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busdaddy
Samba Member
Joined: February 12, 2004
Posts: 52676
Location: Surrey B.C. Canada, but thinking of Ukraine
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 Posted: Mon Dec 02, 2024 8:58 pm Post subject: Re: Official Fuel injection questions thread |
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Not upset at all, it's your car, do as you like, but be warned it's not as simple as some let on to swap if you want it to work properly.
Test fuel pressure before changing the pump.
Points or Pertronix?, new plug wires?, old tested ones?, ever done a smoke test?
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Alex6373
Samba Member
Joined: August 05, 2007
Posts: 924
Location: Vancouver Island,B.C.
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| Posted: Tue Dec 03, 2024 2:02 pm Post subject: Re: Official Fuel injection questions thread |
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Thanks for the extra tips the car sat for 10 years and i have just started to learn more about these VWS .
Ya love the power of the fuel injection when working right. |
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Alex6373
Samba Member
Joined: August 05, 2007
Posts: 924
Location: Vancouver Island,B.C.
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| Posted: Sat Dec 14, 2024 3:42 pm Post subject: Re: Official Fuel injection questions thread |
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Posting this as Im needing info on a 1979 VW SuperBeetle Convertible, California Car , fuel injection
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Problem is i need a new muffler and was wondering what if any are my options .
Really don’t want to change heater boxes or modify the exhaust .
Will a regular fuel injection muffler for the same year car fit,
They sell one for Canadian fuel injected cars ( non cat )
This would eliminate the cat and short muffler.
Will this other type of muffler fit my car ,
Without changing the heater boxes ?
Thanks for looking |
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busdaddy
Samba Member
Joined: February 12, 2004
Posts: 52676
Location: Surrey B.C. Canada, but thinking of Ukraine
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| Posted: Sun Dec 15, 2024 9:11 am Post subject: Re: Official Fuel injection questions thread |
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| Alex6373 wrote: |
Posting this as Im needing info on a 1979 VW SuperBeetle Convertible, California Car , fuel injection
.
Problem is i need a new muffler and was wondering what if any are my options .
Really don’t want to change heater boxes or modify the exhaust .
Will a regular fuel injection muffler for the same year car fit,
They sell one for Canadian fuel injected cars ( non cat )
This would eliminate the cat and short muffler.
Will this other type of muffler fit my car ,
Without changing the heater boxes ?
Thanks for looking |
AFAIK yes, the non Cal muffler fits in the same space the California Cat and muff does, since you don't have to smog delete the cat.
_________________
Rust NEVER sleeps and stock never goes out of style.
Please don't PM technical questions, ask your problem in public so everyone can play along. If you think it's too stupid post it here
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Alex6373
Samba Member
Joined: August 05, 2007
Posts: 924
Location: Vancouver Island,B.C.
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| Posted: Sun Dec 29, 2024 6:45 pm Post subject: Re: Official Fuel injection questions thread |
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| Other than than the classified adds here where can someone get a newer AAR Valve for a 1979 super Beetle ?. |
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busdaddy
Samba Member
Joined: February 12, 2004
Posts: 52676
Location: Surrey B.C. Canada, but thinking of Ukraine
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| Posted: Sun Dec 29, 2024 9:39 pm Post subject: Re: Official Fuel injection questions thread |
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Samba classifieds are the best spot, what's wrong with your's?, unless you broke off the adjustment stud, or the element is fried they are not hard to get working properly.
_________________
Rust NEVER sleeps and stock never goes out of style.
Please don't PM technical questions, ask your problem in public so everyone can play along. If you think it's too stupid post it here
Stop dead photo links! Post your photos to The Samba Gallery!
Слава Україні! |
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Alex6373
Samba Member
Joined: August 05, 2007
Posts: 924
Location: Vancouver Island,B.C.
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| Posted: Wed Jan 08, 2025 7:18 pm Post subject: Re: Official Fuel injection questions thread |
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Is there a base setting for the air flow meter adjustment screw ?
I don’t have anyway to test the CO levels. |
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busdaddy
Samba Member
Joined: February 12, 2004
Posts: 52676
Location: Surrey B.C. Canada, but thinking of Ukraine
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| Posted: Wed Jan 08, 2025 10:04 pm Post subject: Re: Official Fuel injection questions thread |
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Not really, you could try the carb method for no meter, adjust for peak rpm and then lean until revs drop by 50, should be close enough until you can get near a sniffer.
Lean is CCW on that one.
_________________
Rust NEVER sleeps and stock never goes out of style.
Please don't PM technical questions, ask your problem in public so everyone can play along. If you think it's too stupid post it here
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Alex6373
Samba Member
Joined: August 05, 2007
Posts: 924
Location: Vancouver Island,B.C.
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| Posted: Wed Jan 08, 2025 10:26 pm Post subject: Re: Official Fuel injection questions thread |
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Thanks
My original problem with this car was an issue with the idle … went through eveything and then i found the airflow meter adjustment- lean ccw and rich cw
I turned it in ccw and the car is now sounding like a VW and i have lost the rough running .
Also found out more on the backstory of this car and the possible reasons for all this - disgruntled shop owner , setting up for the car being stored for a year on his lot .
I think some screws and valves were changed & adjusted to make the car not run .
Thx Mark for the help again |
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jtboeder
Samba Member
Joined: December 31, 2020
Posts: 5
Location: FL
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| Posted: Mon Jan 13, 2025 7:42 pm Post subject: Re: Official Fuel injection questions thread |
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| 1975 VW Bug Fuel Injection Wiring Help. So A really good friend of mine is helping to get my original Car back on the road. And we cannot find where the RED and Black wire that connects to the starter to supply power to the FI relay is, It was there several weeks ago but now we cannot find it and have been looking all over the under side. Does it come from the engine side to the starter or the body side? |
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tommu 
Samba Member
Joined: November 15, 2011
Posts: 660
Location: L.A.
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| Posted: Sat Jan 18, 2025 11:56 pm Post subject: Re: Official Fuel injection questions thread |
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| jtboeder wrote: |
| 1975 VW Bug Fuel Injection Wiring Help. So A really good friend of mine is helping to get my original Car back on the road. And we cannot find where the RED and Black wire that connects to the starter to supply power to the FI relay is, It was there several weeks ago but now we cannot find it and have been looking all over the under side. Does it come from the engine side to the starter or the body side? |
Red and white as stock - goes from starter to the double relay inside the car, behind the back seat and attached to the ECU IIRC. The red and black goes up to the ignition switch. I don't recall how it routes. Is it missing from the starter solenoid?
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busdaddy
Samba Member
Joined: February 12, 2004
Posts: 52676
Location: Surrey B.C. Canada, but thinking of Ukraine
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| Posted: Sun Jan 19, 2025 10:45 am Post subject: Re: Official Fuel injection questions thread |
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The 79 diagram is all fubar on the connector numbers and locations things like "T8g" on the diagram but the numbers on the key don't go highr than 3, odd.
The 76/77 diagram shows the red/black for the double relay splitting out of the T1b single connector under the back seat (other branch to the starter #50), then going to T6 which is a 6 wire plug in the engine compartment, and finally to the DR.
The 79 is drawn exactly the same there, but the key or plug numbers are screwed up somehow.
_________________
Rust NEVER sleeps and stock never goes out of style.
Please don't PM technical questions, ask your problem in public so everyone can play along. If you think it's too stupid post it here
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tommu
Samba Member
Joined: November 15, 2011
Posts: 660
Location: L.A.
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| Posted: Sun Feb 02, 2025 4:22 pm Post subject: Re: Official Fuel injection questions thread |
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JT - you send me a PM with this, I'm pasting it to the forum so others can help. hit 'reply' on this here web page if you need to comment.
| jtboeder wrote: |
Hey all thanks for the help, but still need to know where the wire comes from to try and trace it. Just spent over an hour under the car remove wheels to find this wire and still nothing. Any help would be greatly appricated. |
In my car, behind the seat on the right I have my ECU and a dual relay. There are two connectors plugged into the relay. One all white which is for the FI loom and the other which is the engine loom. The red black wire should be seen here. Do you have this? The engine loom then finds it was forward, along the front inside of the seat base - then loops back down under the heater pipe. There it merges with the thick red/black cable from, I think, the ignition switch. Both red/black wires connect to a red wire from the left (driver side) seat base through to the engine bay and I assume the starter solenoid terminal.
Double Relay
Under seat past the battery
Along the seat base
Connecting to the red wire towards the starter solenoid
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busdaddy
Samba Member
Joined: February 12, 2004
Posts: 52676
Location: Surrey B.C. Canada, but thinking of Ukraine
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| Posted: Sun Feb 02, 2025 4:59 pm Post subject: Re: Official Fuel injection questions thread |
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Two thumbs up for Tommu! 
_________________
Rust NEVER sleeps and stock never goes out of style.
Please don't PM technical questions, ask your problem in public so everyone can play along. If you think it's too stupid post it here
Stop dead photo links! Post your photos to The Samba Gallery!
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jtboeder
Samba Member
Joined: December 31, 2020
Posts: 5
Location: FL
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| Posted: Wed Feb 05, 2025 2:26 pm Post subject: Re: Official Fuel injection questions thread |
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Tommu
Thank You very much! |
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