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 Post subject: Re: 944 S2 Repair
PostPosted: Sun Mar 11, 2018 6:27 pm 
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Joined: Sun Feb 24, 2008 8:16 pm
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I'd wrap the discharge pipe, and the AOS. Not unheard of for it to melt with single skin downpipes.


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 Post subject: Re: 944 S2 Repair
PostPosted: Mon Sep 17, 2018 8:03 pm 
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Unfortunatly been busy with work but hope to find more time soon . Vems looks like a very nice bit of kit with great support from Peep with all the little niggles you get . One issue I had which took a while to figure out was an arcing issue when trying to start the car causing the ecu to reset itself so unable to start . Like all good electrical problems this was intermittent . Found the cause to be that it was arcing from the cop to the cam cover . The rubber gasket is stopping a good earth with the cam cover . For the moment have just run a temporary earth which allows the car to start and run .
While trying to rectify this problem over a few weeks ,the rebuilt starter motor started complaining so have purchased a high torque motor from the states . Hopefully this will help turning over this larger capacity higher compression engine (9.5:1) .
And as for deja vu , here's a couple of pics of the next block with engine liners fitted . Gone for stepped liners this time . The pistons are some Arias 105mm 968 one's I have had machined down for an 8.5:1 cr as will be using a 2.7 head.


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 Post subject: Re: 944 S2 Repair
PostPosted: Tue Sep 18, 2018 12:49 pm 
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Joined: Wed Aug 19, 2009 1:44 pm
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Location: Glasgow
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Nice work Simon.

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'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.


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 Post subject: Re: 944 S2 Repair
PostPosted: Wed Sep 19, 2018 6:34 pm 
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Joined: Sat Dec 26, 2015 8:20 pm
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Location: Wellesbourne
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This is such an awesome thread hiding behind a really unassuming title. Excellent work here :)

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'85 Black 944 Lux (Square Dash, Sunroof Delete)
'09 Mazda 3 Sport, 185Ps, 400Nm (reliable)


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 Post subject: Re: 944 S2 Repair
PostPosted: Wed Sep 19, 2018 9:34 pm 
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Thanks for the comments .
I fitted that starter motor today and a big difference . Not in the speed of turning the engine over which remains the same just the ease it does it continually . Lots of space to fit this even able to keep one of the heat shields.
I must say noise of the Holset turbo is quite impressive if not a bit scary . Should be a mighty engine .


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 Post subject: Re: 944 S2 Repair
PostPosted: Thu Sep 20, 2018 11:49 am 
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Hello Simon, looks like you're using 2 lambda sensors, is one for Vems and the other for a separate AFR gauge?


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 Post subject: Re: 944 S2 Repair
PostPosted: Fri Sep 21, 2018 5:04 pm 
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Hi pauly , yes one for vems and one for the vems round gauge for AFR and EGT's .
You can see these on Vems Display but the round gauge was already fitted and a bit more discreet as well as allowing you to cross check numbers .


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 Post subject: Re: 944 S2 Repair
PostPosted: Fri Sep 21, 2018 6:28 pm 
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Hi Simon, reckon I'll keep my innovate AFR gauge too. Did you make the distributor blanking plate or buy that in?


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 Post subject: Re: 944 S2 Repair
PostPosted: Sun Nov 04, 2018 6:26 pm 
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Pauly I had the plate water cut .

Had an oil pressure issue which I knew had to be fixed but the thought of what was involved is depressing when you have just got it all together .

After discovering the low oil pressure and unable to remove the geared drive from the oil pump I knew the front of the engine had to come apart . Bought one of these engine support beams from machine mart which holds the engine nicely from the engine mounts allowing the the suspension, steering rack and sump to be removed .

I did not remove the crossover just dropped the sump to allow the oil pump to be removed . This showed the reason for the low oil pressure . The teeth on the internal drive are all rounded and the gaps in between enlarged . This was a brand new oil pump internal part when installed and can only guess the teeth were not engaged properly when the bolt was cranked up( yes bolt done up to correct torque) allowing them to slip . I bought a new drive gear from Porsche which has changed in design for the better . The teeth are engaged or not with no room for a cock up.

Still all back together apart from the belts to do , just getting it ready to send of for paint in three weeks time .


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 Post subject: Re: 944 S2 Repair
PostPosted: Mon Nov 05, 2018 12:34 am 
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Hello Simon,

Have you thought about knocking up a 3 piece X member, like Lindsey sell?


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