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Thread: 383 tbi ebl flash

  1. #1
    Carb and Points! twistedc1500's Avatar
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    383 tbi ebl flash

    hello there

    I need help with tuning this set up im trying to avoid having someone tune it for me because i want to learn this stuff ive been working on it for a few years on and off a lot of reading lol i get lost and i take a break but now decided to finally post a thread to see if you guys can help me get this right ..... drivability is ok idle is ok cruise is ok im having trouble getting my AE set up correct i know there is more power there just feels like a dog when i try to get on it..... the other day i did a WOT 100% tps 95+ map and it seems like it doesn't want to rev past 3100 rpm and it takes long to get the rpms up im using the vortec timing tables but i don't think that's what i should be using as im running rpm aluminum heads im not sure how to post logs or bins on here (newbie) can someone show me the way... below is some info of my set up let me know what other info is needed also if i can get a estimated HP with this set up so i know what PSI to set my fuel pressure i just started with 18 psi but im sure ill need more?

    1992 chevy c1500 single cab short bed

    383 stroker bbc throttle body 80lb @ 18 psi

    cam # 08-412-8 duration int/ext 264/270 int/ex 212/218 @ 050 valve lift int/ext .487/.495 lobe separation 110 deg rpm range 1200 to 5200

    performer rpm heads 60735 70cc chamber 185cc intake

    performer rpm intake

    mid length headers

    3" exhaust turn down before axle

    700r4 tranny

    10 bolt 3:73 gears

    10:4:1 compression according to summit calculator

    tuning with ebl flash

  2. #2
    Carb and Points! twistedc1500's Avatar
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    heres a log not sure if I did it correctly
    Attached Files Attached Files

  3. #3
    Super Moderator dave w's Avatar
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    Quote Originally Posted by twistedc1500 View Post
    hello there

    I need help with tuning this set up im trying to avoid having someone tune it for me because i want to learn this stuff ive been working on it for a few years on and off a lot of reading lol i get lost and i take a break but now decided to finally post a thread to see if you guys can help me get this right ..... drivability is ok idle is ok cruise is ok im having trouble getting my AE set up correct i know there is more power there just feels like a dog when i try to get on it..... the other day i did a WOT 100% tps 95+ map and it seems like it doesn't want to rev past 3100 rpm and it takes long to get the rpms up im using the vortec timing tables but i don't think that's what i should be using as im running rpm aluminum heads im not sure how to post logs or bins on here (newbie) can someone show me the way... below is some info of my set up let me know what other info is needed also if i can get a estimated HP with this set up so i know what PSI to set my fuel pressure i just started with 18 psi but im sure ill need more?

    1992 chevy c1500 single cab short bed

    383 stroker bbc throttle body 80lb @ 18 psi

    cam # 08-412-8 duration int/ext 264/270 int/ex 212/218 @ 050 valve lift int/ext .487/.495 lobe separation 110 deg rpm range 1200 to 5200

    performer rpm heads 60735 70cc chamber 185cc intake

    performer rpm intake

    mid length headers

    3" exhaust turn down before axle

    700r4 tranny

    10 bolt 3:73 gears

    10:4:1 compression according to summit calculator

    tuning with ebl flash
    EBL Flash has the ability to auto tune or VE Learn. There should be information from Dynamic EFI on how to use the VE Learn. Most members here at gearhead-efi use TunerPro RT to tune with.

    dave w

  4. #4
    Carb and Points! twistedc1500's Avatar
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    Quote Originally Posted by dave w View Post
    EBL Flash has the ability to auto tune or VE Learn. There should be information from Dynamic EFI on how to use the VE Learn. Most members here at gearhead-efi use TunerPro RT to tune with.

    dave w
    Thanks for the reply .. i know how to use the ve learn feature i need help with the following idle, acceleration enrichment and getting rid of some spark knock around 2000 rpm....my idle is a bit rich i can smell it at a light....as far AE i get hesitaion on a throttle stomp from a stop and cant break the tires loose...on my spark knock it shows up when the engine is up to temp 195t around 1800-2300 rpm 50-70 kpa happend on the highway steady throttle and tip in....also also from a stop if i kind of get on it i get spark knock in the same area.....do you think im running enough fuel pressure ...should i invest in a vacuum reference fuel pressure regulator i need guidance

  5. #5
    Fuel Injected!
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    Get a fuel pressure transducer and log, same with WB if you don't alreaady. Mr Rausher is an excellent resource.

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