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Thread: Replacing Intake, throttle body- questions?

  1. #51
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    Quote Originally Posted by Aerocoupe View Post
    42’s were for the eventual move to the now current 331 and a buddy sold them to me cheap. 30’s will get you what you need.
    Thanks for the help. I ordered a set of Bosch 30lb injectors. I'll just sell the 24lb injectors. Most of the changes to the motor came about because I didn't want to 1/2 build a motor for the TC.

  2. #52
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    Quote Originally Posted by tommym View Post
    Thanks for the help. I ordered a set of Bosch 30lb injectors. I'll just sell the 24lb injectors. Most of the changes to the motor came about because I didn't want to 1/2 build a motor for the TC.
    Which Bosch injectors did you end up buying?
    '88 Thunderbird LX: 306, Edelbrock Performer heads, Comp 266HR cam, Edelbrock Performer RPM intake, Edelbrock 70mm TB, 76mm C&L MAF, 30lb injectors, 2.5" exhaust, AOD with 2800 PI converter, 8.8 with 3.73 gears, 31 spline Traction-Lok, 31 spline Moser axles, 04 Cobra front arms, Maximum Motorsports extreme duty rear arms, subframes.
    '11 Focus, '12 Mustang 3.7, '17 Accord EX-L V6

  3. #53
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    Quote Originally Posted by thunderjet302 View Post
    Which Bosch injectors did you end up buying?
    The red top ones for the GT 5.0 and 4.6 Cobra.

  4. #54
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    Quote Originally Posted by tommym View Post
    The red top ones for the GT 5.0 and 4.6 Cobra.
    You found new ones? Where?

    If you want to run it before you tune the car send the MAF back to Pro-M to get it calibrated for the 30lb injectors.
    '88 Thunderbird LX: 306, Edelbrock Performer heads, Comp 266HR cam, Edelbrock Performer RPM intake, Edelbrock 70mm TB, 76mm C&L MAF, 30lb injectors, 2.5" exhaust, AOD with 2800 PI converter, 8.8 with 3.73 gears, 31 spline Traction-Lok, 31 spline Moser axles, 04 Cobra front arms, Maximum Motorsports extreme duty rear arms, subframes.
    '11 Focus, '12 Mustang 3.7, '17 Accord EX-L V6

  5. #55
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    I was going to upload some pictures of my progress building the new motor for the Turbo Coupe but it looks like I can only upload one picture at a time. So that means multiple posts. Is there a way to upload multiple pictures on one post?

  6. #56
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    you can delete all the vacuum solenoids, but leave the egr sensor connected or you will get a CEL. EGR does not need to move, just needs to have sensor value within normal range. Could probably just plug in a sensor and tape it to the harness?

  7. #57
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    This will work as well: https://lmr.com/item/LRS-9428A-EP/Mu...tor-Plug-86-93

    Been running one for several years (It was $19 when I bought it, not $30). It triggers a code 33, which disables the EGR function in the EEC but doesn't trip a check engine light.

    On my car I ended up removing all the Thermactor solenoids and vacuum lines in addition to removing the EGR, EGR solenoid, and the lines to the EGR. There is a lot less vacuum lines under the hood. The only vacuum lines are one to the FPR, one for the canister purge, the PCV lines, and then a line to the firewall vacuum tree. Vacuum tree has a line to the brake booster and one to the blend door. Plus when you ditch the Thermactor air pump and lines you have much, much easier access to the spark plugs on the passenger side.

    Edit: As a side note if you delete the EGR you must block off the flow of exhaust gasses into the intake, either at the cylinder head or by capping the area on the EGR spacer where the EGR valve sat.
    '88 Thunderbird LX: 306, Edelbrock Performer heads, Comp 266HR cam, Edelbrock Performer RPM intake, Edelbrock 70mm TB, 76mm C&L MAF, 30lb injectors, 2.5" exhaust, AOD with 2800 PI converter, 8.8 with 3.73 gears, 31 spline Traction-Lok, 31 spline Moser axles, 04 Cobra front arms, Maximum Motorsports extreme duty rear arms, subframes.
    '11 Focus, '12 Mustang 3.7, '17 Accord EX-L V6

  8. #58
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    i dono guys, i never ever experienced all that head gasket stuff people keep talking about on the 3.8L.

    for two less cylinders you get the same fuel economy as the 5.0L.... i did an efficiency comparison in college about this topic as one of my technical writing assignments.

    the means to get trapped power out of the 3.8L is very non intrussive and easy , not saying there is much there but there is a few things to do.

    discarding the original CFI in trade for the 5.0L CFIr
    swap in your green top injectors into the 5.0L CFI
    remove the injector screens
    gut the cats
    short belt it by removing the smog pump pully and pry off the plastic fan impeller.
    last .... eventually swap in the 3.8L supercharged fuel pump and get away from the stock 65LPH version.

    thats it.


    To me, ive actually described a situation that basically says, why bother with the 3.8L when you have the same fuel economy results on the 5.0L.

    if you want more power, then go v8 as the base.

    if you dont care about time slips and can get a good deal on a 3.8L, go for it.

    I think the 3.8 is really dependable,, and i was always facinated by how the oil pump on them was external and fully replaceable right after you remove the oil filter, because the oil pump is right there.

  9. #59
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    Ron Francis makes a EGR Eliminator, EB-75, $35, so you don't get a light. I am eliminating the EGR valve, solenoid, smog pump, thermactor system. Retaining the charcoal canister and purge valve. I registered the TBird as a "classic vehicle" so I don't have to smog it. Only limitation is "less than 5000 miles/year". Hell I've put less than 10,000 since 2005.The Trick Flow Track Heat heads I'm using have no provision for smog. Finally got the motor put together yesterday after the machine shop screw up. I'll start taking the car apart Monday or Tuesday. I'm hoping for a 3 week turnaround?
    Anyone have recommendation for frame connectors?

  10. #60
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    Global West but as many will tell you they are not cheap. I like them as they are round tube, full length, fully powder coated (need to grind that off to weld), and do not hang below the existing stock subframes.

    http://www.globalwest.net/1980-88thunderbird.html

    If you do not weld and exhaust shop can install them but I would do it with the carpet removed.

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