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924 Tubo upgrades?

 
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Lilracerdude  



Joined: 03 Jul 2017
Posts: 8
Location: New York

PostPosted: Mon Jul 03, 2017 8:26 am    Post subject: 924 Tubo upgrades? Reply with quote

Hi all, I just bought a 1980 Porsche 924 Turbo s1 and I would like to squeeze more power and improve overall handling. It already has a Limited Slip. This car is basically the total factory packaged car even with the funky White, Red paint combo, Though the previous owner painted the red to match the white.
https://mail.google.com/mail/u/0/?ui=2&ik=e861204173&view=fimg&th=15d052dbf2331e48&attid=0.1&disp=emb&realattid=15d052d2a66ce5507211&attbid=ANGjdJ_4PlfpGfkMfYhsTjyPIM1rgfNB2WBN3Jeu4cU0lD1_LC1Ofy9Jo13uNq6qD88Vwh6cU7X3HTNBpVa0Sh6esP_7kvv2CBuXcrJu27nRmVx_Lc-whrmKzA9IOz0&sz=s0-l75-ft&ats=1499030478217&rm=15d052dbf2331e48&zw&atsh=1

List of possible upgrades:
Atmospheric bypass valve-Which brand do you recommend?
Inter cooler-Has anyone have a list of what to buy to install a 944 Turbo one?
Waste Gate spring-Which should I use?
Any other upgrades do you recommend?
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ideola  



Joined: 01 Oct 2004
Posts: 15489
Location: Woodstock IL

PostPosted: Mon Jul 03, 2017 10:24 am    Post subject: Reply with quote

Recommended reading:
http://www.924board.org/viewtopic.php?t=25795

Recommended shopping:
http://garage.ideola.com/

Best bang for the buck upgrade on the S1 is one of my in-cockpit boost controllers and a water-meth injection kit (which I resell, but need to add to my site).

I also provide the only bolt-on intercoolers for the 931, but these will require upgrading your intake and throttle body to the S2. I have four spare setups on hand for any S1 owner interested in adding one of my intercoolers.
http://garage.ideola.com/prod-BoostSolutions.html
_________________
15 981 GTS | 88 924S SE | 82 931 Holbert | 82 931 Rallye | 81 937 | 81 Euro 931 | 81 Weissach | 80 US 928 | 80 US 931 '941' | 80 US 931 | 80 931 GTR | 79 Sebring | 78 D-Prod Replica | 78 w/D-Prod kit | 78 Poli-Form | 78 Limited Edition | 77 Martini
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CÚdric  



Joined: 27 Aug 2004
Posts: 1681
Location: Sweden

PostPosted: Mon Jul 03, 2017 5:25 pm    Post subject: Reply with quote

A good idea is to first identify your turbo on the little plate that sits on the compressor housing, so you know where you are starting.


Regarding IC, I went for a design similar to "FastEddie313" did here on this board, im in the process of clutch and turbo change, so engine is out, and IC on the way in. Progress can be followed in my thread if you are interested.

Here is a pic from Fasteddie313 thread, his links are all dead, so no pics there anymore.


My installation is a bit more "upmarket" though with new alu-pipes and silicon hoses, but it will probably work similarly anyway.
_________________
┤79 924
http://www.garaget.org/show.php?car=211
┤80 924 Turbo
http://www.garaget.org/?car=160275
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Carrera RSR  



Joined: 08 Jan 2010
Posts: 1533
Location: Somerset, UK

PostPosted: Tue Jul 04, 2017 3:39 am    Post subject: Re: 924 Tubo upgrades? Reply with quote

Lilracerdude wrote:

List of possible upgrades:
Atmospheric bypass valve-Which brand do you recommend? Only if the intake temps are intercooled or charge cooled
Inter cooler-Has anyone have a list of what to buy to install a 944 Turbo one? No list, just cut away, re welded and installed as we went along
Waste Gate spring-Which should I use? Don't need one with boost controller
Any other upgrades do you recommend? Your wallet, more dollars


Check which turbo you have
Check compression ratio and general engine wellness
More boost will give HG problems
More power will give cooling issues. Radiator and oil cooling need to be spot on
_________________
1980 931 - forged pistons, Piper cam, CGT turbo, 951 ducted FMIC, custom intake, Mittelmotor dizzy & cam pulley, H&S exhaust, GAZ Gold, Fuch'ed, Quaife LSD
Now www.924board.org/viewtopic.php?t=34690
Then www.924board.org/viewtopic.php?t=31252
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Fasteddie313  



Joined: 29 Sep 2013
Posts: 1489
Location: Not Detriot - NMI

PostPosted: Tue Jul 04, 2017 9:49 pm    Post subject: Reply with quote

CÚdric wrote:
A good idea is to first identify your turbo on the little plate that sits on the compressor housing, so you know where you are starting.


Regarding IC, I went for a design similar to "FastEddie313" did here on this board, im in the process of clutch and turbo change, so engine is out, and IC on the way in. Progress can be followed in my thread if you are interested.

Here is a pic from Fasteddie313 thread, his links are all dead, so no pics there anymore.


My installation is a bit more "upmarket" though with new alu-pipes and silicon hoses, but it will probably work similarly anyway.


Photo@$ckit killed all my pics ??
That's a damn shame, I had all sorts of crazy crap on here..

Maybe I'll be able to get around to fixing some of them some day, but I have basically no time anymore, working in the oilfield..

I've been thinking about hiring someone to do my megasquirt wiring for me so I can get the poor 931 back together.. I have all the pieces just chillin..

A nice little upper for you guys..
I just bought an M3 for a DD, the Porsche is definitely faster.. GF says the M is fast but the Porsche just sucks you into your seat

Even though my stuff is pretty much all chopped up schoolbus parts thanks for the recognition of my work..

All the pics are in here http://s1366.photobucket.com/user/edleclair/library/

Also here is the first of a 2 part video showing my ic routing n whatnot.. https://youtu.be/X2jbkENELMk
2... https://youtu.be/1wk3QW90cbM
_________________
1980 931S - LSD - FMIC - GTS fuel - hobby
95 M3 manual coupe - summer DD
06 X5 3.0 auto - winter DD
01 RS25 coupe - 90% Retired
06 MDX - bought for mom to DD
81 Rambler BBC 454
97 Tercel long retired/sitting
77 gs750 - 95 300ex - 89 blaster
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