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 Post subject: Re: What did you do to your 924/944/968 today?
PostPosted: Sun May 31, 2020 1:31 pm 
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Endoman wrote:
Injectors under test cycle after ultrasonic cleaning.


Have you/can you do your 993 injectors in it?...................................not giving away any clues to where this conversations going 8)


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 Post subject: Re: What did you do to your 924/944/968 today?
PostPosted: Sun May 31, 2020 3:52 pm 
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Waylander wrote:
I think by the time freedom is back with us again, lockdown boredom will be a very over used excuse

Says he hiding the 1980 CB900F that’s on its way


40 years ago I used to hunt those down on my Z1B 900 Kwack :) .


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 Post subject: Re: What did you do to your 924/944/968 today?
PostPosted: Sun May 31, 2020 6:40 pm 
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One of my fav bikes around that time was the GPZ550, not a huge engine or massively fast, but handled so well, the H2 was a different story altogether

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1985 Honda VF1000 F2 Bol D'or In Silver
2013 A4 177 TDI Quattro Ibis White
2013 Volvo XC60 D5 brilliant car


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 Post subject: Re: What did you do to your 924/944/968 today?
PostPosted: Sun May 31, 2020 6:58 pm 
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Had a blast through the Sussex & Kent Countryside yesterday.. Pitstop at Paragon for some Pork Perving..


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 Post subject: Re: What did you do to your 924/944/968 today?
PostPosted: Sun May 31, 2020 7:50 pm 
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Waylander wrote:
One of my fav bikes around that time was the GPZ550, not a huge engine or massively fast, but handled so well, the H2 was a different story altogether


A few years later I had a 84 GPZ 900. Seriously fast in it's day, and had the chassis to back it up.


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 Post subject: Re: What did you do to your 924/944/968 today?
PostPosted: Sun May 31, 2020 10:41 pm 
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Progress has been seriously hampered in recent weeks as anything coming by Royal Mail has bee significantly delayed. However, yesterday a bumper delivery of around 16 packages materialised - not all mine I hasten to add, meant that some progress could at last be made. So today, the rigid coolant pipe, fresh from being painted and the associated new silicon coolant hoses could finally be fitted as the missing hose clamps had finally arrived.
The dipstick tube was also bolted back into place and the brake master cylinder was removed and given a thorough clean. The brake booster/ servo is next on the list for attention but the passenger seat is going to have to come out tomorrow to give me better access to the retaining bolts and Clevis pin so I can get it out.
I also started prepping another set of struts for a B6 conversion, cutting them to length cleaning them up with the wire wheel and applying some hydrate 80. I’ll carry on with those tomorrow once I’ve got the seat out and am fed up of working upside down :roll:


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 Post subject: Re: What did you do to your 924/944/968 today?
PostPosted: Sun May 31, 2020 10:50 pm 
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51rider wrote:
Progress has been seriously hampered in recent weeks as anything coming by Royal Mail has bee significantly delayed. However, yesterday a bumper delivery of around 16 packages materialised - not all mine I hasten to add, meant that some progress could at last be made. So today, the rigid coolant pipe, fresh from being painted and the associated new silicon coolant hoses could finally be fitted as the missing hose clamps had finally arrived.
The dipstick tube was also bolted back into place and the brake master cylinder was removed and given a thorough clean. The brake booster/ servo is next on the list for attention but the passenger seat is going to have to come out tomorrow to give me better access to the retaining bolts and Clevis pin so I can get it out.
I also started prepping another set of struts for a B6 conversion, cutting them to length cleaning them up with the wire wheel and applying some hydrate 80. I’ll carry on with those tomorrow once I’ve got the seat out and am fed up of working upside down :roll:


Some progress at least. Unlike me.

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 Post subject: Re: What did you do to your 924/944/968 today?
PostPosted: Sun May 31, 2020 10:58 pm 
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kingroon wrote:
Had a blast through the Sussex & Kent Countryside yesterday.. Pitstop at Paragon for some Pork Perving..


Is that an official sport ?

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1985 Honda VF1000 F2 Bol D'or In Silver
2013 A4 177 TDI Quattro Ibis White
2013 Volvo XC60 D5 brilliant car


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 Post subject: Re: What did you do to your 924/944/968 today?
PostPosted: Mon Jun 01, 2020 9:04 am 
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Waylander wrote:
kingroon wrote:
Had a blast through the Sussex & Kent Countryside yesterday.. Pitstop at Paragon for some Pork Perving..

Is that an official sport ?

That is what it says on the Rear of the Car, so yes.. :lol:

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 Post subject: Re: What did you do to your 924/944/968 today?
PostPosted: Mon Jun 01, 2020 9:46 am 
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kingroon wrote:
Waylander wrote:
kingroon wrote:
Had a blast through the Sussex & Kent Countryside yesterday.. Pitstop at Paragon for some Pork Perving..

Is that an official sport ?

That is what it says on the Rear of the Car, so yes.. :lol:


:lol: :lol: :roll:

I ment the "Pitstop at Paragon for some Pork Perving.." is this now the official term for licking the windows of you local Porsche Delership

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 Post subject: Re: What did you do to your 924/944/968 today?
PostPosted: Mon Jun 01, 2020 10:03 am 
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Waylander wrote:
I ment the "Pitstop at Paragon for some Pork Perving.." is this now the official term for licking the windows of you local Porsche Delership

Yes..! And it's a perfectly acceptable pastime when you're looking at these.. :lol:


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 Post subject: Re: What did you do to your 924/944/968 today?
PostPosted: Mon Jun 01, 2020 4:07 pm 
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Ran a second set of injectors through the machine. Doing some before and after comparisons.
The main improvement was, unsurpisingly, pulling the filters, about 5%. Ultrasonoc cleaning and back flushing gave small improvements about 1% each.
Running with the pintel caps gave a broader spray pattern than without.
The first set all match and will go back in the car, they are the originals from when I got the car.
The second set I got cheap and had them professionally cleaned. I ran them for a year or so but the engine had an occasional stutter on part throttle. One injector gave 10% less than the average of the other 3, it's improved but still about 3% behind and it leaks.
So if you've had the same injectors from new and never been out I would recommend changeing the small basket filters at least. Sevice kits are fairly cheap.
It's an easy diy but be carful not to catch the pintels and usual inflammable precautions.

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Porsche 993 Coupe Guards Red
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 Post subject: Re: What did you do to your 924/944/968 today?
PostPosted: Mon Jun 01, 2020 10:05 pm 
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Unsurprisingly, today did not go to plan :(
I did get the struts all rubbed down and a decent coating of weld through zinc primer applied to both. I did get the passenger seat unbolted and managed, with help from a rather more flexible house elf, to get the brake booster unbolted too. However it was at that point that defeat was snatched from the jaws of victory as no matter what I did, I could not get the damn thing out of the engine bay :evil:
Rather unhelpfully google searches have turned up references to making up some kind of tool and clamping the piston in place which is not mentioned at all in the Pelican how to guide :evil: The other helpful snippet is that doing this job when the engine is out appears to be the other favoured modus operandi :roll:
I think I may end up having to remove the inlet manifold to give me sufficient space to remove the booster, which is something I really was hoping not to have to do :(


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 Post subject: Re: What did you do to your 924/944/968 today?
PostPosted: Wed Jun 03, 2020 12:48 am 
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sam wrote:
Endoman wrote:
Injectors under test cycle after ultrasonic cleaning.


Have you/can you do your 993 injectors in it?...................................not giving away any clues to where this conversations going 8)

Indeed I can they are next on the list. Different flow rates and high resistance types like late S2s and 968s.
New 993 injectors are in the region of £250 each and mine have done 174,000 miles so nothing to loose. Although the 993 runs really well, I have an AFR gauge fitted and it runs slightly lean on idle and part throttle. Not dangerously lean but not optimum and conversly consumption is a bit high (odd I know). I converted the inlet to a Vram manifold and changed the ecu but haven;t got round to getting it to Wayne Schofield for fine tuning. The Non-Vram and Vram use the same injectors but the Vram has slighly larger valves. I'm not interested in ulimate bhp figures but love the big boost to mid-range torque, with a LWF and 300 lbs less weight the acceleration is pretty good.
I'm not a big fan of rolling roads having had an MGA Twin-Cam break it's crank on one just before a race at Zandvoort, had to take my spare car. Those were the days that car was ex-1958 competition car and cost me £45 it was for sale in Germany a while ago for 30,000 Euro.
Dropped the gearbox on the 944 not a lot of room to maneuver and a dirty job. The trickiest bit was the selector rod guide tube. manual says use a long screwdiver but I could work out how. It seperated as the box dropped anyway now I can see how to do it.
The only part of the box that need replacement was the speedometer drive gear, the lugs on it were pretty worn. All oil seals were replaced, hub seals cheap, selector rod and driveshaft seals bloody expensive.

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Porsche 993 Coupe Guards Red
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 Post subject: Re: What did you do to your 924/944/968 today?
PostPosted: Wed Jun 03, 2020 8:22 am 
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I would have a search around, for the 993 injectors, they are made by Bosch and they have a Bosch number then I would think you could find those for less

The 968 injectors are £468 each from Porsche but you can use Volvo V50 ones for about 80 quid a set of 4

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1985 Honda VF1000 F2 Bol D'or In Silver
2013 A4 177 TDI Quattro Ibis White
2013 Volvo XC60 D5 brilliant car


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