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Thread: What to do with intake for a TIII with a distributor?

  1. #1
    Buy my stuff!!!!!!!!!!! :O) Turbo Mopar Vendor turbovanmanČ's Avatar
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    What to do with intake for a TIII with a distributor?

    Ok, finally got to see how close the intake sits to the block and yeah, not much room. Sooooooooo, what options. I have heard of notching or cutting the intake to clear but I was thinking, might as well make a new one. What would be a good size, and being a 2.5L, would this make a difference? I figure I can move the intake out a few inches as the van has lots of room up front. I guess I will cut the runners then weld on a square or round aluminium tubing and go from there. Input would be great.
    1989 FWD Turbo Caravan-2.5 TIII, GT35R, auto, a/c, cruise, pwr windows/locks, fully loaded with interior and ran with full exhaust. RETIRED FOR A FEW YEARS! 12.57@104 :O)
    1984 Chev Getaway van, 6.2 Diesel with a remote mounted turbo setup burning WMO-For sale.
    2003 GSW 2.0L TDI, auto, fully loaded, modified, 360K-wife's.
    2004 GSW TDI, 5 speed, fully loaded, modified.

    Aurora ignition wires for sale. Link to info

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  2. #2
    Heroes never die, they just reload! Turbo Mopar Staff Frank's Avatar
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    Re: What to do with intake for a TIII with a distributor?

    If you weld a new plenum on, go round and go about 3.5liter of volume. Use a 70mm tb neck and a 70mm throttle body.


    Frank
    Frank Katzenberger
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    91 Daytona Shelby - It is getting there

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    "... to get the best out of it, you have to go beyond the line. Where bravery becomes insanity. Shall I turn into this hairpin bend at a 100mph? Why not!"



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    Re: What to do with intake for a TIII with a distributor?

    Why round?
    1989 FWD Turbo Caravan-2.5 TIII, GT35R, auto, a/c, cruise, pwr windows/locks, fully loaded with interior and ran with full exhaust. RETIRED FOR A FEW YEARS! 12.57@104 :O)
    1984 Chev Getaway van, 6.2 Diesel with a remote mounted turbo setup burning WMO-For sale.
    2003 GSW 2.0L TDI, auto, fully loaded, modified, 360K-wife's.
    2004 GSW TDI, 5 speed, fully loaded, modified.

    Aurora ignition wires for sale. Link to info

    Super60 roller cams or custom/billet cams. Link to info

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    Re: What to do with intake for a TIII with a distributor?

    Quote Originally Posted by turbovanman View Post
    Ok, finally got to see how close the intake sits to the block and yeah, not much room. Sooooooooo, what options.
    Check with Wallace at Lonewolf. (You can't have mine )

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    Re: What to do with intake for a TIII with a distributor?

    Quote Originally Posted by powermaxx View Post
    Check with Wallace at Lonewolf. (You can't have mine )
    His won't fit factory A/C, which I am keeping,
    1989 FWD Turbo Caravan-2.5 TIII, GT35R, auto, a/c, cruise, pwr windows/locks, fully loaded with interior and ran with full exhaust. RETIRED FOR A FEW YEARS! 12.57@104 :O)
    1984 Chev Getaway van, 6.2 Diesel with a remote mounted turbo setup burning WMO-For sale.
    2003 GSW 2.0L TDI, auto, fully loaded, modified, 360K-wife's.
    2004 GSW TDI, 5 speed, fully loaded, modified.

    Aurora ignition wires for sale. Link to info

    Super60 roller cams or custom/billet cams. Link to info

  6. #6
    Heroes never die, they just reload! Turbo Mopar Staff Frank's Avatar
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    Re: What to do with intake for a TIII with a distributor?

    Quote Originally Posted by turbovanman View Post
    Why round?
    because i say so.


    it is just easier to work around and in addition, if it is going to be square you should really shape it to a size other then a box. Round is more forgiving in flow characteristics when DIY it.


    Frank
    Frank Katzenberger
    Squirrel Performance - Home of the best turbo calc!!!
    http://www.squirrelpf.com


    91 Daytona Shelby - It is getting there

    87 Shelby CSX #418 - Near stock is a good thing!

    94 Bronco 302 XLT - Shorty Headers, 3" exhaust, cold air intake, & Soft top



    "... to get the best out of it, you have to go beyond the line. Where bravery becomes insanity. Shall I turn into this hairpin bend at a 100mph? Why not!"



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  7. #7
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    Re: What to do with intake for a TIII with a distributor?

    I think keep teh TB size ~ the same as the IC pipe your using

  8. #8
    Heroes never die, they just reload! Turbo Mopar Staff Frank's Avatar
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    Re: What to do with intake for a TIII with a distributor?

    Well but the throttle plates are typically a bit smaller then the throttle body, so a bit bigger is better. Plus this is a new install, so I expect to see 70-75mm piping from his throttle body to his outlet of his intercooler. The turbo to intercooler can be 2.5".


    Frank
    Frank Katzenberger
    Squirrel Performance - Home of the best turbo calc!!!
    http://www.squirrelpf.com


    91 Daytona Shelby - It is getting there

    87 Shelby CSX #418 - Near stock is a good thing!

    94 Bronco 302 XLT - Shorty Headers, 3" exhaust, cold air intake, & Soft top



    "... to get the best out of it, you have to go beyond the line. Where bravery becomes insanity. Shall I turn into this hairpin bend at a 100mph? Why not!"



    Visit the new Knowledge Center today!

    Check out the one and only Shelby Dodge Registry!

  9. #9
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    Re: What to do with intake for a TIII with a distributor?

    Hmmmmmm, really didn't think round to square would make any difference.
    I will reuse my 58mm t/b and I am already running 2.5 inch lower IC pipe and 3inch from IC to t/B.
    1989 FWD Turbo Caravan-2.5 TIII, GT35R, auto, a/c, cruise, pwr windows/locks, fully loaded with interior and ran with full exhaust. RETIRED FOR A FEW YEARS! 12.57@104 :O)
    1984 Chev Getaway van, 6.2 Diesel with a remote mounted turbo setup burning WMO-For sale.
    2003 GSW 2.0L TDI, auto, fully loaded, modified, 360K-wife's.
    2004 GSW TDI, 5 speed, fully loaded, modified.

    Aurora ignition wires for sale. Link to info

    Super60 roller cams or custom/billet cams. Link to info

  10. #10
    Heroes never die, they just reload! Turbo Mopar Staff Frank's Avatar
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    Re: What to do with intake for a TIII with a distributor?

    Dude, if you are building an intake, dont go with the dinky 58mm. You really need the 70mm to maintain a good balance of performance.


    Frank
    Frank Katzenberger
    Squirrel Performance - Home of the best turbo calc!!!
    http://www.squirrelpf.com


    91 Daytona Shelby - It is getting there

    87 Shelby CSX #418 - Near stock is a good thing!

    94 Bronco 302 XLT - Shorty Headers, 3" exhaust, cold air intake, & Soft top



    "... to get the best out of it, you have to go beyond the line. Where bravery becomes insanity. Shall I turn into this hairpin bend at a 100mph? Why not!"



    Visit the new Knowledge Center today!

    Check out the one and only Shelby Dodge Registry!

  11. #11
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    Re: What to do with intake for a TIII with a distributor?

    I didnt realize that you had 3" from IC to TB, any way they had brand new Northstar 75mm TB's on Ebay for $57
    heres what they look like, scrool down 1/3
    http://forums.neons.org/viewtopic.ph...7647&start=800
    there is a wiring diagram also further down, not sure if it will work

    I'm thinking about chopping the TB neck off my Indy and Tigin a 3" 90 w/ a new TB plate for a 75mm, also running a 3"pipe to IC

  12. #12
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    Re: What to do with intake for a TIII with a distributor?

    Quote Originally Posted by Frank View Post
    Dude, if you are building an intake, dont go with the dinky 58mm. You really need the 70mm to maintain a good balance of performance.


    Frank

    Well, I have to maintain some streetability. I will have the opening for a 70mm just in case and use the 58mm for now.
    1989 FWD Turbo Caravan-2.5 TIII, GT35R, auto, a/c, cruise, pwr windows/locks, fully loaded with interior and ran with full exhaust. RETIRED FOR A FEW YEARS! 12.57@104 :O)
    1984 Chev Getaway van, 6.2 Diesel with a remote mounted turbo setup burning WMO-For sale.
    2003 GSW 2.0L TDI, auto, fully loaded, modified, 360K-wife's.
    2004 GSW TDI, 5 speed, fully loaded, modified.

    Aurora ignition wires for sale. Link to info

    Super60 roller cams or custom/billet cams. Link to info

  13. #13
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    Re: What to do with intake for a TIII with a distributor?

    Send me the Intake Simon, me and Phaxtris will make one up for you at a VERY reasonable price we'll use that 4inch pipe that we have for you lol

  14. #14
    Heroes never die, they just reload! Turbo Mopar Staff Frank's Avatar
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    Re: What to do with intake for a TIII with a distributor?

    Quote Originally Posted by turbovanman View Post
    Well, I have to maintain some streetability. I will have the opening for a 70mm just in case and use the 58mm for now.
    Hence why I said good balance. Trust me on this. 70mm is what you want.
    Frank Katzenberger
    Squirrel Performance - Home of the best turbo calc!!!
    http://www.squirrelpf.com


    91 Daytona Shelby - It is getting there

    87 Shelby CSX #418 - Near stock is a good thing!

    94 Bronco 302 XLT - Shorty Headers, 3" exhaust, cold air intake, & Soft top



    "... to get the best out of it, you have to go beyond the line. Where bravery becomes insanity. Shall I turn into this hairpin bend at a 100mph? Why not!"



    Visit the new Knowledge Center today!

    Check out the one and only Shelby Dodge Registry!

  15. #15
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    Re: What to do with intake for a TIII with a distributor?

    I'd have to disagree with you Frank, 70mm is going to be like an on/off switch for throttle, good for a drag car but no way would that work on a street car.

    Also on the volume I've always figured on making the plenum twice the displacement of motor or as close to that as possible. Makes for good power down low that way with short runners. Obviously with shorter runners you can use less plenum, but with shorter runners you'll lose some bottom end. Making the plenum bigger helps with bottom end out of boost

  16. #16
    Heroes never die, they just reload! Turbo Mopar Staff Frank's Avatar
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    Re: What to do with intake for a TIII with a distributor?

    70mm is about 67mm throttle plate. That is only about 13mm larger then his current TB. When you add in the intercooler and piping and the fact that it is an auto, the effects are not going to be that much difference. In addition, that 70mm is going by the HP he wants to target and going by Corky Bell's streetable rule for forced induction motors. If you combine it with a plenum that is between 1.25-1.5 times the displacement, I truely believe it will be responsive, but excellent.


    Frank
    Frank Katzenberger
    Squirrel Performance - Home of the best turbo calc!!!
    http://www.squirrelpf.com


    91 Daytona Shelby - It is getting there

    87 Shelby CSX #418 - Near stock is a good thing!

    94 Bronco 302 XLT - Shorty Headers, 3" exhaust, cold air intake, & Soft top



    "... to get the best out of it, you have to go beyond the line. Where bravery becomes insanity. Shall I turn into this hairpin bend at a 100mph? Why not!"



    Visit the new Knowledge Center today!

    Check out the one and only Shelby Dodge Registry!

  17. #17
    Heroes never die, they just reload! Turbo Mopar Staff Frank's Avatar
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    Re: What to do with intake for a TIII with a distributor?

    There is another problem with plenum's at twice the displacement of the motor. At high boost pressures, your flow qualities into the cylinder are approaching stall from the throttle body to the plenum and can cause in even flow qualities. May provide some awesome down low power, but its about balance.

    1.25-1.50 X displacement coupled with 70mm throttle body is the balance that we seek.


    Frank
    Frank Katzenberger
    Squirrel Performance - Home of the best turbo calc!!!
    http://www.squirrelpf.com


    91 Daytona Shelby - It is getting there

    87 Shelby CSX #418 - Near stock is a good thing!

    94 Bronco 302 XLT - Shorty Headers, 3" exhaust, cold air intake, & Soft top



    "... to get the best out of it, you have to go beyond the line. Where bravery becomes insanity. Shall I turn into this hairpin bend at a 100mph? Why not!"



    Visit the new Knowledge Center today!

    Check out the one and only Shelby Dodge Registry!

  18. #18
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    Re: What to do with intake for a TIII with a distributor?

    Large or a lot of intercooler piping only has good effects on a boosted car. According to Corky my car should have no need and experince added lag from running the 2.5 inch pipes I do but when I installed them and every time I have installed larger I/C pipes on a car spool gets better and throttle response goes up(not just turbo dodges).

    Real world experince tells me different on that. I tried a 58mm TB on a my 16v motor vs 52mm and the 52 provided way more driveablity and I was able to control the engine response and boost twice as well. It might not seem like a lot but it makes a difference.

    The whole point of using large volumed intake manifolds is so you don't have to run retarded amounts of boost to make power on the street. Corky's book was written how many years ago and based on what real world experince? Lots of formula's and science, that doesn't always ring true in the real world. In "my" real world experince everything I have said has made a difference for me. Hell if he had two T3 intake manifolds, I'd happily build one your way and one my way and we can have a shoot out

  19. #19
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    Re: What to do with intake for a TIII with a distributor?

    Quote Originally Posted by Garret View Post
    . Hell if he had two T3 intake manifolds, I'd happily build one your way and one my way and we can have a shoot out
    As a matter of fact, I do have 2 of them,
    1989 FWD Turbo Caravan-2.5 TIII, GT35R, auto, a/c, cruise, pwr windows/locks, fully loaded with interior and ran with full exhaust. RETIRED FOR A FEW YEARS! 12.57@104 :O)
    1984 Chev Getaway van, 6.2 Diesel with a remote mounted turbo setup burning WMO-For sale.
    2003 GSW 2.0L TDI, auto, fully loaded, modified, 360K-wife's.
    2004 GSW TDI, 5 speed, fully loaded, modified.

    Aurora ignition wires for sale. Link to info

    Super60 roller cams or custom/billet cams. Link to info

  20. #20
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    Re: What to do with intake for a TIII with a distributor?

    Well if you'll dyno it I'll do it

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