Intro - 1974 Westfalia

[camino70]

1 130
2 150
3 120
4 140
_________________
Ron
1974 Westfalia
Goal: get the 914 1.7 running

[busdaddy]

It should idles reasonably well with that, synch those carbs.
_________________
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[camino70]

Found a fire hazard:

_________________
Ron
1974 Westfalia
Goal: get the 914 1.7 running

[camino70]

I could use some pointers on adjusting the accelerator pump.

I noticed some vacuum from the line from next to the oil filler and it affects the idle if I don't block it. Should there be a check valve there?
_________________
Ron
1974 Westfalia
Goal: get the 914 1.7 running

[busdaddy]

[camino70]

Vacuum lines, two lines are currently stuffed with used spark plugs.

_________________
Ron
1974 Westfalia
Goal: get the 914 1.7 running

[busdaddy]

How about some more pics, there's alot going on there and some of it looks wrong, but different angles will confirm.
_________________
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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Слава Україні!

[Wildthings]

Looks like you have a motor out of a FI injected Type 4 which has a different crankcase ventilation setup than the similar engine in a bus has. You should find a breather box for a 72-74 bus and then pare down on the rest of the breather system as little of the extra stuff is needed.

[camino70]

Thanks guys, I’ll get some more pictures. I had the vacuum lines running to the air box thinking it would fire right up. Air box removed to help me with access to the carb and distributor.

It had a 2.0 in it, this is a 1.7 out of a 74 914, that was carbureted when I received it, single two barrel, that leaked like a sieve. Prompting me to try the dual singles.

I'll go through what was on there to see what I can reduce.

_________________
Ron
1974 Westfalia
Goal: get the 914 1.7 running

[Wildthings]

Being able to see the ground is not good, the engine compartment needs to be well sealed for the cooling system to work well, you need all the correct tin and the foam seal.

If you have ventilation ports in the heads, you should block those off and not feed them into the air cleaners, and as mentioned above you want the correct breather box for a carbureted engine, though there are probably ways to make the one you have work well with carbs, it isn't plug and play.

Where is the red hose that disappears to the lower right heading off to?

[camino70]

Thanks wildthings, I have a box of tins that I still need to sort, but I’m not very motivated to do that until it’s running.

I do have breather ports in the head and running them to the air box, I’d like to understand why capping them off is better.

Can you also help me understand the difference in breather boxes. This EA engine was FI from factory, but someone swapped to the single carb?

The previous engine was stamped GA, fuel injected 2.0, so my other breather box will be wrong again?

The large vacuum line coming from the bottom right of the picture and ending near the fuel filter, capped with a spark plug is coming from the hard line that crosses the engine under the air box. The smaller one from the same cross is going to a “T” on the ceiling of the engine compartment and heading to either side to hard lines, fuel tank vents?
_________________
Ron
1974 Westfalia
Goal: get the 914 1.7 running

[camino70]

I was going through some parts today, Is this the carb breather?

_________________
Ron
1974 Westfalia
Goal: get the 914 1.7 running

[busdaddy]

[camino70]

There’s some sort of one way valve, I’d have called it a pcv.
_________________
Ron
1974 Westfalia
Goal: get the 914 1.7 running

[camino70]

This is the breather off of my 74 2.0, same pcv type function.

_________________
Ron
1974 Westfalia
Goal: get the 914 1.7 running

[camino70]

I’ve spent some time on the bus today and I’m leaning towards fuel delivery issues, may or may not be related to my abilities rebuilding the carbs. Currently using the duals.

I also have this 32/36 dfav in need of outside help.

I could use advice on next steps, find someone local to rebuild the duals or single? Send the duals off, I’m having a hard time accepting the price and wait (although this is probably the right answer)? Get a new 32/36 or another dual setup?
_________________
Ron
1974 Westfalia
Goal: get the 914 1.7 running

[busdaddy]

Installing the Weber will be the equivalent of putting a rock in your shoe on purpose, how much do you enjoy grief?

There's only one guy I'd have rebuild Solex, Tim at Volkzbitz.com, not cheap, but just like opening up a blue box after coming home from the VW dealer when they still sold parts for buses.

What exactly is the symptom that's bugging you?
_________________
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!

[camino70]

I can’t get it to idle under 1k, seems to start losing fuel and sounds like it’s running on 2 or 3 cylinders. It starts sputtering out under 1k. Seems to rev fine above that.

I noticed the passenger side carb stopped pushing fuel out of the accelerator pump this afternoon, which I recently replaced. I know carb rebuilding isn’t my forte and I’m beginning to get discouraged.

I rechecked valve gap at .006, timing is about 7 if I can keep it at 850, up to 28ish at 3500ish.

I need to plug the vents out of the heads, currently connected to vacuum hose.
I have not sorted the breather box, all three that I have contain a diagram or ? (Not free flowing).
_________________
Ron
1974 Westfalia
Goal: get the 914 1.7 running

[busdaddy]

Until you get that vacuum hose snarl figured out don't go writing off the carbs just yet, that one with the spark plug in the end has to be capped off at the balance tube, you aren't feeding an air pump. Any vacuum leaks are going to show up at idle, when it's dying can you save it by cupping your hand over the carb throat a bit so it creates a slight sucking feeling?

That breather with the restrictor could work if you can un restrict it a bit, the carb version has a reed valve that only allows flow out, but it also has a 12mm port in it.
_________________
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!

[camino70]

I don’t understand the difference in capping the vacuum lines with a spark plug vs capping, but here’s my attempt and better shot of the line to the tank vents:

_________________
Ron
1974 Westfalia
Goal: get the 914 1.7 running