys pushing 18 psi on 9.5 compression ratio in thoses 3.8L and everything is fine but the tranny.I bet you can boost 10 psi on a well tuned 1.8L 10.5:1 without any problems.
7-8psi max i'd say

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Old 09-19-2009, 01:25 PM   #11
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Default Re: Turbo Kit in devolopment

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7-8psi max i'd say
How about a thicker head gasket laser cut out of copper to lower the compression ratio? Any timing changes could be compensated for either via an ECU re-tune or an adjustable cam gear.

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Old 09-19-2009, 02:38 PM   #12
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Default Re: Turbo Kit in devolopment

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7-8psi max i'd say
I'd say that is even pushing it depending on the internal components of this engine. Unfortunately I don't have any information about what is inside this engine. Does it even have any forged components?

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Old 09-19-2009, 04:27 PM   #13
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Default Re: Turbo Kit in devolopment

Are they going to give you the turbo kit for free for being their test mule?

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Old 09-21-2009, 12:19 PM   #14
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Default Re: Turbo Kit in devolopment

I've heard great things about the components inside the Astra engine. Forged rods and pistons, well designed head, etc...

It's really a shame they did not sell this engine in a 160-190 hp NA configuration.

As far as a thicker head gasket as a means to lower compression that is VERY undesirable for several reasons. I even tried it once on my powerstroke and when it increased the squish everything went to hell. The proper way to do this is low compression pistons but that leads us down a route that is just too expensive for this little car. Better to buy a better hop up platform to begin with.

As far as the max allowable boost goes, a big part of that equation is the effectiveness of the intercooler. If it gets an effective intercooler the much cooler intake air temps w/ lessen detonation and allow us to run much more boost. But of course that would cost more.

At this point, for me personally, I have excepted and love my Astra exactly like it is and no longer have plans for modifications to this vehicle. Just too many hurtles to overcome (add the clutch to the list of problems). It might get a programmer and a free flowing muffler depending on results but that is all.

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Old 09-22-2009, 10:38 PM   #15
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Default Re: Turbo Kit in devolopment

I'm guessing this car also does not have a LSD? Too much extra horsepower is really going to suck without one, especially when accelerating through the corners.

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Old 09-23-2009, 09:23 AM   #16
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Default Re: Turbo Kit in devolopment

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I'm guessing this car also does not have a LSD? Too much extra horsepower is really going to suck without one, especially when accelerating through the corners.
I believe it does... XR 3 Door has Stabilitrack as well.

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Old 09-23-2009, 10:10 AM   #17
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Default Re: Turbo Kit in devolopment

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Originally Posted by Suns_PSD View Post
I've heard great things about the components inside the Astra engine. Forged rods and pistons, well designed head, etc...

It's really a shame they did not sell this engine in a 160-190 hp NA configuration.

As far as a thicker head gasket as a means to lower compression that is VERY undesirable for several reasons. I even tried it once on my powerstroke and when it increased the squish everything went to hell. The proper way to do this is low compression pistons but that leads us down a route that is just too expensive for this little car. Better to buy a better hop up platform to begin with.

As far as the max allowable boost goes, a big part of that equation is the effectiveness of the intercooler. If it gets an effective intercooler the much cooler intake air temps w/ lessen detonation and allow us to run much more boost. But of course that would cost more.

At this point, for me personally, I have excepted and love my Astra exactly like it is and no longer have plans for modifications to this vehicle. Just too many hurtles to overcome (add the clutch to the list of problems). It might get a programmer and a free flowing muffler depending on results but that is all.
Yeah I'm in your boat...i'm going with the programmer and better muffler and thats it for my engine performance...probably lower the car and add a small spoiler to help out the bubble butt and then tint and i'm finished til i want to paint

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Old 09-23-2009, 10:16 AM   #18
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Default Re: Turbo Kit in devolopment

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I believe it does... XR 3 Door has Stabilitrack as well.
StabiliTrak and a good LSD are not really the same thing. If it had a quaife LSD, then we would be talking.

I'm not saying it doesn't have a LSD, but don't see why it would with such little horsepower.

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Old 09-24-2009, 12:21 PM   #19
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Default Re: Turbo Kit in devolopment

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StabiliTrak and a good LSD are not really the same thing.
I know. That's why I wrote "as well". I researched and found that the LSD is only available on the VXR in Europe. Here in the states, we get Electronic Traction Control PLUS Stabilitrak.

"Thanks" CA emissions standards! No Red Line Astra for us...

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Old 09-24-2009, 12:40 PM   #20
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"Thanks" CA emissions standards! No Red Line Astra for us...
Yeah. the rest of the US gets the Red Line Astra! Oh, wait......

GM was going to bring the Red Line Astra to 50 states, except for 1 states emissions ruined it! Oh, wait.....

Does not compute.

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