What! Another 142 Project Car? - Page 11
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    1. #351
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      Invalid attachment(s)

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    3. #352
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      Quote Originally Posted by craig300 View Post
      Invalid attachment(s)
      I am not sure what is going on. When I check the post the attachments are highlighted in blue and active. If you are logged in to Swedespeed and click on the attachments they should open in a separate window. Why they are not loading into the message window when it first opens must be some configuration problem. If clicking on the attachments doesn't force them to open, post back and I can try reloading the pictures.
      A 142 of course. What do you expect? I'm the 142 guy. / 1971 142 E 102 color

    4. #353
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      Still not working. This is what I get.

      4EA95DFB-CB7D-4FEA-A61C-9CCA0EBF6C50.jpg

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    6. #354
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      I deleted and reattached the files. They appear to be linked correctly now.
      A 142 of course. What do you expect? I'm the 142 guy. / 1971 142 E 102 color

    7. #355
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      Quote Originally Posted by 142 Guy View Post
      I deleted and reattached the files. They appear to be linked correctly now.
      I can see them now, thx.

    8. #356
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      Coil mounting details for apico500

      The bracket is fabricated from 0.0625" thick, 2" aluminum angle from Lowes or Home Depot. The bracket is positioned by two tabs fabricated from 0.125" thick aluminum bent to position the bracket over the plugs and mounted under the retaining screws for the valve cover..

      Mounting tab.jpg

      The nose of the coils fits over the plugs. The two tabs combined with the coil connection to the plugs solidly positions the coils / brackets.

      Plug mounting.jpg

      The two mounting tabs are connected to the angle piece by four flush mounted rivets. The tabs started out as flat aluminum pieces which were bent 'by trial' to position the coils over the plugs.

      Bracket mounting.jpg

      I used a metal hole saw to cut clean holes in the angle to receive the coil bodies. The coils are held in place by 0.25" bolts and I used a rivnut in the angle piece to retain the bolt. The mounting ear on the coil sits about 0.1 - 0.2" above the angle so to keep everything square there is a thin nylon spacer under the ear. I can't remember the exact thickness.

      Coil mounting.jpg

      The plugs on the Denso coil have four wires (Br - Grnd, Various colors - coil trigger, Blu/Yel - tach signal, Blk/Wh - +12 volts). The coil trigger gets the signal from MS. The tach signal is part of the OBDII misfire detection system and is unused. I de pinned the Bly/Yel wire from the plug and filled the hole with RTV silicon to seal it from moisture.
      Last edited by 142 Guy; 11-18-2019 at 02:33 PM.
      A 142 of course. What do you expect? I'm the 142 guy. / 1971 142 E 102 color

    9. #357
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      How did you setup your megasquirt to read an external MAP? Does tunerstudio allow you to select other channels that the PCB mounted MAP sensor? Obviously, there are a few spare channels that the external map can be wired up through.
      Lesky
      '58 PV444
      '73 164E

    10. #358
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      Quote Originally Posted by Lesky View Post
      How did you setup your megasquirt to read an external MAP? Does tunerstudio allow you to select other channels that the PCB mounted MAP sensor? Obviously, there are a few spare channels that the external map can be wired up through.
      No adjustment required. I never installed the Motorola / Freescale / NXP / whatever their name is today in the MS case. I mounted the supplied MPX 4250 MAP sensor on a small piece of circuit board inside a water resistant case and mounted it approximately where the Volvo MAP sensor was located. I used a Deutsche 3 pin sealed connector for the connection. The whole idea of running a hose from the manifold back through the firewall and under the carpet to the area below the passenger seat where the MS is installed seemed like a bad idea - lots of opportunity for pinched hoses. I used the SPR3 free pins on the DB connector for the MAP signal line and ran a jumper to the old sensor location on the circuit board, poached the +5v off of the TPS +5v pin on the DB connector and ran the MAP ground to one of the ground pins on the DB connector.

      That said, you don't need to use the MPX sensor. If you can find a nice weather tight 3 pin sensor that is convenient to use the Tuner Studio Tools / Calibrate MAP window allows you to use just about any sensor in the world. If you don't want to use one of the preset values in the window you can do a custom entry. All you need is the pressure sensor values that give 0 and 5 volts out. Bosch has some nice small ones that mount right on the intake manifold - I think VW & Audi uses them.
      A 142 of course. What do you expect? I'm the 142 guy. / 1971 142 E 102 color

    11. #359
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      Wow nice work! I've missed quite a bit during my hiatus.

    12. #360
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      Quote Originally Posted by Brandom View Post
      Wow nice work! I've missed quite a bit during my hiatus.
      Indeed! Where have you been? Last I recall was the discussion on your compression test numbers.
      A 142 of course. What do you expect? I'm the 142 guy. / 1971 142 E 102 color

    13. #361
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      Well, finally decided on a single life again and also have been trying to moving forwards on building a home where I have space for all these hobbies. I've been crammed in a driveway and two car garage for far too long!! And yes, I ran some compression tests then decided to pull the rocker arm assembly to replace the valve stem seals and get the injectors sent off then the large Volvo experienced a brake failure that I am still beating my head over...so still in progress. haha

      Quote Originally Posted by 142 Guy View Post
      Indeed! Where have you been? Last I recall was the discussion on your compression test numbers.

    14. #362
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      Great work man. It's sad I am a fan of the large Volvo wheel since this means I would be cussing in short order on long drives.

      Quote Originally Posted by 142 Guy View Post
      A little follow-up on the installation.

      It still works; but, its not like I have been driving it a lot, in part because it has been quite hot here (black interior - no AC). I got to thinking about the level of base assist provided by the Versa EPAS unit and also thinking back to the salvage of the unit from the wrecked Versa. It so happens that the tire sizes on the Versa match what I am using on my 142 (185/65 15). So contact patch / drag on turning when parked should be similar (absent differences in camber and caster). The mechanical ratio of the Versa rack versus the Volvo box is an unknown; but, it might be a reasonable guess that the Versa rack might be faster (less mechanical advantage). My recollection from the salvage operation was also that the Versa steering wheel was very small in diameter, perhaps 13". As such, the base assist on the Versa is likely set up for a small steering wheel with a rack that may have a lower mechanical advantage. This may account for what I perceive as a steering effort that is bordering on the light side at highway speeds.

      Unless you are willing to try a rack and pinion installation, you can't really do anything about the Volvo steering box ratios. However, if you are considering the EPAS installation on your 140, I definitely recommend that you ditch the Volvo steering wheel. The Versa lower steering section that replaces the Volvo flexy collapsible thingy does make steering more direct. After some additional driving, I think the stock Volvo hoola hoop steering wheel would make steering on the highway very tiring - too much mechanical advantage. I have an ancient Moto Litta steering wheel. I don't know how Moto Litta specs its diameters; but, the outside diameter is somewhere between 14 - 15 ". Based upon my experience, a steering wheel in the order of 13" might be more pleasant at highway speeds. If you are also running 185 tires the Versa EPAS provides enough assistance that the parking maneuvers will still be quite comfortable with the 13 " wheel.

      The other experimental option is to consider is increasing the amount of caster angle. Increasing caster does tend to increase self aligning when travelling forward at speed. However, I have not thought through the potential negative effects of increased caster.
      1971 Volvo 142e
      1974 SAAB Sonett III
      1975 Volvo C303 / TGB11
      1977 International Scout II
      2016 Toyota 4-Runner Trail

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