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equality72521's Avatar
 
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What is this?

I always thought it was an oil pump because of the oil lines to it but there is what appears to be a belt drive pulley inside it. What is this and how does it work? TIA

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Mark 1979 930 Euro ***GONE AND DON'T MISS IT AT ALL***

"Worrying about depreciation on your car and keeping mileage down is like not ****ing your girlfriend so her next boyfriend finds her more appealing"
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Old 11-25-2007, 07:43 AM
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Turbo sump pump,also drive for air pump.

Last edited by Turboo934; 11-25-2007 at 08:31 AM.. Reason: more info.
Old 11-25-2007, 08:28 AM
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Quote:
Originally Posted by Turboo934 View Post
Turbo sump pump
So what is the (apparently) belt drive pulley for?
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Mark 1979 930 Euro ***GONE AND DON'T MISS IT AT ALL***

"Worrying about depreciation on your car and keeping mileage down is like not ****ing your girlfriend so her next boyfriend finds her more appealing"
--clutch-monkey
Old 11-25-2007, 08:29 AM
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tHE AIR PUMP FOR THE AIR INJECTION.
Old 11-25-2007, 08:40 AM
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Air pump for air injection.
Old 11-25-2007, 08:42 AM
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Quote:
Originally Posted by 964 T #304 View Post
tHE AIR PUMP FOR THE AIR INJECTION.
Ok, so obviously the air pump is disconnected (never seen a pic of the air pump system). Does this piece (pulley) stay in? Is it part of the oil pump? Does anyone have a pic of the full system? I've got the engine pulled for a clean-up, seal and gasket replacement, and whatever else. If it can go it will. Thanks
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Mark 1979 930 Euro ***GONE AND DON'T MISS IT AT ALL***

"Worrying about depreciation on your car and keeping mileage down is like not ****ing your girlfriend so her next boyfriend finds her more appealing"
--clutch-monkey
Old 11-25-2007, 08:44 AM
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It needs to stay. the pulley is what is attached to the back of your cam, and drives the pump. The pump pulls oil out of your Turbo drip tank and sends it to the oil tank. Many believe it is a good idea to put an oil filter system between the pump and oil tank, b/c "coked" oil comes from the turbo and is not filtered. The end result being clogged cam tower oil passages.

I have never actually seen an air injection system on a car, mine was pulled way before I got my hands on it.
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Old 11-25-2007, 10:59 AM
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Thanks for the help.
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--clutch-monkey
Old 11-25-2007, 05:01 PM
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The air pump sat above the pulley and was driven buy a toothed flat belt. Mine will not be refitted... As stated the pulley has to stay.
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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 11-26-2007, 12:47 PM
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Mark,
You doing some Winter time tune up stuff?
Old 11-26-2007, 01:00 PM
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Quote:
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Mark,
You doing some Winter time tune up stuff?
Yep, got the engine pulled to fix all the oil leaks I showed you. I'll naturally have to do some painting while I'm in there to make it pretty. Also, my turbo is shot, about 1/16" play in the shaft so I'll be getting a K27 and possibly headers depending on how bad my exhaust system is. Will also put a Tial in but I'll have to stick with the stock intercooler for now. You know, money! Third gear is grinding on the tranny too if I'm not careful with the shift.
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Mark 1979 930 Euro ***GONE AND DON'T MISS IT AT ALL***

"Worrying about depreciation on your car and keeping mileage down is like not ****ing your girlfriend so her next boyfriend finds her more appealing"
--clutch-monkey
Old 11-26-2007, 01:47 PM
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It's all worth it though bro.. it's all worth it!
Old 11-26-2007, 01:55 PM
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Quote:
Originally Posted by NathanUK View Post
The air pump sat above the pulley and was driven buy a toothed flat belt. Mine will not be refitted... As stated the pulley has to stay.
So can the air pump and the belt going to the air pump go? I'm confused.

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Old 11-27-2007, 11:05 AM
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Quote:
Originally Posted by Ag02M5 View Post
So can the air pump and the belt going to the air pump go? I'm confused.


Correct.. "the air pump and the belt going to the air pump" can go! The pulley, connected to the oil pump "as pictured" must stay.

Back in the 90s, someone was offering a billet oil pump that was all the rage as a replacement pump for the original 930 piece "as pictured". It bolted right up and eliminated the pulley and was supposedly a Little lighter for all you diet concious types.

Can't really remember who was selling them though I sure I have it in some notes somewhere. Hmmmm, Windward Performance maybe?
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Old 11-27-2007, 11:58 AM
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Yep, belt & pump can go.
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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 11-27-2007, 01:46 PM
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Quote:
Originally Posted by NathanUK View Post
Yep, belt & pump can go.
Already gone. Just wanted to make sure I didn't fark something up.
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WTB: 964/965 Turbo stuff...carbon fibre bits, Techart wheel parts, RS/lightweight flywheel, 993 EVO uprights, G50 gears or 6 sp., 964 RSR swaybars, custom droplinks and any other cool stuff, pm me! Also a nice medium build 327 Chevy engine.

Coming SOME DAY...1991 3.3 turbo, Tahoe Blue Metallic with some mods
Old 11-27-2007, 01:47 PM
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