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NWA78Bay
Samba Member
Joined: March 16, 2019
Posts: 2
Location: Arkansas
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 Posted: Sat Mar 16, 2019 7:00 pm Post subject: Start Type 4 Fuel Injection Engine outside of bus |
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Hello!
Does anyone have any like that have already started in this topic? I’ve searched and have not had any luck finding anything. I’m rebuildong my first engine. It is a 1978 Type 4 FI engine. Does anyone have pictures of their setups to start it outside of the bus? I’ve seen a lot for carburetors, but is it possible to do with the FI? |
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aeromech
Samba Member
Joined: January 24, 2006
Posts: 17745
Location: San Diego, California
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| Posted: Sat Mar 16, 2019 9:00 pm Post subject: Re: Start Type 4 Fuel Injection Engine outside of bus |
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Yes, I’ve done it with help from an electrical genius. I have lots of pictures to share.
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tommu 
Samba Member
Joined: November 15, 2011
Posts: 665
Location: L.A.
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| Posted: Sat Mar 16, 2019 9:09 pm Post subject: Re: Start Type 4 Fuel Injection Engine outside of bus |
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Here's mine:
Link
Control box and adapter from here:
http://www.zalexindustries.com
You could use a bell housing instead of the adapter ring.
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aeromech
Samba Member
Joined: January 24, 2006
Posts: 17745
Location: San Diego, California
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| Posted: Sat Mar 16, 2019 9:48 pm Post subject: Re: Start Type 4 Fuel Injection Engine outside of bus |
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I like your set up
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Lead Mechanic: San Diego Air and Space Museum
Licensed Airframe and Powerplant Mechanic
Licensed Pilot (Single engine Land)
Boeing 727,737-200-300-400,757,767
Airbus A319,320,321
DC9/MD80
BAe146
Fokker F28/F100
VW type 1 1962,63,65,69,72
VW Type 2 1971 (3 ea.) 1978, 1969
VW Jetta
VW Passat
Capable of leaping tall buildings in a single bound |
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telford dorr
Samba Member
Joined: March 11, 2009
Posts: 3630
Location: San Diego (Encinitas)
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| Posted: Sat Mar 16, 2019 10:46 pm Post subject: Re: Start Type 4 Fuel Injection Engine outside of bus |
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Yes. You need to make up a cable to connect to the chassis side of the double relay to provide power, fuel pump, starter, etc. connections. While you can do this with individual wires, I prefer to use the proper connector block and terminals (salvage block from a parted out bus or FI harness, or buy new). With the block, you only have to figure out the connections once. Avoids embarrassing mistakes...
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More VW electrical at http://telforddorr.com/ (available 9am to 9pm PST) |
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sjbartnik
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Joined: September 01, 2011
Posts: 6041
Location: Brooklyn
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| Posted: Sun Mar 17, 2019 5:35 am Post subject: Re: Start Type 4 Fuel Injection Engine outside of bus |
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| tommu wrote: |
Here's mine:
Link
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Love a sweet sounding Type 4 with FI and no exhaust leaks 
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NWA78Bay
Samba Member
Joined: March 16, 2019
Posts: 2
Location: Arkansas
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| Posted: Sun Mar 17, 2019 6:26 am Post subject: Re: Start Type 4 Fuel Injection Engine outside of bus |
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That is impressive! What is the white wire running from the start around the engine? Also where did you mount your fuel pump? |
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Wildthings
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Joined: March 13, 2005
Posts: 52690
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| Posted: Sun Mar 17, 2019 6:41 am Post subject: Re: Start Type 4 Fuel Injection Engine outside of bus |
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| The double relay can be replaced with two generic relays or even just switches. Basically you need 12v to the coil, the ECU and the ballast resister pack, and to the fuel pump, plus you need a start circuit. No need for a charging circuit if you have an other way to charge the battery, or just don't intend to run it down. |
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tommu
Samba Member
Joined: November 15, 2011
Posts: 665
Location: L.A.
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| Posted: Mon Mar 18, 2019 1:00 pm Post subject: Re: Start Type 4 Fuel Injection Engine outside of bus |
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| telford dorr wrote: |
| Yes. You need to make up a cable to connect to the chassis side of the double relay to provide power, fuel pump, starter, etc. connections. While you can do this with individual wires, I prefer to use the proper connector block and terminals (salvage block from a parted out bus or FI harness, or buy new). With the block, you only have to figure out the connections once. Avoids embarrassing mistakes... |
Yes, this absolutely the best approach. I didn't leave myself enough time to find that connector.
| NWA78Bay wrote: |
| That is impressive! What is the white wire running from the start around the engine? Also where did you mount your fuel pump? |
Thanks. That's 86A on the double relay to the starter IIRC. This is an excellent resource to illustrate: https://www.itinerant-air-cooled.com/viewtopic.php?f=50&t=5459 I cable tied the fuel pump to the leg of the engine stand. Top tip is not to drop your spare pump on the floor. It will leak massively if it lands on the crimped connections!
I wish I'd built a test stand sooner. I needed to split the case a couple of times after my first build and dropping it from the Bus each time was becoming a chore.
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