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Project black 924 :)
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chris79  



Joined: 29 Jan 2014
Posts: 549
Location: milan

PostPosted: Tue Mar 03, 2015 5:46 am    Post subject: Reply with quote

But before install a turbo kit i have to rebuild Engine to prevent damages due to increasment of power? There is some kits For sale in web?
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Raceboy  



Joined: 01 Mar 2004
Posts: 2292
Location: Estonia, Europe

PostPosted: Tue Mar 03, 2015 6:15 am    Post subject: Reply with quote

We both installed turbo on the engine without opening it up and no rebuild.

What kit do you mean? If turbo kit, there is no kit for 924 available. In past, there was a BAE kit but it is very difficult to find, turbo is usually blown and you get maximum of ~160 hp out of it.

Your only way to get a turbo on your 924 is either a) build it yourself, b) have someone make it.

The last option will be expensive because labour usually costs 2/3 of the total cost while 1/3 is parts.
_________________
'83 924 2.5 16v Turbo, 470hp
'67 911 Irish Green hotrod, 2.4S
'89 944 S2
'91 944 S2
'78 924
'78 911 SC 2.5 ss Turbo "Martini"
'82 924S/931 "Gulf" racecar, 330 hp, sold
'84 924, turbocharged, sold.
http://www.facebook.com/vemsporsche
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chris79  



Joined: 29 Jan 2014
Posts: 549
Location: milan

PostPosted: Tue Mar 03, 2015 7:38 am    Post subject: Reply with quote

but turbo 924 has different pistons, head, compression, ecc, the reliability of engine is not compromised ?
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morghen  



Joined: 21 Jan 2005
Posts: 7732
Location: Romania

PostPosted: Tue Mar 03, 2015 8:33 am    Post subject: Reply with quote

If your name is Raceboy or DutchPug then no
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red 924 and not red 924
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Raceboy  



Joined: 01 Mar 2004
Posts: 2292
Location: Estonia, Europe

PostPosted: Tue Mar 03, 2015 5:07 pm    Post subject: Reply with quote

Lol stock 931 pistons are worse than 924 ones.

Haha morghen, good one!
_________________
'83 924 2.5 16v Turbo, 470hp
'67 911 Irish Green hotrod, 2.4S
'89 944 S2
'91 944 S2
'78 924
'78 911 SC 2.5 ss Turbo "Martini"
'82 924S/931 "Gulf" racecar, 330 hp, sold
'84 924, turbocharged, sold.
http://www.facebook.com/vemsporsche
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fiat22turbo  



Joined: 18 Jan 2006
Posts: 4040
Location: Portland, OR

PostPosted: Tue Mar 03, 2015 6:02 pm    Post subject: Reply with quote

Wow. You give 'em books and they just eat the covers.

SOME CAN TURBO OR SUPERCHARGE A STOCK 924 ENGINE.

If you know what you're doing or are willing to learn and fail as you go.

IT WILL BE COMPLETELY CUSTOM AS THERE IS NO "KIT" AVAILABLE ANYMORE.

Chris, you need to do some reading on how turbochargers work and their concepts before you even think about trying to add one to your car.
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Stefan
1979 924 Carrera GTS (clone-ish)
1988 944 Turbo S (Silver Rose)
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WEASEL149  



Joined: 19 Aug 2005
Posts: 589
Location: UK, Sheffield

PostPosted: Tue Mar 03, 2015 10:54 pm    Post subject: Reply with quote

Knowing what you're doing with engine management and tuning is key in my opinion.
Good control over fuelling and ignition timing and being able to monitor what's happening is critical, if components are to survive.

Raceboy and DutchPug both know what they're doing with VEMS.
If you look at the other cars Raceboy has installed VEMS to you'll see he's an expert at it (which is why I've asked for his help with my own project).

I agree with fiat22turbo though - read/research as much as possible before you attempt anything, as you need a good understanding first.

Regardless though, what Raceboy and DutchPug have achieved with a turbocharged 924NA is very impressive
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1979 UK 932
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chris79  



Joined: 29 Jan 2014
Posts: 549
Location: milan

PostPosted: Tue Mar 03, 2015 11:20 pm    Post subject: Reply with quote

ok, i found solution for my tuning, I buy a ticket for Italy fro Raceboy and DutchPug
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morghen  



Joined: 21 Jan 2005
Posts: 7732
Location: Romania

PostPosted: Wed Mar 04, 2015 12:09 am    Post subject: Reply with quote

He must want to beat Joachim then
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WEASEL149  



Joined: 19 Aug 2005
Posts: 589
Location: UK, Sheffield

PostPosted: Wed Mar 04, 2015 12:23 am    Post subject: Reply with quote

morghen wrote:
He must want to beat Joachim then


HA! Good luck with that one!
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1979 UK 932
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DutchPug  



Joined: 27 Jul 2008
Posts: 94
Location: the Netherlands

PostPosted: Wed Mar 04, 2015 8:25 am    Post subject: Reply with quote

haha nice to read the comments. Think the best for Chris is to read up (a lot) before starting a project that could take years to get finished successfully if you don't have the right knowledge or support (and it will cost a bit too).

As said before will keep the 924 engine for a bit. So have started on the next improvement; the intake manifold.

The idea is to print the intake completely in ABS for testing (besides that simply like to see if i can print an entire intake) and then have one milled... since i don't think the ABS will hold up too long. Objectives are; much better top end performance than the stock intake and I don't want to change the throttle body position.

Here the design;


Already printed a couple of runners to do some measurements;
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chris79  



Joined: 29 Jan 2014
Posts: 549
Location: milan

PostPosted: Wed Mar 04, 2015 9:06 am    Post subject: Reply with quote

And then you can create a kit for my happiness
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Raceboy  



Joined: 01 Mar 2004
Posts: 2292
Location: Estonia, Europe

PostPosted: Wed Mar 04, 2015 4:09 pm    Post subject: Reply with quote

Chris, your priorities are a bit off. Having a kit does not mean you can slap parts on and start driving it at full tilt.

Having someone make the piping for turbo isn't also a big problem, but you need to convert the engine to EFI and then tune it also. And when tuning one mistake with igntiion table can be the end of your engine. No joke.
_________________
'83 924 2.5 16v Turbo, 470hp
'67 911 Irish Green hotrod, 2.4S
'89 944 S2
'91 944 S2
'78 924
'78 911 SC 2.5 ss Turbo "Martini"
'82 924S/931 "Gulf" racecar, 330 hp, sold
'84 924, turbocharged, sold.
http://www.facebook.com/vemsporsche
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chris79  



Joined: 29 Jan 2014
Posts: 549
Location: milan

PostPosted: Wed Mar 04, 2015 9:49 pm    Post subject: Reply with quote

I was kidding, I still have a lot to learn before tuning Engine.
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chris79  



Joined: 29 Jan 2014
Posts: 549
Location: milan

PostPosted: Fri Mar 06, 2015 2:01 am    Post subject: Reply with quote

If I change only flow of Air and fuel with valves and butterfly increased, leaving mechanic original, I have to masde other changes to cilinder compression and k jetronic injection ? And costs ?
(assuming I open head myself)
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