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Nice car Cowtown...

It is hard to let go of the some of the things offered-up in the 80's.. and early 90's!

The sexy hips of a Turbo and the intoxicating boost are hard to forget..

P-
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So many cars..so little time!!
Old 11-06-2007, 07:44 AM
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I was reading another post by a new member and his new 930...I will have similar questions I am sure as I get to know the car but my first one is the Druck Pressure Gauge...what is the acceptable range when the car is up to temp?
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2002 996TT
1984 930 Turbo (gone and missed)
Old 11-07-2007, 06:36 AM
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Roughly 1 bar for every 1K rpm. eg 1bar at idle, 3bar at 3K rpm. Oil pressure is limited to 5bar.
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1981 UK 930. G50/01 shortened, 964 3.8RS Fibreglass Body Kit, 18" Alloys 8.5" F & 10" R, 225's F & 285's R, Special Colour Metallic Blue Paint, FIA Sparco Evo's, A/C and Air Pump removed, Electronic Boost Controller, GHL Headers, Tial46 WG.
Fitting - New service kit.
Needs Fitting - Innovate XD-16 Kit, Kokeln IC. Stephen's K27 HFS, EVO Intake Assy & his Modded USA Fuel Head.

1983 UK 911 3.2 Carrera Sport Coupe. Black, Black Leather with Red Piping, Black Alloy Gear Knob, K&N Air Filter Element, Turbo Tie rods.
Needs Fitting - K&N CO Sensor, Round A/F Dial Gauge, Factory Short Shift Kit.

http://www.danasoft.com/sig/Iamnotanumber.jpg
Old 11-07-2007, 11:00 AM
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Quote:
Originally Posted by NathanUK View Post
Roughly 1 bar for every 1K rpm. eg 1bar at idle, 3bar at 3K rpm. Oil pressure is limited to 5bar.
My gauge is calibrated in PSI, and I see 100 PSI indicated on initial start @ 2000 RPM, maybe 110 with a little more throttle, before the internal engine thermostat opens. No pressure limiting happens before that, definately. That's way more than 5 bar (aka 73.5 PSI) - and the gauge is calibrated higher than that.

When hot, I see maybe 20-25 PSI @ idle and maybe 60-65 PSI @ 3500-4,000, higher with more revs. That's with 5,000 miles on a rebuilt bottom-end.

1 bar at idle and 1 bar per 1,000 RPM is factory minimum spec, I believe.
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'77 S with '78 930 power and a few other things.
Old 11-07-2007, 01:31 PM
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You know when you scratch a dog in that right place and their leg starts going? That's how this car makes me feel.

*drool*
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3.2 targa

Last edited by Seric; 11-07-2007 at 02:38 PM.. Reason: *and
Old 11-07-2007, 02:37 PM
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IT's finally Here!!! Now I have questions!...I let the car warm to temp and the Druck sat around 1..the oil gauge, beside the fuel gauge read about half to 3/4. Once I drove the car the druck went up with the RPM but the oil gauge actually went down to the red...once the car was stopped it regained to 1/2-3/4 reading...WHAT'S up?
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2002 996TT
1984 930 Turbo (gone and missed)
Old 11-07-2007, 05:42 PM
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Off the truck...

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2002 996TT
1984 930 Turbo (gone and missed)
Old 11-07-2007, 06:01 PM
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Did you get an owners manual? It covers many of the basic items like oil level.
Old 11-07-2007, 06:06 PM
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Being a Euro 930 the manual is in German...so not a lot of help...I realize the Oil level gauge like any other car should be at a relative constant. Just weird how it dives and then regains while the car is at idle.
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2002 996TT
1984 930 Turbo (gone and missed)
Old 11-07-2007, 06:11 PM
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In the engine bay on the right side is the oil filler cap. Remove the cap and look inside for the dipstick. (Note the small tube which captures the dipstick so it won't fall into the tank) Check the oil level with the engine idling, the car must be on level ground, and the engine and must be fully warm.

The oil level gauge on your dash sees fluctuations in the reservoir where the dipstick is.

Last edited by Jim2; 11-07-2007 at 07:56 PM..
Old 11-07-2007, 07:54 PM
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Those observations of your gauges are perfectly normal Cowtown.

Spuggy, you know I nearly added that my car well exceeds those figures I quoted but as it might depend on what oil people are using I didn't bother.
I have no idea what oil was in my 930 when I bought it but as for my 911 I use the factory recommended Shell Helix. I think my 911 has only around 15K on a rebuild though.
So, the 5bar max I said, do you think it is the gauge in the car that only reads to 5bar rather than there being only 5bar?
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1981 UK 930. G50/01 shortened, 964 3.8RS Fibreglass Body Kit, 18" Alloys 8.5" F & 10" R, 225's F & 285's R, Special Colour Metallic Blue Paint, FIA Sparco Evo's, A/C and Air Pump removed, Electronic Boost Controller, GHL Headers, Tial46 WG.
Fitting - New service kit.
Needs Fitting - Innovate XD-16 Kit, Kokeln IC. Stephen's K27 HFS, EVO Intake Assy & his Modded USA Fuel Head.

1983 UK 911 3.2 Carrera Sport Coupe. Black, Black Leather with Red Piping, Black Alloy Gear Knob, K&N Air Filter Element, Turbo Tie rods.
Needs Fitting - K&N CO Sensor, Round A/F Dial Gauge, Factory Short Shift Kit.

http://www.danasoft.com/sig/Iamnotanumber.jpg
Old 11-08-2007, 10:19 AM
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Thanks for the help...it all makes sense now...just a little un-nerving looking down the first time and seeing the oil level almost in the red! I have to get an inspection to plate the vehicle so I will change the oil at the same time to be 100% on the levels.
I can guarantee I will be asking more questions...maybe about rear wheel bearings and how much play is too much.
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Old 11-08-2007, 05:04 PM
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Quote:
Originally Posted by NathanUK View Post
Spuggy, you know I nearly added that my car well exceeds those figures I quoted but as it might depend on what oil people are using I didn't bother.
Yeh, and condition. My 944 used to have a hot idle pressure of 2 bar on fresh oil - it'd drop to 1 bar after about 3-4000 miles. I'd start thinking about a change then...

Quote:
So, the 5bar max I said, do you think it is the gauge in the car that only reads to 5bar rather than there being only 5bar?
Thinking about it, I'm pretty sure that it's limited to 5 bar when the engine thermostat is open to protect any external cooler (can't see it mattering to a trombone, but a Carrera or FMOC is more delicate). The factory probably used a 5 bar gauge because there's a maximum of 90 seconds or so with the motor running before the internal thermostat opens.

My gauge actually goes to 140 PSI - PO advised me to not exceed 100 or so on initial startup to avoid over-pressurization - don't recall exactly what reason he cited, but I think it was regarding the engine oil cooler or the seals for it. Which seems to make perfect sense, so I've always stuck to it. As 2000 RPM within the period the internal thermo is shut == 100 PSI, this implies I do a fast idle for about a minute until the internal thermostat is open, before driving away. No biggie.
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Old 11-09-2007, 04:34 AM
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Nice car be good to it and comeover to the darkside
Old 12-09-2007, 03:35 PM
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Very nice and congrats!
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Old 12-09-2007, 03:59 PM
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SCHNELE,
It is tough to ignore the darkside. This forum seems to be all about that. The car is so original but the turbo lag is killing me. I will have to read more on this form to get a better understanding of what to change with what and when!
Thanks
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Old 12-10-2007, 03:13 PM
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