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    Page 8 of 8 FirstFirst ... 3 4 5 6 7 8
    Results 141 to 149 of 149
    1. #141
      Join Date
      Oct 2004
      Location
      NJ
      Posts
      765
      Country Flag: United States
      Quote Originally Posted by TBART70 View Post
      Trying to tune 548 ci. BBC with edelbrock proflo XT intake. Was dynoed with 850 Holley and Victor Jr. Intake. Made 663hp and 720 ft. lbs. According to Holley I have to run open loop at idle because of the cam. I did that and changed the tune and at least it idled now. I did not drive it yet because I still need to shake out some gremlins on the whole car. I was told I have to tune idle fuel map myself because I had to limit self learn to 1500 rpm and above. Still trying to figure out how to do that.

      Thanks for the help.
      -Tom
      this

    2. #142
      Join Date
      Mar 2015
      Location
      FL
      Posts
      318
      Country Flag: United States
      Quote Originally Posted by TBART70 View Post
      Got the motor together and dynoed. Not with the injection like I wanted, but a much bigger intake this time. New cam and solid lifters, better ported heads, hone job, rings, bearings, new springs. 252 @ .050 261 @ .050. lift .672 before lash and deflection. 110 LSA.

      It made 739.9 hp and 727.8 tq. hopefully easier to tune with injection, more street able.
      Awesome numbers.

      What kinda headflow are you getting now?
      What's the RPM of peak power?
      Any pics of the setup and dyno plot?
      -Mitch
      G8 GXP, White Hot, Auto, bone stock
      68 Firebird, 428 Pontiac, CNC'd KRE Al d-ports, hyd roller, EFI, TKO600, TCI Eng complete chassis, Ridetech, Kore3 C6Z brakes, C5Z 18" with 315 rivals x4, C6zr1 mufflers
      RRR, NASA HPDE https://youtu.be/DPp1l9-FuNE

    3. #143
      Join Date
      Oct 2004
      Location
      NJ
      Posts
      765
      Country Flag: United States

    4. #144
      Join Date
      Apr 2001
      Location
      The City of Fountains
      Posts
      15,971
      Country Flag: United States
      Bit of a pissing match over there. Lol..

      What kPa do you think it will idle at now?

      Andrew
      1970 GTO Version 3.0
      1967 Cougar build
      GM High-Tech Performance feature
      My YouTube Channel Please Subscribe!
      Instagram @projectgattago
      Dr. EFI
      I deliver what EFI promises.
      Remote Holley EFI tuning.
      Please get in touch if I can be of service.

      "You were the gun, your voice was the trigger, your bravery was the barrel, your eyes were the bullets." ~ Her

    5. #145
      Join Date
      Oct 2004
      Location
      NJ
      Posts
      765
      Country Flag: United States
      Yes it is. But I am happier with it. Hopefully it will show up in the car. I think it will make a touch more vacuum, but it wasn't that bad before I took it out. Just other issues to fix. I am optimistic that the old tune is a good starting point for it now.

      Thanks to you guys here and a few on other boards, I have a better starting out point. Should be running in a week or two.

      Andrew, how is everything going?

    6. #146
      Join Date
      Apr 2001
      Location
      The City of Fountains
      Posts
      15,971
      Country Flag: United States
      Quote Originally Posted by TBART70 View Post
      ....

      Andrew, how is everything going?
      Life is good...Send me a text and we can catch up...

      Andrew
      1970 GTO Version 3.0
      1967 Cougar build
      GM High-Tech Performance feature
      My YouTube Channel Please Subscribe!
      Instagram @projectgattago
      Dr. EFI
      I deliver what EFI promises.
      Remote Holley EFI tuning.
      Please get in touch if I can be of service.

      "You were the gun, your voice was the trigger, your bravery was the barrel, your eyes were the bullets." ~ Her

    7. #147
      Join Date
      Oct 2004
      Location
      NJ
      Posts
      765
      Country Flag: United States
      Quote Originally Posted by andrewb70 View Post
      Life is good...Send me a text and we can catch up...

      Andrew
      We will talk soon.

    8. #148
      Join Date
      Mar 2015
      Location
      FL
      Posts
      318
      Country Flag: United States
      I'm not a member there and therefore cannot see the pics. Any info you can cherry pic for us here would be appreciated by many here I'm sure--like maybe the dyno plot pic.

      From what I gathered in the the thread, the heads flow 323 cfm at 0.600 lift on the intake?
      -Mitch
      G8 GXP, White Hot, Auto, bone stock
      68 Firebird, 428 Pontiac, CNC'd KRE Al d-ports, hyd roller, EFI, TKO600, TCI Eng complete chassis, Ridetech, Kore3 C6Z brakes, C5Z 18" with 315 rivals x4, C6zr1 mufflers
      RRR, NASA HPDE https://youtu.be/DPp1l9-FuNE

    9. #149
      Join Date
      Oct 2004
      Location
      NJ
      Posts
      765
      Country Flag: United States
      https://speedtalk.com/forum/download/file.php?id=15376

      https://speedtalk.com/forum/download/file.php?id=15375

      https://speedtalk.com/forum/download/file.php?id=15351



      https://speedtalk.com/forum/download/file.php?id=15352

      The heads flowed worse than what he started with, the valve job was done and picked up cfm before they were flowed and ported.

      Let me know if you can see the pics, I am having trouble resizing them.


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