Motronic FI on a 2.4 in a GT - Page 9
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Thread: Motronic FI on a 2.4 in a GT

  1. #161
    Just Some Dude in Jersey The Scifi Guy's Avatar
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    Oh good, nice simple idea!

    I'll have to talk with Charlie to make sure he provides me with an oem hose outlet fitting for me to mod or check to see if the NPT mod was done to that outlet.


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  3. #162
    Just Some Dude in Jersey The Scifi Guy's Avatar
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    Pictures of my rebuilt 2.4 engine. Look how clean it is.

    Rebuilt 2.4 1.jpg Rebuilt 2.4 2.jpg


  4. #163
    1000 Post Club kwschumm's Avatar
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    Purty!
    Thurston County, WA, effective motto: "Gophers, Gophers Über Alles"

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  6. #164
    Just Some Dude in Jersey The Scifi Guy's Avatar
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    WOW! CHECK THIS OUT!

    My engine doesn't have a serial number! Charlie thinks that it must have been a warranty replacement engine from the factory. No wonder it's so clean. WOW! I've never heard of such a thing! He also says that the date on the engine: 25.8.93(Aug 25, 1993) is the day after his birthday and 3 days after my birthday(The year is off by a few decades.....)


    Engine numbers 1.jpg Engine numbers 2.jpg



  7. #165
    Bikini Inspector Frozen Tundra GT's Avatar
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    Quote Originally Posted by The Scifi Guy View Post
    WOW! CHECK THIS OUT!

    My engine doesn't have a serial number! Charlie thinks that it must have been a warranty replacement engine from the factory. No wonder it's so clean. WOW! I've never heard of such a thing! He also says that the date on the engine: 25.8.93(Aug 25, 1993) is the day after his birthday and 3 days after my birthday(The year is off by a few decades.....)


    Engine numbers 1.jpg Engine numbers 2.jpg


    why not titled Gordeaux's efi adventure???

  8. #166
    Just Some Dude in Jersey The Scifi Guy's Avatar
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    I'll have to come up with something clever for that spot.....


  9. #167
    Just Some Dude in Jersey The Scifi Guy's Avatar
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    Hooray! OGTS IS AWESOME!

    They had the oem block heater outlet tube I was looking for!

    oem block heater outlet (1).jpg oem block heater outlet (2).jpg

    Now I don't have to make my own tube!



    I don't know if '75's had these or whether or not this is from a '75 or an actual 2.4, I'm just glad I have it. I'll clean and polish it up and probably coat it with the silver engine paint I'll use when I paint the new engine.

    My car will also have a factory replacement Omega engine compartment wiring harness, new in the bag, from OGTS. There's a lot of unique connectors on the Motronic that are hard to find here and the new harness will save us from having butt connectors everywhere to splice in those connectors.


  10. #168
    Bikini Inspector Frozen Tundra GT's Avatar
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    Quote Originally Posted by The Scifi Guy View Post
    Hooray! OGTS IS AWESOME!

    They had the oem block heater outlet tube I was looking for!

    oem block heater outlet (1).jpg oem block heater outlet (2).jpg

    Now I don't have to make my own tube!



    I don't know if '75's had these or whether or not this is from a '75 or an actual 2.4, I'm just glad I have it. I'll clean and polish it up and probably coat it with the silver engine paint I'll use when I paint the new engine.

    My car will also have a factory replacement Omega engine compartment wiring harness, new in the bag, from OGTS. There's a lot of unique connectors on the Motronic that are hard to find here and the new harness will save us from having butt connectors everywhere to splice in those connectors.

    if this is on passenger side rear, make sure you use high temp silicone heater hose. Irmscher GT sprung a leak at that tube becuase of heat exposure/cycles. It was a major bear to wrestle to replace.

    I elected to delete this connection and do bypass up front for this reason.
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  11. #169
    Just Some Dude in Jersey The Scifi Guy's Avatar
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    I hope I can remember where all this stuff goes......

    oh boy. The parts pile on my workbench is growing. Various little widgets for doing AN fitting stuff, plus clamping gizmos for fuel lines that I'll probably never use now that I don't need to run a fuel return line. I couldn't find one of those coil dress up kits at the local auto stores(basically a roll of mirror finish stainless sheet metal and a hose clamp), so I bought some shiny tape to try to dress up one of the weird coils I have to use. Bad idea, it came out all wrinkly. It's a very low ohm coil with twin spade connectors at the +/-, Charlie wants to use this type because wire harness will plug into it. Arrgghh, it also has a tiny 1/8" post inside the spark plug hole, my normal spark plug wire tips won't grab it. @#$%! I think Charlie said that this style was used on VW's. F-in PIA! He gave me a spark plug wire that had the small tip and suggested that I try to extract it and swap it onto my thicker MSD coil wire. Well, I did it, but I don't trust it, I'm trying to get small tip from MSD that fits their fat wires. I also got 3 feet of flexible stainless heater hose, so that I can do the both the upper and lower radiator hoses with shiny stuff. And I got a 36" polished braided universal throttle cable from Lokar. As a later side project, I had stripped the license plate lights off of the Manta and I'm toying with the idea of putting them on my car. I don't have the rear bumperette lights or bumpers, so I've been using LED plate lights that bolt to the license plate bolts. They didn't illuminate very well and are starting to degrade, so I'm looking to upgrade.


    parts (1).jpg parts (2).jpg parts (3).jpg parts (5).jpg parts (4).jpg
    Last edited by The Scifi Guy; 6 Days Ago at 07:47 AM.
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  12. #170
    RunOpel dpre's Avatar
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    Wow that is going to be a nice set up Gordo. What a beautiful engine. Any idea what your car will be worth when your finished. Oops, I didn't mean finished,
    because I'm sure you will never be finished.
    Dan
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  13. #171
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    Quote Originally Posted by dpre View Post
    Wow that is going to be a nice set up Gordo. What a beautiful engine. Any idea what your car will be worth when your finished. Oops, I didn't mean finished,
    because I'm sure you will never be finished.
    Dan
    Lucky guy, I was Finnished the day I was born. Jokes aside, the engine looks great.
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  14. #172
    Just Some Dude in Jersey The Scifi Guy's Avatar
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    What's it worth?

    Q: What would it cost to pay someone to make a replica of it?
    A: About $100,000.

    Q: What did it cost me to make it?
    A: All my Opeling these past 10+ years led or contributed to this car's creation. Let's say $40,000.

    Q: What would someone pay me for it?
    A: I don't think any GT in the U.S., no matter how show room new, low in mileage, and stock, or tricked out to the max with the finest work and parts possible, would get more than $15,000. But, I'll betcha I could find a rich guy in Europe who might give me $30,000. It would be really hard to find that one special buyer.

    Q: What's it worth to me?
    A: Priceless.

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  15. #173
    Just Some Dude in Jersey The Scifi Guy's Avatar
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    Quote Originally Posted by Commodåren View Post
    Jokes aside, the engine looks great.

    Don't be so sure!

    I might totally screw up the build and it will look like complete crapp.

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  16. #174
    4,000 Post Club norbertone.gt371's Avatar
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    Gordon
    All your stuff looks so great.I hope for you that all all the luck is with you.
    What is with the 2.2 engine?
    Goes with the wagons?
    My mosly stock swap is done in short time.My first drive will be at our meeting held in Otterndorf Sep.22.2019
    My son will bring me with the Benz,we will see

    Hope so
    Norbert
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  17. #175
    Just Some Dude in Jersey The Scifi Guy's Avatar
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    Charlie's dipstick mod

    Another Charlie mod.

    I don't know why Charlie felt that the in-the-block tube for the dipstick was inadequate. He did have to drill the block for the dipstick and maybe he didn't have the tube that OGTS used on my previous engine or maybe he just didn't trust that type to stay put. He does favor a GM or Ford stick-out-of-the-block type and it IS chromy. His solution was to use a flared copper tube, for the in-the-block routing of the dipstick, and the GM/Ford outside-the-block extended tube inserted into the copper and then bolted to the block at the unused old starter bolt hole.

    Charlie's dipstick mod 1.jpg Charlie's dipstick mod 2.jpg Charlie's dipstick mod 3.jpg Charlie's dipstick mod 4.jpg

    It's not totally wackadoodle, PJ did something similar with an added brace for the in-the-block tube

    PJs dipstick mod 1.jpg PJs dipstick mod 2.jpg

    I wasn't all that crazy about the heavy sword handle mod that my previous engine had:

    Opel 2.5 engine photo shoot (18).jpg

    It was too close to my chrome-modded starter and scratched away at the domed mirror I have on the front of it. It WOULD be nicer to have a longer, easier to reach, dipstick though......and a little extra chrome don't hurt neither.
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  18. #176
    Just Some Dude in Jersey The Scifi Guy's Avatar
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    Quote Originally Posted by norbertone.gt371 View Post
    Gordon

    What is with the 2.2 engine?
    I exchanged the 2.2 purchase for a 2.4. I basically have two 2.4's right now. The old 2.4 was incorrectly modded to 2.5 and had too much compression and maybe it's head or block wasn't flat enough. That engine will get a normal 2.4 rebuild with original 2.4 stuff, get tested on the engine stand to make sure all was well, and then I will sell it.

  19. #177
    Just Some Dude in Jersey The Scifi Guy's Avatar
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    My new engine being built up on a test stand in preparation for being tested and broken-in. It's unpainted with temporary peripherals, I'll paint it all silver just like my previous engine. I'll mostly build it up in my basement with most of it's FI stuff connected, so that I can conjure up a way to connect and operate the throttle and route the cable to the pedal. Simultaneous with that I have to make brackets to support the fuel rail.

    I plan on driving down to Virginia next weekend to pick it up.


    New 2.4 engine on the test stand.jpg
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  20. #178
    1000 Post Club Vincent's Avatar
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    Quote Originally Posted by The Scifi Guy View Post
    My new engine being built up on a test stand in preparation for being tested and broken-in. It's unpainted with temporary peripherals, I'll paint it all silver just like my previous engine. I'll mostly build it up in my basement with most of it's FI stuff connected, so that I can conjure up a way to connect and operate the throttle and route the cable to the pedal. Simultaneous with that I have to make brackets to support the fuel rail.

    I plan on driving down to Virginia next weekend to pick it up.


    New 2.4 engine on the test stand.jpg
    Great progress! Super interesting thread...
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  21. #179
    RunOpel dpre's Avatar
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    I couldn't agree with you more Gordo, priceless
    Sure enjoy watching your progress as the final product is getting close.
    Dan

  22. #180
    Just Some Dude in Jersey The Scifi Guy's Avatar
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    As near as I can tell, the only hard things remaining to do are routing and setting up the cable throttle and mounting and stabilizing the fuel rail. I just don't have any logical places to bolt that stuff to on the manifold.

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