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Forum: maintenance & nonperformance 10-12-2018, 11:19 PM
Replies: 2
Views: 151
Posted By bobxyz
AW-71 Vent

https://image.ibb.co/m7KPip/aw-71-vent-nipple.jpg

Should there be a hose on this barbed plastic AW-71 vent nipple? If so, where should it go?

Thanks,
Bob
Forum: article composition 10-11-2018, 10:49 AM
Replies: 429
Views: 181,157
Posted By bobxyz
I think it's this socket pin for the Amp Junior...

I think it's this socket pin for the Amp Junior Timer series of connectors, but I haven't actually tried one:...
Forum: maintenance & nonperformance 10-02-2018, 12:17 AM
Replies: 16
Views: 572
Posted By bobxyz
Great CPR/WUR rebuilding link from highperfauto: ...

Great CPR/WUR rebuilding link from highperfauto:
https://forums.turbobricks.com/showpost.php?p=5834501&postcount=3

Try a google search for something like: "K-jet hot start problems...
Forum: projects & restorations 09-26-2018, 10:42 PM
Replies: 2,192
Views: 215,732
Posted By bobxyz
Did you replace and rewire the K-Jet fuel pump...

Did you replace and rewire the K-Jet fuel pump relay with a LH2.2 setup? If not, the red/white tach wire from the coil goes to the K-Jet fuel pump relay and turns on the pump when it sees cranking.
Forum: maintenance & nonperformance 09-26-2018, 05:24 PM
Replies: 61
Views: 2,043
Posted By bobxyz
It's simply a coil of wire around an iron core...

It's simply a coil of wire around an iron core plus a magnet. Measure the resistance when unplugged and compare to specs. If it's open circuit, it's bad. Much lower than spec resistance means that...
Forum: maintenance & nonperformance 09-26-2018, 05:16 PM
Replies: 4
Views: 325
Posted By bobxyz
You may have a stuck "step relay". It's the...

You may have a stuck "step relay". It's the double-wide silver relay a few inches behind the battery. Try wrapping on the step-relay with a screwdriver handle.

If that doesn't do it, you might...
Forum: maintenance & nonperformance 09-21-2018, 08:58 PM
Replies: 21
Views: 969
Posted By bobxyz
The 240 distributors have a slot that the...

The 240 distributors have a slot that the hold-down bolt goes through. This limits the rotation, and means that you need to get the drive gear alignment correct. If the B20F distributor has a...
Forum: maintenance & nonperformance 09-15-2018, 05:56 PM
Replies: 21
Views: 969
Posted By bobxyz
I don't know about B20s, but normally the...

I don't know about B20s, but normally the distributor rotor lines up with a notch or line on the edge of the distributor when at TDC. If the distributor drive gear is off a tooth, the rotor isn't...
Forum: maintenance & nonperformance 09-13-2018, 02:54 PM
Replies: 53
Views: 2,103
Posted By bobxyz
The ECU case does not ground through the mounting...

The ECU case does not ground through the mounting screws to the chassis -- you can test it floating in air. Measuring no voltage with key on is most likely from not getting good probe contact.

...
Forum: maintenance & nonperformance 09-13-2018, 12:26 PM
Replies: 53
Views: 2,103
Posted By bobxyz
The ECU supplies voltage, thru a resistor, for...

The ECU supplies voltage, thru a resistor, for the ECT. If ECU isn't plugged in, no voltage on ECT. Your 2.23 resistance reading seems fine.

There's a different ECT pin used by the EZK box. You...
Forum: maintenance & nonperformance 09-13-2018, 08:41 AM
Replies: 5
Views: 407
Posted By bobxyz
If you're just trying to test the coolant temp...

If you're just trying to test the coolant temp sensor, measure the resistance between the ect pin and a ground pin, at the connector, with connector unplugged and key off, and compare it to the chart...
Forum: maintenance & nonperformance 09-12-2018, 08:05 PM
Replies: 5
Views: 407
Posted By bobxyz
^^^ This. You'll need to unplug it first, and...

^^^ This. You'll need to unplug it first, and the shell slides off the end where you remove the screw. Careful, there are some wicked sharp plastic edges under the cover. You may need to remove...
Forum: performance & modifications 09-11-2018, 08:13 PM
Replies: 11
Views: 1,016
Posted By bobxyz
https://image.ibb.co/iLnsEp/Gutted_K_Jet_Fuel_Dist...

https://image.ibb.co/iLnsEp/Gutted_K_Jet_Fuel_Distributor4.jpg

(and as noted in the other airbox thread, a 4" PVC DWV coupler is just over 5" in diameter if anyone wants to try fabricating with...
Forum: maintenance & nonperformance 09-11-2018, 04:57 PM
Replies: 8
Views: 450
Posted By bobxyz
http://volvowiringdiagrams.com/ Go under 240...

http://volvowiringdiagrams.com/
Go under 240 and find: TP32352-1 1993 240 Wiring Diagrams.pdf
Forum: maintenance & nonperformance 09-11-2018, 03:45 PM
Replies: 61
Views: 2,043
Posted By bobxyz
After thinking about it, I'll vote for a failing...

After thinking about it, I'll vote for a failing CPS too. Can you unplug it and measure the resistance across the 2 pins? If the coil windings in the CPS sensor are corroded or partially shorted,...
Forum: maintenance & nonperformance 09-11-2018, 01:26 PM
Replies: 8
Views: 450
Posted By bobxyz
Oh, I hadn't thought about trailer wiring. For...

Oh, I hadn't thought about trailer wiring. For trailer turn/tail/brake lights, the connector supplies the voltage to turn the trailer lamps on. Grounding the lamp wires on the trailer connector...
Forum: maintenance & nonperformance 09-10-2018, 11:16 PM
Replies: 61
Views: 2,043
Posted By bobxyz
Any fault codes after trying to start? Diag box...

Any fault codes after trying to start? Diag box pin2 is ECU; pin6 is EZK.
Forum: website & board 09-10-2018, 07:48 PM
Replies: 7
Views: 225
Posted By bobxyz
I've been using imgbb.com. It's really fast and...

I've been using imgbb.com. It's really fast and simple, but I don't know how long it will be around, or if they'll starting adding ads to your pictures. You don't need an account (but you may not...
Forum: maintenance & nonperformance 09-10-2018, 07:36 PM
Replies: 8
Views: 450
Posted By bobxyz
There's a 93 240 greenbook at...

There's a 93 240 greenbook at volvowiringdiagrams.com. Page 54 shows the turn signals. The
Hazard/4-way blinker switch is common to all turn lights, and is fed directly from the battery. Try...
Forum: article composition 09-09-2018, 08:45 PM
Replies: 429
Views: 181,157
Posted By bobxyz
Electrically, 20ga is fine for both but I'd...

Electrically, 20ga is fine for both but I'd suggest 18ga because it's more mechanically robust.
Forum: maintenance & nonperformance 09-09-2018, 03:43 PM
Replies: 33
Views: 1,471
Posted By bobxyz
Does this help? ...

Does this help? https://forums.turbobricks.com/showpost.php?p=5799817&postcount=12
Forum: maintenance & nonperformance 09-08-2018, 12:12 PM
Replies: 3
Views: 391
Posted By bobxyz
You want a 3-wire heated O2 sensor since it will...

You want a 3-wire heated O2 sensor since it will be a little ways away from the manifold heat. Universal is fine. I don't think it matters which way you hook up the 2 heater wires.
Forum: maintenance & nonperformance 09-08-2018, 12:10 PM
Replies: 24
Views: 1,176
Posted By bobxyz
Misconfigured MegaSquirt acting as a really bad...

Misconfigured MegaSquirt acting as a really bad ~600rpm rev limiter.
Forum: maintenance & nonperformance 09-07-2018, 07:26 PM
Replies: 9
Views: 663
Posted By bobxyz
Try wiggling the engine compartment wires (TPS,...

Try wiggling the engine compartment wires (TPS, Coolant, tach@coil, Idle air valve, distributor sensor) and the wire bundle going to the ECU connector while idling and see if it hiccups or changes...
Forum: performance & modifications 09-07-2018, 07:18 PM
Replies: 10
Views: 1,181
Posted By bobxyz
Few things: - Was the engine running well...

Few things:
- Was the engine running well before converting to MS, or was it a unknown condition swap, or a fresh rebuild (never run)?
- Your .msq has "Fixed timing" still enabled, go back to "use...
Forum: maintenance & nonperformance 09-01-2018, 12:39 AM
Replies: 5
Views: 401
Posted By bobxyz
Compression is pretty even but a bit low. How's...

Compression is pretty even but a bit low. How's the oil consumption? X quarts per 3000 miles?
Forum: maintenance & nonperformance 08-26-2018, 03:24 PM
Replies: 3
Views: 359
Posted By bobxyz
Automatic? If so, check that you're still in...

Automatic? If so, check that you're still in park.

From the switch, the start wire branches to an engine compartment single wire test connector, to through Park Interlock switch (auto) or just...
Forum: maintenance & nonperformance 08-25-2018, 12:56 AM
Replies: 6
Views: 591
Posted By bobxyz
I have no direct experience fixing this, so try...

I have no direct experience fixing this, so try at own risk.

There is a Load signal that goes directly from the LH 2.4 ECU to the EZ116K box. I think the 1-1-4 code means that the EZK box isn't...
Forum: maintenance & nonperformance 08-24-2018, 08:37 PM
Replies: 6
Views: 383
Posted By bobxyz
I'm not sure if it's the same, but if you can...

I'm not sure if it's the same, but if you can find the "TP30808-1_wiring_diagrams_1985_PRELIM.pdf", page 5 shows the 9pin (3x3) radio power & speaker connector.
Forum: aftermarket engine management 08-24-2018, 08:26 PM
Replies: 8
Views: 1,003
Posted By bobxyz
If you pull the plugs, or connect up a spare set,...

If you pull the plugs, or connect up a spare set, you can use the "CAN bus/Testmodes -> OutputTestMode Inj/Spk" menu to fire the ignition without needing to crank it over. Depending on where you've...
Forum: performance & modifications 08-24-2018, 01:53 PM
Replies: 59
Views: 2,525
Posted By bobxyz
For more pics of adapted turbo airboxes, search...

For more pics of adapted turbo airboxes, search for "turbo airbox" in old For Sale ads. This one is fully chromed! http://forums.turbobricks.com/showthread.php?t=332823

These are washer bottle...
Forum: maintenance & nonperformance 08-23-2018, 10:22 PM
Replies: 17
Views: 898
Posted By bobxyz
Can someone post pictures, or links, for the two...

Can someone post pictures, or links, for the two different differential VR sensors? I think I've seen comments that one has 2 metal pole pieces sticking out versus a single pole. If so, the spacing...
Forum: performance & modifications 08-23-2018, 09:13 PM
Replies: 59
Views: 2,525
Posted By bobxyz
Originally, I was going to build an adapter...

Originally, I was going to build an adapter flange to go from the plastic airbox to the rubber cobra. Before I finished, I saw Pat's gutted k-jet fuel distributor in for sale and bought it instead. ...
Forum: performance & modifications 08-22-2018, 09:41 PM
Replies: 59
Views: 2,525
Posted By bobxyz
Here's some additional pictures showing the cobra...

Here's some additional pictures showing the cobra reinforcement (tight fitting aluminum pre-heat hose inside the rubber), the teepee support frame to prevent collapse, mounting holes, and some other...
Forum: maintenance & nonperformance 08-19-2018, 10:27 PM
Replies: 3
Views: 434
Posted By bobxyz
What are the failure details? There's some...

What are the failure details?

There's some info at: https://www.brickboard.com/FAQ/700-900/EngineFIComputer.htm (but it's mostly about the 5xx series fuel pump failures)

Vintage Porsche owners...
Forum: maintenance & nonperformance 08-18-2018, 10:26 AM
Replies: 3
Views: 401
Posted By bobxyz
The official greenbooks do a better job of...

The official greenbooks do a better job of showing connectors and branching points. If you can find a copy of "TP3908202 940 1995 Wiring Diagrams.pdf" it shows that branch point as "13/41" but...
Forum: performance & modifications 08-12-2018, 01:05 PM
Replies: 9
Views: 1,135
Posted By bobxyz
You'll want the turbo LH2.4 ECU and EZK boxes,...

You'll want the turbo LH2.4 ECU and EZK boxes, plus the injector resistor pack with wiring harness.

Re-use your 240 engine harness, but keep the MAF connector and extra wire from the 940 so that...
Forum: maintenance & nonperformance 08-06-2018, 12:07 AM
Replies: 30
Views: 990
Posted By bobxyz
Here's another example of spider eyes in my '85,...

Here's another example of spider eyes in my '85, with the Hella H1/H4 reflector assemblies, but no stone covers. (Thanks Philski!)
https://image.ibb.co/bt1KBK/spider_eyes.jpg

The dual round...
Forum: maintenance & nonperformance 08-05-2018, 09:55 PM
Replies: 17
Views: 827
Posted By bobxyz
I was curious and found this brickboard post that...

I was curious and found this brickboard post that shows that the filter screen is actually a stack of filter screens:
https://www.brickboard.com/PRINT/?top=1408833

If you flush both inlet and...
Forum: performance & modifications 08-04-2018, 01:09 PM
Replies: 9
Views: 841
Posted By bobxyz
There's a graph in the regina greenbook. 1bar,...

There's a graph in the regina greenbook. 1bar, linear, ~0.5volts to ~4.4volts.
Forum: maintenance & nonperformance 08-04-2018, 01:05 PM
Replies: 15
Views: 777
Posted By bobxyz
For hanging heavy pictures on a wall, they use...

For hanging heavy pictures on a wall, they use plastic coated cable, and double barrel crimps to loop the cable.
https://images-na.ssl-images-amazon.com/images/I/51c-33pL86L._AC_US218_.jpg

Try an...
Forum: projects & restorations 08-03-2018, 06:47 PM
Replies: 2,192
Views: 215,732
Posted By bobxyz
It rotates 90deg forward in this pic and bolts to...

It rotates 90deg forward in this pic and bolts to the bottom & right side of manifold (the right side bolt also goes through spark plug heat shield). [click for full size]...
Forum: maintenance & nonperformance 07-30-2018, 08:50 AM
Replies: 17
Views: 1,246
Posted By bobxyz
I think the 131 code due to the RPM wire that...

I think the 131 code due to the RPM wire that runs from the EZK to the ECU box. The wire is all within the cabin, so it's unlikely to have been damaged. I'd inspect the EZK and ECU connectors...
Forum: performance & modifications 07-27-2018, 08:40 PM
Replies: 5
Views: 553
Posted By bobxyz
I'd assume the pin numbers on the connector are...

I'd assume the pin numbers on the connector are the same as LH/Fenix. If you're looking at the harness, with the cable on the left, the ECU pins are:
1---to---18
-19-to-35

The EZK pins are:...
Forum: maintenance & nonperformance 07-25-2018, 11:53 PM
Replies: 4
Views: 605
Posted By bobxyz
Oops, sorry. You're looking for high voltage...

Oops, sorry. You're looking for high voltage discharge from the coil/coil wire/distributor/spark plug wires/spark plugs boots. If anything along that path is damaged, you can end up with a weak...
Forum: maintenance & nonperformance 07-25-2018, 10:20 PM
Replies: 4
Views: 605
Posted By bobxyz
Find a dark area at night, pop the hood while...

Find a dark area at night, pop the hood while idling, and look for a light show. A spray misting bottle can help if it's not so humid out.
Forum: maintenance & nonperformance 07-25-2018, 10:16 PM
Replies: 5
Views: 565
Posted By bobxyz
On my '85 with a cable driven speedo, there's a...

On my '85 with a cable driven speedo, there's a separate small box connected to the speedo with a short cable that turns on the Lambda light at a fixed mileage interval. There's a reset button in...
Forum: maintenance & nonperformance 07-24-2018, 10:05 PM
Replies: 39
Views: 2,447
Posted By bobxyz
All sorts of wiring diagrams and other good info...

All sorts of wiring diagrams and other good info is available at: http://volvowiringdiagrams.com/

The EZ116K box conditions the VR CPS signal using an analog comparator setup as a zero crossing...
Forum: aftermarket engine management 07-24-2018, 09:51 PM
Replies: 5
Views: 494
Posted By bobxyz
You want to plumb it so: wastegate goes to...

You want to plumb it so:
wastegate goes to common port
turbo compressor goes to port that flows to common port when not energized
3rd port open (not blocked)

When no power is applied, it...
Forum: maintenance & nonperformance 07-23-2018, 10:16 PM
Replies: 12
Views: 571
Posted By bobxyz
It sure sounds like the tach is drawing too much...

It sure sounds like the tach is drawing too much power and killing the spark. Normally, the tach is a very small electrical load compared to the several amps of current needed to charge the coil. ...
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