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check ball for oil feed and the feed line with 3.2 intake?
What size check ball should I look for the turbo oil feed line? is it needed and what really is the reason? I have only ever used AN lines before with garret chassis turbos'. also with the 3.2 intake what routing do you use for the oil line? any pictures?
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Ben 89 944,85.5 944 914-6 2.4s GT tribute. 914-6werkshop.com |
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03-06-2009, 05:55 PM
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Happiest when Tinkering
Join Date: Jun 2007
Location: Missouri
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Ben I used the OEM check ball fitting and as for routing I am going to cut my hose down a little and then take a photo of it.
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" Porsche there is no substitute" I always liked that saying. Air cooled is the only way to go! 76 911 C.R.A.P. Gruppe #2 BIG time TURBO C.R.A.P. Bitz EFI/EDIS Now MegaSquirt 3 76 Blazer also restored by me |
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03-06-2009, 06:16 PM
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Happiest when Tinkering
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Here are some pics
   I think when I finally get the heat backdate stuff I will cut the length of the hose down some or maybe not as this way does minimize the drastic bends I had a 45 on it but the blasted thing got chewed up on the russel hose I had and wouldn't bite on this hose.
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" Porsche there is no substitute" I always liked that saying. Air cooled is the only way to go! 76 911 C.R.A.P. Gruppe #2 BIG time TURBO C.R.A.P. Bitz EFI/EDIS Now MegaSquirt 3 76 Blazer also restored by me |
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03-06-2009, 06:40 PM
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Ben 89 944,85.5 944 914-6 2.4s GT tribute. 914-6werkshop.com |
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03-07-2009, 04:51 AM
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Happiest when Tinkering
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I thought the check ball was in the bolt am I mistaken?
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" Porsche there is no substitute" I always liked that saying. Air cooled is the only way to go! 76 911 C.R.A.P. Gruppe #2 BIG time TURBO C.R.A.P. Bitz EFI/EDIS Now MegaSquirt 3 76 Blazer also restored by me |
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03-07-2009, 05:37 AM
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Happiest when Tinkering
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Hey Ben your right so what is needed? ball? spring? Post part numbers when you find out and is it needed?
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" Porsche there is no substitute" I always liked that saying. Air cooled is the only way to go! 76 911 C.R.A.P. Gruppe #2 BIG time TURBO C.R.A.P. Bitz EFI/EDIS Now MegaSquirt 3 76 Blazer also restored by me |
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03-07-2009, 05:42 AM
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Happiest when Tinkering
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I looked in the PET it just shows the ball (a standard 9mm ball) show what is its function? part number 900 108 022 00 $1.00 from pelican an eternity to get it from Germany.
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" Porsche there is no substitute" I always liked that saying. Air cooled is the only way to go! 76 911 C.R.A.P. Gruppe #2 BIG time TURBO C.R.A.P. Bitz EFI/EDIS Now MegaSquirt 3 76 Blazer also restored by me |
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03-07-2009, 05:51 AM
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Smart quod bastardus
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what exactly is the purpose of this check ball?
does it close under low pressure and keep the oil in the lines from draining back into the crankcase during shutdown? or does it truly act as an orifice in restricting the flow rate of oil thru the lines? Seems like most people assume it is a restrictor for flow, but why use a ball valve and not just a simple orifice like on the cam tower fittings?
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1979 930 Turbo....3.4L, 7.5to1 comp, SC cams, full bay intercooler, Rarlyl8 headers, Garret GTX turbo, 36mm ported intakes, Innovate Auxbox/LM-1, custom Manually Adjustable wastegate housing (0.8-1.1bar),--running 0.95 bar max ---"When you're racing it's life! Anything else either before or after, is just waiting" |
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03-07-2009, 05:52 AM
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Now the question is does the ball go into the banjo bolt between the idiot light switch or does it go underneath? I have no pictures. it looks like it would work better underneath but I need to make sure
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Ben 89 944,85.5 944 914-6 2.4s GT tribute. 914-6werkshop.com |
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03-07-2009, 08:23 AM
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7.0:1 > 11.3:1 > 7.0:1
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Always a fun topic!
The ball goes under the banjo bolt. The end of the banjo bolt has two slots cut into it which are about .125" wide by .125" high so as to NOT RESTRICT oil flow. |
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03-07-2009, 09:13 AM
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yup searched and found it. thanks a 17cent part from the local hardware store thanks everybody
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Ben 89 944,85.5 944 914-6 2.4s GT tribute. 914-6werkshop.com |
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03-07-2009, 10:39 AM
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7.0:1 > 11.3:1 > 7.0:1
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Slot is .180 high by .230 wide, 9mm ball, 14mm banjo bolt.
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03-07-2009, 02:11 PM
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03-07-2009, 02:25 PM
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Ok so what was decided because when I take the idiot light switch off I can see right down into the case oil galley thru the hole and there is a chamfered edge around the hole in the base adapter. Wouldn't this go up and block the hole for the switch so it wouldn't send the right signal?
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" Porsche there is no substitute" I always liked that saying. Air cooled is the only way to go! 76 911 C.R.A.P. Gruppe #2 BIG time TURBO C.R.A.P. Bitz EFI/EDIS Now MegaSquirt 3 76 Blazer also restored by me |
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03-07-2009, 04:58 PM
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03-07-2009, 06:12 PM
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Happiest when Tinkering
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You can get this ball at the local hardware store? In what section?
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" Porsche there is no substitute" I always liked that saying. Air cooled is the only way to go! 76 911 C.R.A.P. Gruppe #2 BIG time TURBO C.R.A.P. Bitz EFI/EDIS Now MegaSquirt 3 76 Blazer also restored by me |
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03-07-2009, 06:38 PM
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Ben 89 944,85.5 944 914-6 2.4s GT tribute. 914-6werkshop.com |
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03-08-2009, 06:00 AM
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Happiest when Tinkering
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Quote:
__________________
" Porsche there is no substitute" I always liked that saying. Air cooled is the only way to go! 76 911 C.R.A.P. Gruppe #2 BIG time TURBO C.R.A.P. Bitz EFI/EDIS Now MegaSquirt 3 76 Blazer also restored by me Last edited by gsmith660; 03-08-2009 at 06:25 AM.. |
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03-08-2009, 06:23 AM
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Smart quod bastardus
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Not intended to restrict oil flow then? Lots of guys misuse this to provide restriction to oil flow then with other Garret turbos? This is a confusing topic......
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1979 930 Turbo....3.4L, 7.5to1 comp, SC cams, full bay intercooler, Rarlyl8 headers, Garret GTX turbo, 36mm ported intakes, Innovate Auxbox/LM-1, custom Manually Adjustable wastegate housing (0.8-1.1bar),--running 0.95 bar max ---"When you're racing it's life! Anything else either before or after, is just waiting" |
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03-08-2009, 10:22 AM
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Quote:
no spring but I still think it restricts it some by covering the hole in the bottom and requiring oil to flow around the ball into the cross machine bolt
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Ben 89 944,85.5 944 914-6 2.4s GT tribute. 914-6werkshop.com |
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03-08-2009, 01:37 PM
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Herman the German
1970 
1972 6 conversion 
1972 Datsun 510 
1986 
