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My 98 super charged EX

Discussion in 'Elite Explorer Registry' started by 4pointslow, July 1, 2008.

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    1. 4pointslow

      4pointslow Explorer Torture Tester Elite Explorer

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      I drilled two holes in the cam degree wheel to install it to the crank pulley.
      Also found a long bolt and some spacers to attach the pointer, I bent the pointer to make it work this way.
      I was able to stick an extension and 19mm socket through the center hole to turn the crankshaft.
      Almost forgot to mention, the bolt holding the pointer on is a thermostat housing bolt for the 4.0 sohc. It was the longest 6mm bolt I could find.

      IMG_1441.JPG IMG_1436.JPG
       
      Last edited: November 13, 2017
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    3. 4pointslow

      4pointslow Explorer Torture Tester Elite Explorer

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      I never used a degree wheel before so I had fun learning how to do it.
      Bank one went perfect.
      At .050 before max lift the readings was 77.
      At .050 after max lift the reading was 150
      added together 227 then divide by two and I got 113.5
      It is acceptable but I may change it to get it closer to 112.
      If the reading is higher like mine, it is said that the camshaft is retarded.

      When I went to do bank two I had a brain fart and hooked up the dial indicator to cylinder 4 instead of 5.
      After getting really messed up readings I finally called Tom Yentzer at supersix motorsports and a couple of seconds into the conversation I realized I was on the wrong cylinder. I cant believe I did that, I know which cylinders are what and I wasn't even drinking.
      To my defense it was a very cold 40F today, so I blame it on the cold.
      I got the other side checked and it was 116, after two tries I got it to 114.
      I may try to get it closer to 112.
      I will be trying something else out that Tom suggested, bolting the shim plate to the back of the engine so I can install the starter and do a compression test on the engine stand. We will see how that goes tomorrow. IMG_1444.JPG IMG_1445.JPG IMG_1447.JPG IMG_1449.JPG
       
      Last edited: November 13, 2017
    4. vroomzoomboom

      vroomzoomboom Elite Canuck STOCK SUCKS! Elite Explorer

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      98 supercharged 347 sport
      and you didnt paint the block!!!!!!
      lol
       
    5. CDW6212R

      CDW6212R Hauls the mail. Elite Explorer

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      Those are great pictures, love the details.
       
    6. 4pointslow

      4pointslow Explorer Torture Tester Elite Explorer

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      They didn't have grey so I gave up.
      I can see leaking fluids on grey and rust, that's why I don't want black or another color.
      It is probably too cold to paint now anyway, the other night it dropped down to 20F and the highs have been 40F.
      LOL.
      You should see the inside of my engine, looks like new. Even the coolant passages are spotless, no rust or corrosion.
      If I reach my goals this year then maybe next year I will work on making everything look pretty......
       
    7. Dono

      Dono V8 Limited turbo and retired SC 4.0 OHV Elite Explorer

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      Yea, last week we hit 1.2 degrees Fahrenheit at night. I'm not real happy about it.
      Great to hear the inside of your motor isn't showing any impending issues.
       
    8. CDW6212R

      CDW6212R Hauls the mail. Elite Explorer

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      Since the inside is so clean, paint that with the red goop stuff. I'm glad you are tough enough to handle that cold. I hate it when the days are near freezing, that's when it likes to snow.
       
    9. 4pointslow

      4pointslow Explorer Torture Tester Elite Explorer

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      Today I got the cams at 112 on bank 1 (pass side) and 111.5 on bank 2 (drivers side).
      Then I went and attached the shim plate to the back of the engine and bolted up the starter.
      Then I did a compression test with the engine on the stand.
      Passenger side was around 165psi, drivers side was around 180.

      After talking to Tom Yentzer again, I will go at it again tomorrow and try to get the drivers side to 112.
      He stated that a half degree could cause the 15 psi difference.

      He gave me the option to adjust either side, said that if I adjusted the passenger side to get it higher it might be good for 7-8HP.
      However adjusting the drivers side to lower the compression, engine longevity would be the benefit. I choose the latter.

      Here is a picture of the shim plate installed with the starter.

      IMG_1475.JPG
       
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    10. Dono

      Dono V8 Limited turbo and retired SC 4.0 OHV Elite Explorer

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      Here I thought a half a degree difference was probably better than most people would get.
      And half a degree makes that big of a difference. Wow.
       
    11. 4pointslow

      4pointslow Explorer Torture Tester Elite Explorer

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      Yea, I was surprised to hear that too.
      If all goes well I should have it all straightened out tomorrow.
      I can not wait to get the engine back in!!!! so excited to see what this thing can do.
       
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    12. CDW6212R

      CDW6212R Hauls the mail. Elite Explorer

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      Interesting, that accuracy is more important than people think. My wonder has been how close is the TDC tool to true TDC, plus how accurate does each cam tool work along with the TDC tool.

      You have yours down to the single degree, and can test the difference by compression gauge.

      You have the TDC marker secure right, can you get the TDC tool onto the balancer without moving the TDC marker? I'd love to know how close the tool and balancer show the TDC to be, versus the actual TDC location. I've thought that there's a good chunk of power there if the TDC could be more accurately used. I think you are there, I hope I can get mine that close.
       
    13. 4pointslow

      4pointslow Explorer Torture Tester Elite Explorer

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      I had the cylinder head off so I felt TDC, then scribed a mark. After that I put the heads back on and used the piston stop to find the mark was right on.
      Then I installed the crank alignment tool and found it to be off a half a crank degree.

      Tom told me that Comp Cams tries to regrind the cams and align it with the factory timing slots so the tool will get them close.
      He added that they can still be up to 4 degrees off (each cam). That could leave them 8 degrees different from bank to bank and that's why degreeing is needed.

      Now the tool that aligns the cam has play in it. When I first set them up I used that play to advance the cams as much as possible.
      That gave me 113.5 on the passenger side and 116 on the drivers side.
      That was all with the crank set at true TDC.
      The drivers side was so far off I put 3 washers under one side of the cam alignment tool to advance it more.
      That got me to 114.

      After thinking about it I new I could do better.
      To go further I set the crank around 1-2 degrees retarded on purpose.
      Then I set both cams up again using the factory cam alignment tool and reused the 3 washers on the drivers side again.
      This got me to 112 on the passenger side and 111.5 on the drivers side.
      Now that I know I have to get that drivers side to 112 I will remove one washer and try again with the crank set to 1-2 degrees retarded.
      If I hit 12 or 12.5 I will retest compression to see if it matches the 165 psi on the passenger side.

      IMG_1417 - Copy.JPG
       
      Last edited: November 15, 2017
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    14. CDW6212R

      CDW6212R Hauls the mail. Elite Explorer

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      I understand, and that's logical to make the timing correct.

      I knew there was some variance in how the timing could end up, I thought the TDC tool was the biggest possible error. My tool will move a little based on how it's located on the balancer. That's why I wanted to use a degreeing wheel, which I haven't used in 20 years(it's in a box somewhere).

      Thanks for the great pictures too, that will help a lot of people.
       

      Elite Explorer members see practically no ads, can add their own profile photo, upload photo attachments directly to your posts and Media Gallery, create more private Conversations, and more. Join Today. Your support is greatly appreciated.
    15. 4pointslow

      4pointslow Explorer Torture Tester Elite Explorer

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      So today I was at it again, ended up removing all the washers and the compression did not come down.
      I even bought a battery charger with a 200 amp cranking feature to make the engine crank fast and steady.
      I decided to oil up the cylinders, so I squirted about a teaspoon into each cylinder and then rotated the engine by hand a few times.
      Then I cranked the engine over with all the spark plug holes open to expel any excess oil.

      To my surprise after all that I did a compression test again and now the passenger side came up to 180 and matched the drivers side.
      I am going to check compression again tomorrow and if it is still good I will set the drivers side back closer to 112 and retest compression.
      If it still stays the same then I will keep it there.
      Here's hoping that tomorrow I will be able to say I am done with the cams and can start putting it back together.
       
    16. ahodges

      ahodges Elite Explorer

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      Awesome attention to detail. This is why you can pull off the seemingly impossible.
       
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    17. 4pointslow

      4pointslow Explorer Torture Tester Elite Explorer

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      Well, just so everybody knows that things go wrong for me too.....
      The Motorcraft water pump and Motorcraft lower radiator hose I ordered off eBay turned out to be the wrong ones.
      I had to run to Advance Auto for a new pump and hose. I think someone jinxed me. lol.
      Advance had a CARQUEST water pump with a lifetime warranty, lol.

      Then this thing tore a slash in my middle finger just to the right of my nail.
      I swear this happened to me the last time I used this engine stand.
      I replace the ring (with sharp end), with a keychain ring that looks much safer.
      That other ring is now in the trash.

      IMG_1504.JPG IMG_1505.JPG
       
    18. 4pointslow

      4pointslow Explorer Torture Tester Elite Explorer

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      Despite cutting my finger I made good progress.
      This was early this morning, I now have all the hard stuff done including the headers, exhaust pipes, torque converter nuts, starter, AC&PS bracket etc.
      Tomorrow I have some errands to run but hope to get the thermostat housing and lower intake manifold on.
      I am shooting for Atco this coming Tuesday because some weather reports show possible rain for Friday (NOOOOOOOOOOOOOO!)

      IMG_1507.JPG
       
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    19. 4pointslow

      4pointslow Explorer Torture Tester Elite Explorer

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      Tomorrow the hood goes back on and then it is start up time!
      Right on schedule for Tuesday night test and tune!
      I had a fortune cookie tonight, it looks promising. lol.

      IMG_1526.JPG IMG_1530.JPG
       
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    20. Dono

      Dono V8 Limited turbo and retired SC 4.0 OHV Elite Explorer

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      Fantastic!
       
    21. 4pointslow

      4pointslow Explorer Torture Tester Elite Explorer

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      It runs beautifully!
      Just took it on a ride around the block and nothing fell off!
      Time to data log and adjust the tune, it is running a little lean according to the wideband gauge.
       
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    22. Dono

      Dono V8 Limited turbo and retired SC 4.0 OHV Elite Explorer

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      Great work!.
      Huge sigh of relief from the peanut gallery.

      Everything looks so clean.
      Did you manage to get the both cam's degree's exactly the same? I still think 1/2 degree difference is soooo close.
       
    23. CDW6212R

      CDW6212R Hauls the mail. Elite Explorer

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      Excellent, that looks great.
       
    24. ahodges

      ahodges Elite Explorer

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      :thumbsup: Wow! nice work
       
    25. 4pointslow

      4pointslow Explorer Torture Tester Elite Explorer

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      I have the passenger side at 112 and the drivers side at 113, I set the drivers side that way due to higher compression readings on that side.

      The main thing I was even concerned about during the degree process was to be within 5 degrees of spec (112).
      I heard that further out it could lead to engine or valve damage.
      I really liked learning how to degree the 4.0 SOHC, it was challenging but very interesting.
       
    26. vroomzoomboom

      vroomzoomboom Elite Canuck STOCK SUCKS! Elite Explorer

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      so how far into the 12's (also making mine, andy and don's task even harder lol) are you going to chuck it?
      side note
      sucks. reading how everyone still playing with their trucks, meanwhile we have snow, i was near dons place yesterday and saw his truck sitting in his driveway while evil has been sitting in the back yard not started, not moved in around a month now. but i am sure my neighbours couldnt be happier.
       

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