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Posted

Well after sending the inlaws home I managed to spend a very messy afternoon stripping and servicing the oil tank. It was a very dirty job. Looks like all the hoses on the tank need replacing. Thank feck I had the map gas to deal with the very corroded swaged nut ends on the tank. After much cleaning and rinsing with unleaded wire brushing and sanding finally got to this stage and called it a day. Glad to have got this bit of the job out the way.

 

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Posted

Cheers George , thanks for the encouragement. It's not my first experience of doing this but each time you think.. Well that might be ok you get it out or move something and then you've gotta fix it. So far the Thermostat and the oil lines have been unintentional losses.

Posted

Very interested to see how the new turbo and cams perform - now I've sorted out my 930, I need to save up for both, but only if it's worth it!

Posted

The turbo charger k27 is just over a grand new and the sc cams are the same as 3.2 ones so just wait around till a decent at come up Jim. The cams need a block added to them to run the turbo scavenger pump. I toying with the idea of headers at the min but just getting the basics out the way. There are modern ceramic ball bearing turbos available that are very expensive and perform better ie less lag but I'm keeping it as an SE was fro me at least.

Posted

I have a good used thermostat on the shelf if you're interested. I assume they are the same on all the cars.

 

Nice work, oil tank and lines is a good mission for sure.

Posted

Yes please Les. Kicking myself for not applying loads of heat before getting the stilsons and spanner on it but was worried about how the ally would react to the 3k celsius on the steel nut. In retrospect I think it would have probably dissipated it but I suppose you dont know till you try. The thermostat is toast now so will give it a go on the long oil pipe lines side.

Posted

Kicking myself for not applying loads of heat before getting the stilsons and spanner on it but was worried about how the ally would react to the 3k celsius on the steel nut. In retrospect I think it would have probably dissipated it but I suppose you dont know till you try. The thermostat is toast now so will give it a go on the long oil pipe lines side.

Getting the pipes off all depends on how lucky you are on the day.

I have managed to get some apart but also had some where the ali threads from the 'stat end up welded inside the nuts.

Posted

That's what I was afraid of TB but like you say it's about the luck on the day. That's why quite often these jobs are never attended to until it's absolutely necessary. Oil lines been on nearly 30 years now I can't really be too pissed.

  • 1 month later...
Posted

Hello ladies and gents, just an update. This is turning into a mini rest. I was not completely happy with the pain finish so have begun rubbing and flat tin the body work down for a respray to do do the car justice. Have had a good hunt around for corrosion and despite my best efforts have only found a bodged repair to the front drivers side fender. I've cut out the fill and will be repairing the wing properly.

 

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The thermostat that I destroyed on removal has now been replaced.

 

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oil tank has been refurbished new oil lines.

 

 

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Installed tank and lines

 

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Sound pad was looking crummy so removed and installed a new one from appbiz

 

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drive shafts have been refurbished with new boots. Put a new earth strap on for the transmission. Installed new rear Bilstien shocked and stainless heater boxes.

 

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Busy refurbish the heads. Need to ream bad press the old valve guides out tomorrow

Posted

Spent today sorting all the bits ready to assemble.

 

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I've cheated a bit as the heat exchangers and waste gate were pretty muller ed so to go with the new k27 turbo will be these fab speed headers which are just beautiful and so light. I'm waiting on a 46mm Tial waste gate to finish things off.

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Serviced the oil scavenger pump today.

 

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Posted

Dave

 

Well done - some real hard work gone into this. Looks to me that are now at the fun stage of bolting all those shiney bits together! Good luck and keep the photos coming.

Posted

Speedy work dude - yr tearing through this one too! Can I see a re-plated part rubber hose in one of the boxes - didnt realise this was possible?

Posted
Can I see a re-plated part rubber hose in one of the boxes - didnt realise this was possible?

 

The plating process doesn't harm the rubber so you can replate parts such as oil and fuel hoses.

 

HOWEVER

 

It is important to check that the crimped joints are still tight afterwards, I have had parts returned where the joints have loosened.

Posted

The plating process doesn't harm the rubber so you can replate parts such as oil and fuel hoses.

 

HOWEVER

 

It is important to check that the crimped joints are still tight afterwards, I have had parts returned where the joints have loosened.

Cheers jon, i shall do some reading about the process i always thought it was metal only.

Posted

Had all my hoses replated . Something do with the passivation process that allows them to do this without do solving the rubber but it works as I've had previous ones done with no problems. As it happens on this the scavenger hose for the turbo from the tank was replated but then I had a new hose and elbow swaged in. It's a bit like the hydrogen embrittlement argument. In high tensile aplications it's been argued that it can lead to shearing of bolts but the company that does my stuff has never seen it except in things like sprung steel. Springs sprung washers etc.

Posted

Was up at Rsr using Russell jig and special tools to build the heads yesterday.

 

Pressing the new guides in. The proper way is to ream them flush and then drive them out. Replacing the guides uses a set of spacers and driven in under a certain tonnage determines if you need oversized ones. Mine went in at the right spec so standard guides required. You then put a valve in hold up to the light and check to see the valve is seated and no light peering through. That way you know the guide has gone in square.

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Checking the spring tension which is slightly different for the sc cams. These are set by using the shims underneath the retainer seat. 34.5 for schools and 3.2 cams.

 

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Then lapped the heads and valves in assembled the heads

 

 

20150220_174637_zps805cd0f6.jpg Will put it together on monday hopefully.

Posted

Did a couple of fill in jobs today.

 

Refurbished the rear lights and housings. So much crud and corrosion on them. Thankfully the backing plate screws came out and was able to properly separate and clean them up properly.

 

Seems strange how the housings were made of a mix of metals begging to rust in the worst place.

 

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refurbished alternator into housing ready to install.

 

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hoping to have a long block by cop tomorrow

Posted

Truly inspirational stuff Dave - now you've added paint to your increasingly un-mini mini resto when do you reckon she'll be back on the road?

Would love to see/hear her once she's back together; I have dansk headers but a fabspeed dual outlet backbox and the build quality and sound are excellent.

Posted (edited)

Cheers Jim was really pleased when the fabspeed stuff came was just excellent quality albeit expensive. I assembled everything on Monday and tuesday the engine is now a long block. Had the confidence this time round to do the cam timing myself under the supervision of Russel Lewis. Its easier when you break it down and ive got a much better technical understanding of things thanks to his tuition of all the finer details of building 911 engines.

 

Im away at work until the end of March so nothing further to show until I get back. Hoping to have it back on the road mid April. fingers crossed.

Edited by daveuxb
  • 4 weeks later...
Posted (edited)

Cheers John, this engine has been another learning curve. There's no surprise why it was so expensive for a turbo back in the day. There is little difference in the long block engine from most 911s but the fueling, turbo and all the ancillary bumf is just incredible.

 

Right, I've managed to finish the top end rebuild and am busy assembling the external ancillaries turbo etc. here's a few photos.

 

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Edited by daveuxb
Posted

News studs an the heads are lapped ready to be assembled. I'll save you the usual but suffice to say the engine is rebuilt as per many of the other build threads. Only difference is the pistons are flat not domed. The real differences are in the ancillaries

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The cams need to be machined with a block to run the oil scavenger pump.

 

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