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Thread: e.t estimate

  1. #1
    Senior Member EXPERT BUILDER
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    e.t estimate

    355 4 bolt mains im estimating around 475 500 at the crank.... yes? no? ???
    11:1
    scat forged crank
    pro comp 5140 chromoly i beam rods
    pro comp 215cc aluminum heads 2.02 1.6 valves
    comp 306s 555/555 lift 306 duration
    hurricane style intake
    holley 750
    th350 stage 2 shift kit and 4000 stall
    4.88 gears
    29x12.5 m/t sportsman pros
    3500-3700 lbs aprox.
    max rpm 7000-7200 some where in there

    looking for E.T estimate
    "the only thing that happens to those who wait is that they get older"

    "nitrous is like a hot girl with std's you wanna hit it but your afraid of the consequences"

  2. #2
    I think the crankshaft HP will be more in the 440-450 range. The combination sounds good but your real HP limiting factor is the cubic inches. The other issue I see will be traction. That considered, I would say 7.90 - 8.20, in the 8th. Theoretically, there is more e.t. in that HP. I'm just thinking that without slicks you will not see it...

    Do yourself a favor and keep the max RPM's and shift point more in the 6800 or so range. I don't think there will be a difference in 6800 and 7200, but your engine will last longer at 6800.

    My opinion is worth just what you paid for it.

    Good Luck & Great Racing ! ! !

    Jeff

  3. #3
    Senior Member EXPERT BUILDER
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    just gonna be ran on the street mostly anyway not gonna see 7000 alot like a all out drag car would it's only gonna see that when i need to shut someone up as far as c.i i was gonna go 383 but my machinist said it's a pain in the a$$ to notch the block and it really wouldn't be worth the hassle if it was just gonna be a street car for the most part, the sportsman pros are suposed to have a wrinkle wall design and be a drag compund tire but we will see how it hooks up i guess

    thanks
    -logan
    "the only thing that happens to those who wait is that they get older"

    "nitrous is like a hot girl with std's you wanna hit it but your afraid of the consequences"

  4. #4
    Senior Member RACING JUNKIE
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    The best estimate for any Drag Car's performance comes in the first pass that you make clear through the quarter . .

    Anything before it is a wild assed guess and anything after it is hopeful thinking . .

    Heheheheheheheheheh . . . . .

  5. #5
    Member CRAFTSMAN
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    Quote Originally Posted by hotrod1994
    just gonna be ran on the street mostly anyway not gonna see 7000 alot like a all out drag car would it's only gonna see that when i need to shut someone up as far as c.i i was gonna go 383 but my machinist said it's a pain in the a$$ to notch the block and it really wouldn't be worth the hassle if it was just gonna be a street car for the most part, the sportsman pros are suposed to have a wrinkle wall design and be a drag compund tire but we will see how it hooks up i guess

    thanks
    -logan
    Its not that hard to clearence the block and in my opinion well worth the extra money for the power gain and flatter torque curve.
    This wouldn't have happened if only you had been paying attention!

  6. #6
    Member CRAFTSMAN
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    Quote Originally Posted by hotrod1994
    just gonna be ran on the street mostly anyway not gonna see 7000 alot like a all out drag car would it's only gonna see that when i need to shut someone up as far as c.i i was gonna go 383 but my machinist said it's a pain in the a$$ to notch the block and it really wouldn't be worth the hassle if it was just gonna be a street car for the most part, the sportsman pros are suposed to have a wrinkle wall design and be a drag compund tire but we will see how it hooks up i guess

    thanks
    -logan
    Its not that hard to clearence the block and in my opinion well worth the extra money for the power gain and flatter torque curve.
    This wouldn't have happened if only you had been paying attention!

  7. #7
    Senior Member EXPERT BUILDER
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    yeah im just gonna go 406 i forgot all about the 400 block i had out back
    "the only thing that happens to those who wait is that they get older"

    "nitrous is like a hot girl with std's you wanna hit it but your afraid of the consequences"

  8. #8
    Senior Member RACING JUNKIE
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    Just guess... in a body @ 3600-3700lbs, @450HP w/488's & 4000 stall you should be able to run 15 seconds or less. :lol: :lol: :lol: :lol: :lol:

    Nah seriously, you will be a serious threat on the street from light to light. Not one kid with a FART CAN & A LAP-TOP will touch you... go get em.
    "I would walk through hell on Sunday before I fear the enemy"

  9. #9
    Senior Member EXPERT BUILDER
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    thats what im lookin to do EAT RICE!!!
    "the only thing that happens to those who wait is that they get older"

    "nitrous is like a hot girl with std's you wanna hit it but your afraid of the consequences"


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