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Project black 924 :)
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Joes924Racer  



Joined: 03 Nov 2002
Posts: 11966
Location: Oregon, Denver Colorado native!

PostPosted: Thu Feb 20, 2014 10:21 pm    Post subject: Reply with quote

great post, great job on the car.
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1979 porsche 924 Na
1980 porsche Turbo 931GT Replica
Have u ever driven a turbo.
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ThomasJoseph315  
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PostPosted: Wed Feb 26, 2014 2:42 pm    Post subject: Reply with quote

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DutchPug  



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

PostPosted: Mon Mar 17, 2014 9:03 am    Post subject: Reply with quote

Have driven the 924 a lot the past few weeks since the weather has been quite nice for the time of year.

Few mods done; made a proper crankcase breather canister, moved the battery to the spare wheel compartment and washed the car!



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WEASEL149  



Joined: 19 Aug 2005
Posts: 595
Location: UK, Sheffield

PostPosted: Tue Mar 18, 2014 12:47 am    Post subject: Reply with quote

Looking very nice. I like your breather modification.

Have you had much blow-by when running more than 1bar boost?

I have considered fitting an exhaust venturi crankcase breather system. My exhaust should be very low back pressure so it should work.
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1979 UK 932
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morghen  



Joined: 21 Jan 2005
Posts: 7910
Location: Romania

PostPosted: Tue Mar 18, 2014 12:58 am    Post subject: Reply with quote

"washed the car" nice mod ! i will try that next week
but that rear is too low...cmon...at least please wear some 21mm spacers.
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red 924 and not red 924
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DutchPug  



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

PostPosted: Tue Mar 18, 2014 4:34 am    Post subject: Reply with quote

@ Weasel

Had a bit of blow-by but because i was just using the stock hose (with the restrictor removed) sometimes a few drops of oil came out; making things messy. Have made the can with a return to the sump and lots of baffles in it. Not a drop of oil has come out if it since and it smells better inside the car .


@ Morghen,

Hard to see but the car is standing on a small incline. It sits perfectly level, but is quite low indeed; like that . Have not decided on a rear spacer yet.

Have decided on something else though, bought this;



Yes, intended for this car . Am not going to put it in right away; since then the car won't be drivable for quite some time. Plan to start around November. First like to try the Catcams cam and enjoy the car till November (if the engine lasts).
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GeorgeV  



Joined: 14 Mar 2010
Posts: 302
Location: Brisbane, Australia

PostPosted: Tue Mar 18, 2014 11:13 pm    Post subject: Reply with quote

DutchPug wrote:
@ Weasel
Have decided on something else though, bought this;

Yes, intended for this car .

Well, I can't wait for that build thread! Will you rename the car 2924 (=924+2000)?
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1981 932 with mods:
http://www.924board.org/viewtopic.php?t=37921
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DutchPug  



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

PostPosted: Sun Feb 01, 2015 8:02 am    Post subject: Reply with quote

Update; have been driving the car a lot last year, the engine didn't miss a beat .

Since i'm pretty busy with other stuff, have decided to put the k20 swap on hold for a bit... But did finally manage to make time to put the upgrade cam, springs, and solid lifters in.

The results; 352 rwhp @ 1.6 bar of boost pressure (around 400 engine hp)... lost torque down low though, so although it will be much faster when driven in anger... am sure this cam is not everybodies cup of tea.

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morghen  



Joined: 21 Jan 2005
Posts: 7910
Location: Romania

PostPosted: Sun Feb 01, 2015 7:33 pm    Post subject: Reply with quote

Impressive result.
It amazes me how easy you make it look to convert the car to efi, strap a big turbo on it and make loads of power.
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Raceboy  



Joined: 01 Mar 2004
Posts: 2305
Location: Estonia, Europe

PostPosted: Mon Feb 02, 2015 3:29 am    Post subject: Reply with quote

Nice, it is more power from the engine than 924 Carrera GTR
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'83 924 2.5 16v Turbo, 470hp
'67 911 Irish Green hotrod, 2.4S
'89 944 S2
'91 944 S2
'78 924 Carrera GT project
'78 911 SC 2.5 ss Turbo
'82 924S/931 "Gulf", sold
'84 924, turbocharged, sold.
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CÚdric  



Joined: 27 Aug 2004
Posts: 1766
Location: Sweden

PostPosted: Mon Feb 02, 2015 5:53 pm    Post subject: Reply with quote

Great news that you will keep this engine for a while Have you had the possibility for any performance logging? Would be interesting to see how fast it is.

What sweep speed do you use on the dynapack?

What cam is it?
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DutchPug  



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

PostPosted: Tue Feb 03, 2015 7:41 am    Post subject: Reply with quote

Sweep speed on the dynapack i usually set to 2 seconds for every 1000 rpm. Run from the picture was done on 1.5s for 1000rpm and a pretty long time between the previous run; turbo spool up is about 2-300 rpm later in this print and power down about 3-4 hp.

Have a g-tech performance meter but like the racelogic stuff better. Did two runs last year with 300 whp: 12.9 @ 184 kmh and the other run had a mis shift; gear lever came loose . I'm sure that time can be improved a lot.

Cam is 5220021 Catcams.
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Scorpio  



Joined: 05 Jul 2007
Posts: 1956
Location: Brisbane, Australia

PostPosted: Sat Feb 28, 2015 1:53 pm    Post subject: Reply with quote

Great work!
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1979 NA
MS1..EFI..
GARRETT T25 TURBO
BILSTEIN SHOCKS
GT BASED CUSTOM BODYKIT

Brisbane , Australia
Think mean think fast
all youll see is
my Porsches Arse!!!
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chris79  



Joined: 29 Jan 2014
Posts: 551
Location: milan

PostPosted: Sun Mar 01, 2015 5:04 am    Post subject: Reply with quote

Can I install turbo kit in NA european 125hp of 79 without rebuild Engine 35 years old? Where do I buy this kit?
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Raceboy  



Joined: 01 Mar 2004
Posts: 2305
Location: Estonia, Europe

PostPosted: Sun Mar 01, 2015 8:12 pm    Post subject: Reply with quote

Lol there is no kit

Me and Pieter have done turbo modification by making the crossover pipe our own and also installed VEMS EFI.

And yes, you can boost stock engine, it can quite easily take ~230-250 hp on 98RON gasoline.
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'83 924 2.5 16v Turbo, 470hp
'67 911 Irish Green hotrod, 2.4S
'89 944 S2
'91 944 S2
'78 924 Carrera GT project
'78 911 SC 2.5 ss Turbo
'82 924S/931 "Gulf", sold
'84 924, turbocharged, sold.
http://www.facebook.com/vemsporsche
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