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Getting my 951 on the road again

Old 10-15-2018, 07:45 PM
  #16  
teveo
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Finally got some 1/4" silicon vaccum hose and I managed to hook up most of the vaccum system and trial-fit most everything tonight.

After mocking up everything I have a few "loose ends"/questions, hope someone have an idea!
  1. one of the heater /actuator hoses are hooked up, what should I do with the other one?
  2. there is a hose coming from the bottom off the fuel vapor stuff up left in the engine ebay, where should it go? Its seem to end almost down aside the turbo.
  3. vacuum canister, just forget about it?
I'll add some text to the photos to possibly explain better.



This one is going to one of the two nipples for the heater/actuator, why the blue piece looking like a one way valve (filter?)

What to do with the other nipple, connect to vacuum?

this is the bottom hose coming from the fuel vapor valve, where does it go? (dec 1986 car)

clear line is going to the KLR I suppose, it is getting worn and being swapped or covered with silicon hose.

not too bad, fuel vapor and still vaccum to resolve.
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Old 10-16-2018, 04:39 PM
  #17  
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Have some time over for "research" this evening and found this link in the forum if this diagram is correct the firewall nipple/port is resolved.


Even more of a writeup here, for a 944S but I think this must be applicable for my 951.

Now I'll concentrate on the fuel vapor

Last edited by teveo; 10-16-2018 at 04:49 PM. Reason: Added a resource / link
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Old 10-16-2018, 05:11 PM
  #18  
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Think I got it now, number 17 in the intake diagram is the same as 22 in the tank diagram. Suppose I will have to use a connector or Y-pipe connect that line into the MAF pipe.



Tank EVAP

Inlet vac
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Old 10-16-2018, 07:49 PM
  #19  
Dan Martinic
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I thought everyone who gets an MAF does away with that evap system? In any case, do a search for Laust vacuum manifold. Trust me.
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Old 10-29-2018, 06:41 AM
  #20  
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Thanks, havent had time to work on the 951 last weeks but seems like I will get some "garage time" this week. I searched on the Laust vacuum terms but it did not make me wiser

With some luck I hope to fire the engine end of week, I'll just connect the vapor to the MAF manifold for now. I just have to check everything is torqued down, recheck belts, new plugs and then crank it.
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Old 10-29-2018, 10:50 AM
  #21  
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Check out this thread https://rennlist.com/forums/944-turb...anifold-2.html

When I contacted Laust little while ago, he had some and I got a 5-port. It's simply one little block you install in place of the vacuum banjo bolt on the intake and it has 4 or 5 nipples to run a vacuum line to each device seperately. Makes installing & diagnosing lines neat and easy.

Notice I have one unused port: perfect for future map sensor or diagnosing with vacuum guage!



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Old 11-05-2018, 08:12 AM
  #22  
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OK thanks, I may look into this in the future to cleanup the engine bay further.

For now most everything is hooked up, it's just the electric turbo cooling pump, distributor and the the intake/MAF to install. Hope to start it end of week.




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