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PwrGTOGuy
Joined: 23 Jun 2007
Posts: 194
Location: Middletown, PA
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 Posted: Wed Jul 18, 2007 8:56 am Post subject: New 924 Turbo Owner w/ pics |
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Hey all, i've been lurking for some time waiting for delivery on my 1980 931 project.
We it finally arrived... The good news is that it starts and runs pretty well...
The bad news is a laundry list...
The whole thing need an overhaul, new seals all around, the exterior needs some work, the interior is terrible...
I already have most of the parts for my efi conversion... I like the idea of MFI, but honestly, i'm a computer programmer, that would be like using punchcards to program rather than a developed language.
The turbo is shot, the exhaust manifold leaks exhaust, I'm almost positive there are vacuum leaks... It looks like everything in the car is original to the car, including belts and hoses. Shifter is sloppy, clutch pedal has almost no travel....
Ahhh, good fun.
Last edited by PwrGTOGuy on Sun Jul 22, 2007 10:40 am; edited 1 time in total |
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endwrench
Joined: 07 Dec 2002
Posts: 1631
Location: Victor, Montana
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| Posted: Wed Jul 18, 2007 12:56 pm Post subject: |
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Oh, believe me, the "fun" will never end 
Todd
_________________
'79 924NA. Rebuilt 9.5:1, MSDS header, Mega Squirt Injection, MJLJ-EDIS Ignition, 1.6L Whipple Charger and Intercooler, 10lbs Boost, 944 Trans, Custom HD Clutch.
"simsport" said....superchargers are better than turbos its official!.... |
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Paul
Joined: 02 Nov 2002
Posts: 9491
Location: Southeast Wisconsin
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| Posted: Wed Jul 18, 2007 1:07 pm Post subject: |
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The motor is an interference design, the timing belt is less than $15, check it!!!
_________________
White 87 924S "Ghost"
Silver 98 986 3.6l 320 HP "Frank N Stein"
White 01 986 "Christine"
Polar Silver 02 996TT. "Turbo"
Owned and repaired 924s since 1977
Porsche: It's not driving, it's therapy. |
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D Hook
Joined: 02 Nov 2002
Posts: 3158
Location: Omaha, NE
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| Posted: Wed Jul 18, 2007 8:58 pm Post subject: |
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Welcome to the board. Post some pics when you get them. What color is the car? Don't forget that alot (most) of 944 parts will fit right into your interior so you have plenty of resources for parts.
Good luck! Let the suffering begin! 
_________________
'80 924 n/a SOLD |
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PwrGTOGuy
Joined: 23 Jun 2007
Posts: 194
Location: Middletown, PA
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| Posted: Thu Jul 19, 2007 9:27 am Post subject: |
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| Paul wrote: | | The motor is an interference design, the timing belt is less than $15, check it!!! |
No worries mate, i'm tearing the whole block down, stripping the engine bay, cleaning it up, spraying the bay, then i'll work on the other things...  |
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PwrGTOGuy
Joined: 23 Jun 2007
Posts: 194
Location: Middletown, PA
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| Posted: Thu Jul 19, 2007 9:30 am Post subject: |
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| D Hook wrote: | Welcome to the board. Post some pics when you get them. What color is the car? Don't forget that alot (most) of 944 parts will fit right into your interior so you have plenty of resources for parts.
Good luck! Let the suffering begin! |
Awesome tip man, i'll make sure to look into that stuff when i'm ready for the interior... i'll be happy sitting on a crate if I can get the engine sorted out...
Today I wanted to drain the gas tank because it is leaking a bit, so it occured to me, why not jumper the fuel pump relay, and cut the lines at the fuel dizzy. I hooked up a hose to the feed line and just let the pump fill my GTO's tank... now there is a 40 dollar savings
Not too worried about the pump, it will probably be replaced as well... I'll probably ditch the fuel relay in the cabin and use the one on the Megasquirt relay board... I might actually rewire the whole car, but we'll see... depends on ambition, of course, if i'm going to tear it down, I might at well do it right. |
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Vince Ponz
Joined: 02 Nov 2002
Posts: 3581
Location: Florida
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| Posted: Thu Jul 19, 2007 11:38 pm Post subject: |
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Outside of Pocono Raceway there is a turbo that has been sitting there for years. I have been watching it and stopping every other time to look at it.
The jerk let it rot. It was nice at first. Now the junk yard has a sign on it best offer. Anyone interested it is in the junk yard just before you get to the track.
Dark gray.
_________________
"Never let them see you sweat"
77.5 924 modified track car
79 931 Euro stock
88 924S SE
87 911 Targa stock |
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PwrGTOGuy
Joined: 23 Jun 2007
Posts: 194
Location: Middletown, PA
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| Posted: Sun Jul 22, 2007 10:42 am Post subject: |
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Ok, here are some pictures I snapped of the car before I started disassembling it.
And last, my completed Megasquirt just waiting to be installed.
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-nick
Joined: 16 Nov 2002
Posts: 2699
Location: Cambridge, MA
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| Posted: Sun Jul 22, 2007 11:29 am Post subject: |
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Welcome to the 931 MegaSquirt Club! I think you make member #2 
Have any fun plans? Or just ditching the CIS for the obvious reasons?
Aside from the bad re-paint, it looks pretty solid. Even with 7? 8? inch rear wheels? It looks like the distributor is clocked in the wrong mounting holes (the other set of holes rotates it down and away from the hood). Not that it matters as I imagine you'll run a dizzy-less ignition?
Cheers!
nick
_________________
1980 931S
15psi boost, MS-II, EDIS, 951 IC, custom intake, Ford 5.0L throttle body, Forge BOV, WB o2, G31 w/LSD, 964 wheels, 968 rear sway, Bilsteins, 200# Welt. springs. A laptop, and a partridge in a pear tree.
1991 964 C4 Cabriolet |
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PwrGTOGuy
Joined: 23 Jun 2007
Posts: 194
Location: Middletown, PA
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| Posted: Sun Jul 22, 2007 12:19 pm Post subject: |
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| -nick wrote: | Welcome to the 931 MegaSquirt Club! I think you make member #2
Have any fun plans? Or just ditching the CIS for the obvious reasons?
Aside from the bad re-paint, it looks pretty solid. Even with 7? 8? inch rear wheels? It looks like the distributor is clocked in the wrong mounting holes (the other set of holes rotates it down and away from the hood). Not that it matters as I imagine you'll run a dizzy-less ignition?
Cheers!
nick |
Well,
I'm going to start with pulling the motor and freshening it up a bit... Complete EFI conversion w/ Ford EDIS ignition... I have aquired all of the parts already for the conversion, except for the TPS... i'm not sure if i'm going to run w/ a stock tb or not...
I also haven't decided if i'm going to keep the factory turbo or build a new manifold and run a different one...
I have some green tops that I plan on running to make sure that everything is working ok until I figure out what exactly i'm going to do about boost, turbo, ect.
Since the interior is so messed, i'm not sure what i'm going to do go w/ a factory install again or perhaps some nice recaro seats...
Big plans, lot too do... I'm thinking a good 12 - 18lbs of boost.
I have already hooked the megasquirt up to my laptop w/ the stimulator... pretty cool stuff...
How long did it take you to tune it? |
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endwrench
Joined: 07 Dec 2002
Posts: 1631
Location: Victor, Montana
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| Posted: Sun Jul 22, 2007 1:19 pm Post subject: |
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It only took nick 3 sets of pistons, 2 cylinder heads and of coarse that partridge thing......
Todd
_________________
'79 924NA. Rebuilt 9.5:1, MSDS header, Mega Squirt Injection, MJLJ-EDIS Ignition, 1.6L Whipple Charger and Intercooler, 10lbs Boost, 944 Trans, Custom HD Clutch.
"simsport" said....superchargers are better than turbos its official!.... |
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924RACR
Joined: 29 Jul 2001
Posts: 9138
Location: Royal Oak, MI, USA
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| Posted: Sun Jul 22, 2007 10:26 pm Post subject: |
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I look forward to joining this party with my '82 931... but it's been on hold for a while as I go racing, and try to find room to work on the poor car... as I also have a full GTR bodykit for it, 951 IC, etc. I'm aiming for about the same boost range as GTO, possibly as high as 20 if I can get there...
_________________
Vaughan Scott
Webmeister
'79 924 #77 SCCA H Prod racecar
'82 931 Plat. Silver
#25 Hidari Firefly P2 sports prototype |
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924guy
Joined: 29 Dec 2003
Posts: 2088
Location: Port St. Lucie, FL
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| Posted: Mon Jul 23, 2007 12:47 am Post subject: |
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its easy to get the boost way up, the hard part is getting everything else to stay together whilst doing so..
this looks like a nice project, i look forward to watching the progress, please keep us posted.
_________________
Eric
78 924
82 931 SE "smokey"
99' VehiCross
Y2K Honda Insight
http://www.cardomain.com/id/924Guy
Performance by Pasha |
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macBdog
Joined: 16 Aug 2004
Posts: 1111
Location: Brisbane, Australia
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| Posted: Mon Jul 23, 2007 10:18 am Post subject: |
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Let me know how you go with tuning your MS. I am going through the process now and would be happy to share datalogs, VE tables, knowledge, whatever.
_________________
1979 931 with a 350 chev
1973 911E with EFI
| p-talk wrote: | | I'm still convinced the word 'Porsche' makes people crazy in all kinds of ways |
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-nick
Joined: 16 Nov 2002
Posts: 2699
Location: Cambridge, MA
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| Posted: Tue Jul 24, 2007 2:48 am Post subject: |
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^ ditto on the datalogs and settings from here too!
And Todd, make that 5 sets... sigh.
_________________
1980 931S
15psi boost, MS-II, EDIS, 951 IC, custom intake, Ford 5.0L throttle body, Forge BOV, WB o2, G31 w/LSD, 964 wheels, 968 rear sway, Bilsteins, 200# Welt. springs. A laptop, and a partridge in a pear tree.
1991 964 C4 Cabriolet |
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