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Search: Posts Made By: bobxyz
Forum: maintenance & nonperformance 01-18-2020, 07:18 PM
Replies: 5
Views: 504
Posted By bobxyz
For others looking for the TPS, butterfly, and...

For others looking for the TPS, butterfly, and linkage adjustment procedure, see:
https://www.brickboard.com/FAQ/700-900/EngineFuelinjection.htm#ThrottleBodyandThrottlePositionSwitchAdjustment
Forum: performance & modifications 01-17-2020, 11:02 PM
Replies: 28
Views: 706
Posted By bobxyz
3 months to a road trip --> take the simplest and...

3 months to a road trip --> take the simplest and best proven path, there's alway next Summer's road trip.

If you want more power, it's much easier and cheaper to start with the factory turbo...
Forum: performance & modifications 01-17-2020, 10:20 PM
Replies: 28
Views: 706
Posted By bobxyz
What do you want out of the wagon? Stately...

What do you want out of the wagon? Stately classic? DD? Sleeper? Racecar? Trailer Queen with shiny ITBs and a mirror polished manifold?

How many miles a year? Empty roads or stop-and-go rush...
Forum: performance & modifications 01-16-2020, 11:52 PM
Replies: 28
Views: 706
Posted By bobxyz
:lol: Yes, I was drooling over that wagon 5...

:lol: Yes, I was drooling over that wagon 5 years ago when it was up for sale from the NY Rover dealer. It looked in very nice shape from the pictures, but the dealer never responded to my email...
Forum: performance & modifications 01-16-2020, 09:40 PM
Replies: 28
Views: 706
Posted By bobxyz
Is it this one? ...

Is it this one?
https://i.ibb.co/pRMQLrL/1980-245-DL-NY-31kmiles-8000.png (https://ibb.co/xfBY787)

See this link for EFI conversion of that manifold:...
Forum: performance & modifications 01-15-2020, 01:33 AM
Replies: 6
Views: 498
Posted By bobxyz
Look around mrjaybeeze's site:...

Look around mrjaybeeze's site: ipdown.net/jetronic.info/tiki-index.php
and you'll find .bin EPROM files for various factory LH ECU (Fuel Control) boxes, and EZK (Spark Control boxes), plus info on...
Forum: performance & modifications 01-14-2020, 07:54 PM
Replies: 7
Views: 381
Posted By bobxyz
I haven't personally measured and shimmed a diff...

I haven't personally measured and shimmed a diff VR sensor, but I'd measure depth from edge of hole to a tooth, then measure the sensor mounting flat to tip distance, and subtract to get the...
Forum: performance & modifications 01-14-2020, 09:48 AM
Replies: 7
Views: 381
Posted By bobxyz
Did you swap the differential VR sensor too? If...

Did you swap the differential VR sensor too? If so, is the clearance from tip of sensor to the tone ring correct? (I'm thinking it should be 1mm / 0.040", but I haven't had my coffee yet.)
Forum: performance & modifications 01-13-2020, 10:50 PM
Replies: 13
Views: 832
Posted By bobxyz
Does anyone know what the most recent hardware...

Does anyone know what the most recent hardware and .bin files are for EGR and non-EGR Turbo engines?

In the US, I think the latest EGR setup is the '954 ECU and '207 EZK (both factory chippable)....
Forum: maintenance & nonperformance 01-13-2020, 03:41 PM
Replies: 8
Views: 318
Posted By bobxyz
Ask if they have the key too. If not, you can...

Ask if they have the key too. If not, you can call Thule customer service with the key code (on the key cylinder) and they'll send you a pair of keys for reasonable $$$.
Forum: performance & modifications 01-12-2020, 11:38 PM
Replies: 3
Views: 288
Posted By bobxyz
If you've changed something, you could try...

If you've changed something, you could try pulling the diag codes with key on engine off (probe in hole #6). If you get a 1-1-1 from the EZK, the EPROM is working.

Edit: on second thought, I'm...
Forum: maintenance & nonperformance 01-12-2020, 11:10 PM
Replies: 60
Views: 1,637
Posted By bobxyz
There's an over pressure safety switch (above the...

There's an over pressure safety switch (above the brake pedal IIRC) that turns off the main fuel pump relay if boost pressure gets too high. I don't know what it feels like when it triggers, but...
Forum: maintenance & nonperformance 01-12-2020, 10:03 PM
Replies: 27
Views: 1,182
Posted By bobxyz
Looks good! The "PW 0.006s" on the oscilloscope...

Looks good! The "PW 0.006s" on the oscilloscope is a 6ms pulse width, or 6ms ignition coil dwell time.

As Art said, the signal comes from pin 16 of the EZK. It uses a thick shielded or coaxial...
Forum: performance & modifications 01-12-2020, 09:39 PM
Replies: 3
Views: 288
Posted By bobxyz
The board is installed like this? ...

The board is installed like this?
https://i.ibb.co/McFjGcw/EZK116-PROM-Daughterboard-Installation.jpg

If so, from the back of the EZK box with the cover removed, check that the notch in the EPROM...
Forum: performance & modifications 01-07-2020, 12:38 AM
Replies: 68
Views: 2,412
Posted By bobxyz
The oil passage from block to head jogs over...

The oil passage from block to head jogs over slightly -- your pics show that there's a teardrop shaped relief in both the block and head. If the head is surfaced down much, I think the teardrop in...
Forum: performance & modifications 01-07-2020, 12:01 AM
Replies: 68
Views: 2,412
Posted By bobxyz
These pictures show the divot / relief for the...

These pictures show the divot / relief for the block-to-head oil passage (click for full size or see the original posts).
https://i.ibb.co/QYDPCPR/20200104-004532.jpg (https://ibb.co/QYDPCPR) ...
Forum: maintenance & nonperformance 01-04-2020, 11:46 AM
Replies: 60
Views: 1,637
Posted By bobxyz
I put a couple hose pictures of my '85 kjet turbo...

I put a couple hose pictures of my '85 kjet turbo in this thread: http://forums.turbobricks.com/showthread.php?t=351117
It's not quite the same as a '83, but close.
Forum: maintenance & nonperformance 01-02-2020, 03:33 PM
Replies: 27
Views: 1,182
Posted By bobxyz
This may burn up the RPM signal driver in the...

This may burn up the RPM signal driver in the EZK. Try using a 10000 ohm resistor instead of 50ohms. (A 10volt signal being reduced to 5.1volts across a 50ohm resistor takes ~0.1amps. This is...
Forum: maintenance & nonperformance 01-02-2020, 10:01 AM
Replies: 27
Views: 1,182
Posted By bobxyz
If the voltage is changing, a voltage meter will...

If the voltage is changing, a voltage meter will show the average voltage. For example, if the pin 5 ignition signal is pulsing between 0volts to 5volts the voltage meter will measure around 0.8v. ...
Forum: maintenance & nonperformance 12-31-2019, 10:09 AM
Replies: 27
Views: 1,182
Posted By bobxyz
You have 2 choices: 1) use the EZK to ECU RPM...

You have 2 choices:
1) use the EZK to ECU RPM signal with 2 resistors, or
2) use the signal at the ignition module

For choice #1, you'll need to find the EZK pin 17 to ECU pin 1 RPM wire and...
Forum: projects & restorations 12-31-2019, 01:08 AM
Replies: 285
Views: 102,804
Posted By bobxyz
That looks like a great choice! Nicely sealed...

That looks like a great choice! Nicely sealed up, preset to 6volts and minimal wasted power.
Forum: projects & restorations 12-30-2019, 10:03 PM
Replies: 285
Views: 102,804
Posted By bobxyz
I'd try one of these in a little plastic box: ...

I'd try one of these in a little plastic box: https://www.mpja.com/LM2596-Step-Down-Adjustable-15-37V-DC_DC-Converter/productinfo/30148+PS/

It should stay cool, and only use a little extra power...
Forum: maintenance & nonperformance 12-30-2019, 08:29 PM
Replies: 27
Views: 1,182
Posted By bobxyz
Sorry, my notes, and a quick internet search,...

Sorry, my notes, and a quick internet search, were wrong. The LH2.4 & EZ116K Ignition Module, Bosch # 0 227 100 124, does use a 5volt logic-level input from the EZK box. Pin 5 on the ignition...
Forum: maintenance & nonperformance 12-30-2019, 03:42 PM
Replies: 27
Views: 1,182
Posted By bobxyz
Please post a link to the full details for the...

Please post a link to the full details for the boost controller. A 5volt signal is not normally available in older cars. Tach is usually 12volts, or much higher for coil-driven tachs. ECU to...
Forum: performance & modifications 12-29-2019, 04:31 PM
Replies: 17
Views: 1,142
Posted By bobxyz
Have you tried setting up "Over-Run Fuel Cut"...

Have you tried setting up "Over-Run Fuel Cut" under the Fuel Settings menu?
Forum: performance & modifications 12-27-2019, 02:51 PM
Replies: 25
Views: 1,443
Posted By bobxyz
You can also check that your IAC hoses aren't...

You can also check that your IAC hoses aren't blocked/kinked, and that the connector/wires are good. When you say that you blocked off the PCV on the intake, you mean the small hose nipple, and not...
Forum: performance & modifications 12-27-2019, 02:44 PM
Replies: 25
Views: 1,443
Posted By bobxyz
Both the '556 and '563 ECUs are reportedly prone...

Both the '556 and '563 ECUs are reportedly prone to failure - https://www.volvoclub.org.uk/faq/EngineFIComputer.html
Can you try a different turbo ecu?

You can run either 1) low impedance...
Forum: aftermarket engine management 12-24-2019, 03:03 PM
Replies: 4
Views: 554
Posted By bobxyz
You'll need to talk to the manufacturer -- that...

You'll need to talk to the manufacturer -- that board is probably an unlicensed clone (http://www.msextra.com/clones/), and it's not obvious what circuits they copied and what circuits are their own...
Forum: aftermarket engine management 12-24-2019, 11:35 AM
Replies: 4
Views: 554
Posted By bobxyz
This sounds vaguely familiar. Maybe you have...

This sounds vaguely familiar. Maybe you have some bad component values in the MS2 VR circuit -- IIRC, some capacitor values were changed over time, especially for higher tooth count wheels. I'm...
Forum: maintenance & nonperformance 12-23-2019, 06:58 PM
Replies: 40
Views: 3,488
Posted By bobxyz
Looks like you have a '933 EGR ECU -...

Looks like you have a '933 EGR ECU - https://www.ebay.com/itm/9146222-VOLVO-740-940-ENGINE-CONTROL-MODULE-UNIT-PCM-ECM-ECU/401395944029?epid=1479463825&hash=item5d75100a5d:g:b~0AAOSw0hlZqcuC

As...
Forum: maintenance & nonperformance 12-23-2019, 01:24 PM
Replies: 15
Views: 909
Posted By bobxyz
Sounds like a bad relay. Having both seat belt...

Sounds like a bad relay. Having both seat belt reminder and key reminder not working would need multiple wiring/switch problems. The relays are pricey new, but are rarely reported as failing, so...
Forum: performance & modifications 12-23-2019, 01:14 PM
Replies: 13
Views: 967
Posted By bobxyz
I'm suspicious that the chips are the root...

I'm suspicious that the chips are the root problem. A poor connection in the harness or in the EZK box seems more likely, and swapping chips/boxes just happened to improve the poor connection.
...
Forum: performance & modifications 12-23-2019, 12:48 PM
Replies: 1
Views: 479
Posted By bobxyz
I'd contact Yoshifab and see if they can re-host...

I'd contact Yoshifab and see if they can re-host a good copy of the original The official DSM CAS information and install guide (http://www.forums.turbobricks.com/showthread.php?t=224740) - it looks...
Forum: maintenance & nonperformance 12-20-2019, 02:05 AM
Replies: 26
Views: 1,667
Posted By bobxyz
:lol:    :lol:  &nbs...

:lol:    :lol:    :lol:    :lol:    :lol:    

TB Cheap Fix: ...
Forum: performance & modifications 12-18-2019, 10:11 PM
Replies: 13
Views: 967
Posted By bobxyz
This one ended up being a bad ECU: ...

This one ended up being a bad ECU: https://forums.turbobricks.com/showthread.php?p=6008551

What part number ECU and EZK do you have?

Unlike the above link, the Load/Tq signal goes from the ECU...
Forum: projects & restorations 12-17-2019, 08:06 PM
Replies: 111
Views: 14,038
Posted By bobxyz
Awesome project, thanks for the bleacher seat...

Awesome project, thanks for the bleacher seat build enjoyment!

For the shifters, it's one shifter per axle (L/N/H), right? Is there a lockout to prevent the bad combinations, such as Front Low +...
Forum: performance & modifications 12-17-2019, 12:40 AM
Replies: 13
Views: 1,154
Posted By bobxyz
That sure looks like a ceramic cpu chip on the...

That sure looks like a ceramic cpu chip on the EZK board. I wonder if there's an EPROM window hiding under that label?
Forum: performance & modifications 12-14-2019, 01:03 PM
Replies: 70
Views: 4,472
Posted By bobxyz
Here's a link to a dynamic compression calculator...

Here's a link to a dynamic compression calculator that will also estimate cranking psi: http://www.wallaceracing.com/dynamic-cr.php

I found the estimate to be low for my B21FT in Colorado at...
Forum: maintenance & nonperformance 12-11-2019, 12:29 PM
Replies: 3
Views: 446
Posted By bobxyz
Stuck relay. I think it's a small cube relay by...

Stuck relay. I think it's a small cube relay by the battery in a '92. If the fan is still stuck on, try tapping the nearby relays with a screwdriver handle to see if it will unstick. You can also...
Forum: maintenance & nonperformance 12-11-2019, 10:04 AM
Replies: 43
Views: 2,926
Posted By bobxyz
Sounds like all the tests were done correctly,...

Sounds like all the tests were done correctly, but didn't show any issues. :-(

4. Just to make sure, when at TDC with the disti rotor tip near the scribe mark, did you verify that the #1 cam...
Forum: maintenance & nonperformance 12-10-2019, 10:49 PM
Replies: 11
Views: 826
Posted By bobxyz
Do an ebay search for "4x 6ohm load resistor". ...

Do an ebay search for "4x 6ohm load resistor". 25W is OK, but 50W will dissipate the heat better, especially if mounted closely to a big sheet of metal. Many of the ebay sets come with Scotchlok...
Forum: aftermarket engine management 12-09-2019, 08:38 PM
Replies: 26
Views: 2,998
Posted By bobxyz
Looks fine, nice and compact with everything...

Looks fine, nice and compact with everything labelled. For main battery power, you can either splice a wire into the original fuel pump battery wire (assuming that your original wires are not...
Forum: maintenance & nonperformance 12-09-2019, 08:29 PM
Replies: 14
Views: 2,121
Posted By bobxyz
Thanks for the followup, it sure is an unusual...

Thanks for the followup, it sure is an unusual failure. Hope you didn't pay Programa much for their "services".

What's the ECU number that failed? The '561s have known problems with the fuel...
Forum: performance & modifications 12-09-2019, 08:19 PM
Replies: 13
Views: 892
Posted By bobxyz
Rag, or something else, plugging up the exhaust? ...

Rag, or something else, plugging up the exhaust?
What do the plugs look like?
Forum: aftermarket engine management 12-06-2019, 09:19 PM
Replies: 26
Views: 2,998
Posted By bobxyz
For shielded cable, DIY Autotune has both single...

For shielded cable, DIY Autotune has both single wire (plus shield) and dual-wire (plus shield) cable in 10' increments. I'm assuming it's automotive temperature rated, and cut off a big spool. ...
Forum: aftermarket engine management 12-05-2019, 08:35 PM
Replies: 26
Views: 2,998
Posted By bobxyz
I haven't looked at the MS grounding schemes in...

I haven't looked at the MS grounding schemes in ages so I've forgotten the details. In general, the best configuration for all the low power sensors is to ground them to MS "sensor ground". Some of...
Forum: maintenance & nonperformance 12-05-2019, 06:36 PM
Replies: 43
Views: 2,926
Posted By bobxyz
^^^ sounds like a good plan, you may be able to...

^^^ sounds like a good plan, you may be able to skip some steps based on your latest report. Unplug the injectors if you're using starting fluid or testing spark.

The way I interpret your results...
Forum: maintenance & nonperformance 12-05-2019, 02:31 PM
Replies: 43
Views: 2,926
Posted By bobxyz
ZVOLV's writeup (with cleanflametrap's picture)...

ZVOLV's writeup (with cleanflametrap's picture) is for checking the wire from the coil, which fires 2x per revolution, but you bring up a good point that the OP might as well check for good spark at...
Forum: maintenance & nonperformance 12-04-2019, 11:40 PM
Replies: 43
Views: 2,926
Posted By bobxyz
Given your snowy working conditions, I'd try: ...

Given your snowy working conditions, I'd try:

1) Visually check spark during cranking -- see 1st picture in ZVOLV's No Start thread. Make sure it's firing consistently and rapidly (10ish times...
Forum: maintenance & nonperformance 12-03-2019, 12:37 PM
Replies: 13
Views: 881
Posted By bobxyz
Carefully inspect your rubber engine mounts (one...

Carefully inspect your rubber engine mounts (one on each side) and the rubber auto transmission mount (near driveshaft flange). They're designed to shear in a front end collision. Your description...
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