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AnsweredHot!944 Turbo S Engine Rebuild Thread

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Eldavo
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Re: 944 Turbo S Engine Rebuild Thread 2021/12/23 10:59:07 (permalink)
Not sure I’ll be out hunting M-cars in it, most of my quick runs out are when there’s no-one else around 

Current:
1988 944 Turbo S (not exactly standard)
Past:
2002 996 3.6 C2
2006 987 Boxster 2.7
1988 944 2.7
Dan944t
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Re: 944 Turbo S Engine Rebuild Thread 2021/12/23 11:44:12 (permalink)
i never hunt but they seem to like to hunt me! and i just can’t help myself 

current porsches :
1987 944 Turbo ( modified)
1986 944 Lux (my very first car at 17 years old)
last of the 986 S 3.2 speacial edition
Eldavo
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Re: 944 Turbo S Engine Rebuild Thread 2022/02/08 13:40:20 (permalink) ☄ Helpfulby 944Turbo 2022/02/08 13:46:33
Note to self, next time you build hoses don’t spend £80 on fittings and £20 on hose. Hose was crap and the rubber had split where the fitting went through, there is a reason the proper Aeroquip stuff is £15-20 a metre. 


Wanted the car back and sorted so paid a local place to make me some hoses up and it cost the same as it would’ve done if I’d DIY-ed them properly in the first place. But with braided hose, crimped ends, pressure tested and warrantied all for just under £150 and turned round in a day!
 
 
 
 

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Current:
1988 944 Turbo S (not exactly standard)
Past:
2002 996 3.6 C2
2006 987 Boxster 2.7
1988 944 2.7
Eldavo
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Re: 944 Turbo S Engine Rebuild Thread 2022/02/08 13:42:25 (permalink) ☄ Helpfulby 944Turbo 2022/02/08 13:46:29
As I didn’t want them sawing through anything with the vibrations over time I wrapped them in some heavy duty self-amalgamating tape anywhere they could contact anything else and tied them out of the way. 

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Current:
1988 944 Turbo S (not exactly standard)
Past:
2002 996 3.6 C2
2006 987 Boxster 2.7
1988 944 2.7
blade7
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Re: 944 Turbo S Engine Rebuild Thread 2022/02/08 17:21:44 (permalink)
TBF Baz's first 3.0 had a standard turbo and probably quite conservative on the comp ratio too. What he planned afterwards  probably has the potential to be a monster engine now.
Eldavo
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Re: 944 Turbo S Engine Rebuild Thread 2022/02/18 21:42:05 (permalink)
The previous owner of my car removed all the aircon system and lines - cutting them off just after they came out of the bulkhead 


While I had the engine out I replaced all the lines with the correct new seals, compressor, receiver drier etc. but never got around to sorting it out. 


Tried to pull a vacuum last week to no avail, got the nitrogen bottle on it and found a pinhole on the bottom of one of the hardpipes on the condenser. Toyed with attempting to braze it up but the condenser wasn’t in the best shape so have a new one on its way. 


I‘ve got every faith that all this will do is lead me along to the next failure point - that’s the 944 way 

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Current:
1988 944 Turbo S (not exactly standard)
Past:
2002 996 3.6 C2
2006 987 Boxster 2.7
1988 944 2.7
Eldavo
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Re: 944 Turbo S Engine Rebuild Thread 2022/02/21 11:21:59 (permalink)
Am not liking the look of the compressor . . . there’s UV dye around the edges of the clutch pack so looking into how viable a rebuild is vs just buying a new one.

Current:
1988 944 Turbo S (not exactly standard)
Past:
2002 996 3.6 C2
2006 987 Boxster 2.7
1988 944 2.7
scam75
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Re: 944 Turbo S Engine Rebuild Thread 2022/02/21 14:40:37 (permalink)
I've been down this road. I killed a perfectly good AC pump's nose seal due to an overtightened drive belt . Got a remanufactured one for about £350 and it's been all good since. I've also been through 2 condensers as they are positioned to get smashed by everything you drive over. I found the weak point to be be the inlet, which is where my 2nd one failed, so this time I've given that area a good coat of underseal. It's not given me a problem since I changed it 8 months ago, although 6 of those months the car has sat without an engine......
 
Stuart

'90 944 Turbo - Sunroof delete, Factory bridge spoiler, CS wheels, CS steering wheel, 1st MY90 turbo in UK
Promax L2 chips, SciVision MAF, Lindsey DPW, MBC, Forge recirc valve, 3 bar FPR, K&N panel, GAZ Gold, wideband AFR, Sytec Motorsport Fuel Pump.
Eldavo
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Re: 944 Turbo S Engine Rebuild Thread 2022/05/05 23:38:11 (permalink)
Eldavo
Am not liking the look of the compressor . . . there’s UV dye around the edges of the clutch pack so looking into how viable a rebuild is vs just buying a new one.



I knew it was only a matter of time! Either that or I ran over Slimer from Ghostbusters last time I was out.

Attached Image(s)


Current:
1988 944 Turbo S (not exactly standard)
Past:
2002 996 3.6 C2
2006 987 Boxster 2.7
1988 944 2.7
Eldavo
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Re: 944 Turbo S Engine Rebuild Thread 2022/05/05 23:43:39 (permalink)
Without bad luck I’d have no luck at all - one of my oil hoses started leaking. Looks like nothing but was dripping down into the airflow so a lovely puddle in the undertray and splitter and some free rustproofing for the driver’s side floor pan too. 
 
Took it back and it was replaced the same day - back on and car is continent  again (for now at least - will keep an eye on the other 2). 

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Current:
1988 944 Turbo S (not exactly standard)
Past:
2002 996 3.6 C2
2006 987 Boxster 2.7
1988 944 2.7
Eldavo
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Re: 944 Turbo S Engine Rebuild Thread 2022/05/05 23:50:14 (permalink)

Also, hired a van over Easter and drove down to Southampton from Newcastle upon Tyne. 


Managed to fit loads in the back of it 
post edited by Eldavo - 2022/05/05 23:55:33

Attached Image(s)


Current:
1988 944 Turbo S (not exactly standard)
Past:
2002 996 3.6 C2
2006 987 Boxster 2.7
1988 944 2.7
Eldavo
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Re: 944 Turbo S Engine Rebuild Thread 2022/05/14 11:30:25 (permalink)
This was the reason for my trip, a “spare” 3.0 16v Turbo engine that a member on here and Tipec had built up. 


I guess we have different ideas of what constitutes a lockdown project - I painted the fence!
 
Sleeved block, forged and lightened internals, many new and refurbished parts - need to form a plan of attack. 
 

Attached Image(s)


Current:
1988 944 Turbo S (not exactly standard)
Past:
2002 996 3.6 C2
2006 987 Boxster 2.7
1988 944 2.7
Eldavo
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Re: 944 Turbo S Engine Rebuild Thread 2022/05/14 11:33:19 (permalink)

 
 Safely installed onto the stand back at mine with the help of my mate Claude - even he’s like Why???
post edited by Eldavo - 2022/05/14 11:43:54

Attached Image(s)


Current:
1988 944 Turbo S (not exactly standard)
Past:
2002 996 3.6 C2
2006 987 Boxster 2.7
1988 944 2.7
Eldavo
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Re: 944 Turbo S Engine Rebuild Thread 2022/05/14 11:48:58 (permalink)
Balance Shafts had been deleted on the engine but I wanted to reinstate them so first port of call was to assess the viability of doing this.
 
I had a set of shafts and 2 vapour blasted front housing mounts (as the ones on the engine had been welded up) but first needed to get inside the main housings. The oil feeds had been tapped and blocked with grub screws - if these weren’t coming out then it was a no go. Luckily, once the thread lock gave way with a reassuring click then they came out no bother so the next step was to put in a big parts order from OPC.
post edited by Eldavo - 2022/05/14 11:51:23

Attached Image(s)


Current:
1988 944 Turbo S (not exactly standard)
Past:
2002 996 3.6 C2
2006 987 Boxster 2.7
1988 944 2.7
Eldavo
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Re: 944 Turbo S Engine Rebuild Thread 2022/05/14 11:54:48 (permalink)
Also needed the upper balance shaft cover drilling and threading for the turbo oil feed - most people take a feed from the oil sender so as not to disturb the housings, but as they were off anyway it made sense to do it the factory way. Took the parts along to a local engineering place I use and got him to press out the old balance shaft front bushings and put the new ones in too. If anyone is attempting this job in the future - he knocked up a little tool from bar stock to do this cleanly, would be happy to pay it forward!
post edited by Eldavo - 2022/05/14 11:57:42

Attached Image(s)


Current:
1988 944 Turbo S (not exactly standard)
Past:
2002 996 3.6 C2
2006 987 Boxster 2.7
1988 944 2.7
blade7
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Re: 944 Turbo S Engine Rebuild Thread 2022/05/16 20:06:06 (permalink)
Did Simon let you have the inlet manifold and turbo?
Eldavo
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Re: 944 Turbo S Engine Rebuild Thread 2022/05/17 00:15:04 (permalink)
blade7
Did Simon let you have the inlet manifold and turbo?



I got an S2 manifold to chop the runners off and I got a turbo and some other parts separately too. 
 
Plans are afoot . . . 

Current:
1988 944 Turbo S (not exactly standard)
Past:
2002 996 3.6 C2
2006 987 Boxster 2.7
1988 944 2.7
blade7
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Re: 944 Turbo S Engine Rebuild Thread 2022/05/17 00:38:51 (permalink)
I've just bought a 16v turbo. It came with a 7 sp DSG and 4Drive though...
Waylander
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Re: 944 Turbo S Engine Rebuild Thread 2022/05/19 13:18:32 (permalink)
that will fit in the 944, 7 speed, dsg nice, not sure how the 4wd will pan out though
 

1992 Cobalt Blue 968 Coupe
1986 VF1000F2 Silver
blade7
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Re: 944 Turbo S Engine Rebuild Thread 2022/05/19 22:16:15 (permalink)
Waylander
that will fit in the 944, 7 speed, dsg nice, not sure how the 4wd will pan out though
 

 
, the 944 will be staying with the number of gears and valves that Porsche intended.
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