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Thread: How much boost should I see?

  1. #1
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    How much boost should I see?

    I am getting ready to install an old style Novi 1K on my 93. I will have a AFM powerpipe, steel discharge tube, and a F150 crank pulley. I am curious how much boost I should expect and what kinda power should I see? My goal is 450 rwhp. Will I be close?

  2. #2
    Banned by Admin root's Avatar
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    I would say 9-10lbs, you will be @ 400-415 I think...

    Ian

  3. #3
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    Yea. I was guessing lit might be low 400's but I hope I might make it to 450. I guess I will find out when I get it on. How can I get the boost on up to 12-13 lbs? I am guessing a crank pulley change. Not sure what size though. I don't want something so big that I have to change all other pulleys.

  4. #4
    Senior SCH Member Chuck's Avatar
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    Well I finally hooked up my boost gauge and right now Im at 7#'s of boost.

    That is good for about 400rwhp with custom tune.

    I would think you will atleast need 10#'s to hit that goal.



    1993 notch, 357W forged pistons 9.2-1 comp,Vortech S-trim 3" / 8" pullies, AFR 185 heads, Trick Flow R intake, Anderson B451 cam, PMAS 80mm, 06 PMS, 60# injectors, 3.55 gears and PA SC C4, Dual Walbro fuel system. Best ET 10.35 @ 135mph

  5. #5
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    So your seeing 7lbs with the F150 pulley and no power pipe?

  6. #6
    Senior SCH Member Chuck's Avatar
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    I am going to try the 2.75 after the power pipe.

    I am alittle scared of going to crazy with the boost cause my comp ratio is about 9.75:1 so I think I will stop at 10#'s.

    1993 notch, 357W forged pistons 9.2-1 comp,Vortech S-trim 3" / 8" pullies, AFR 185 heads, Trick Flow R intake, Anderson B451 cam, PMAS 80mm, 06 PMS, 60# injectors, 3.55 gears and PA SC C4, Dual Walbro fuel system. Best ET 10.35 @ 135mph

  7. #7
    Senior SCH Member Chuck's Avatar
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    yep 7#'s no power pipe just the stock plastic jobby.

    Ian read it while I held it to the floor looking straight ahead.
    1993 notch, 357W forged pistons 9.2-1 comp,Vortech S-trim 3" / 8" pullies, AFR 185 heads, Trick Flow R intake, Anderson B451 cam, PMAS 80mm, 06 PMS, 60# injectors, 3.55 gears and PA SC C4, Dual Walbro fuel system. Best ET 10.35 @ 135mph

  8. #8
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    I think my CR may be alittle higher than needed as well. If I could hit the 450 rwhp range, I think I would be happy. (for a little while at least)
    Any idea Chuck on what numbers you are putting down now?

  9. #9
    Senior SCH Member Chuck's Avatar
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    No i wouldnt want to guess.

    It's a hell of alot faster than without the blower on the old engine and I went 12.8 at 108.

    I have way larger traction issues now so its hard to get a good run out of it on radials, it spins pretty bad in third if i put the BTM
    below 1.

    I will know for sure soon I am going to dyno it before and after the power pipe I think.
    1993 notch, 357W forged pistons 9.2-1 comp,Vortech S-trim 3" / 8" pullies, AFR 185 heads, Trick Flow R intake, Anderson B451 cam, PMAS 80mm, 06 PMS, 60# injectors, 3.55 gears and PA SC C4, Dual Walbro fuel system. Best ET 10.35 @ 135mph

  10. #10
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    Cool. I am excited about getting mine on. Keep us updated as the results.

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