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Thread: What will it run?????

  1. #1
    Senior Member SENIOR BUILDER
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    What will it run?????

    I have a 225 hardtail dragster, 540 Merlin III heads, 14.5 comp. .817-.793 7/4 swap 284-292 @0.50, 6000 stall hughes converter, 4.10 gear, 15x33 tire 1150 APD alky carb. Car will be used mostly for 1/8 mile.
    OSCA PROSTREET CHAMPION 2006
    4.87@143.50 1.13 ALL AT 3200LBS

    2009 PRO STREET CHAMPION LONDON DRAGWAY 4.69 @153.00 3200LBS

    2011 LONDON DRAGWAY RECORD HOLDER IN PRO STREET 4.66 @153.00

  2. #2
    Senior Member DYNO OPERATOR
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    I think it will be 4.90"s to 5.0's
    Maybe some mid to high 80's depending how good the heads are.

  3. #3
    Senior Member RACING JUNKIE
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    Re: What will it run?????

    Quote Originally Posted by SPEEDNEEDS1
    I have a 225 hardtail dragster, 540 Merlin III heads, 14.5 comp. .817-.793 7/4 swap 284-292 @0.50, 6000 stall hughes converter, 4.10 gear, 15x33 tire 1150 APD alky carb. Car will be used mostly for 1/8 mile.
    4.80s hardtail with a front suspension, car cant weigh a lot.

    I do think a good change later on is a set of dart 355 heads for it.
    David Lanning
    IHRA NHRA 387B

    Fleenor Racing Transmission
    419-280-1406
    Lanning Electric
    Complete Drag Car Wiring
    APD Race Engines
    www.apdracing.com

  4. #4
    Senior Member SENIOR BUILDER
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    Thanks for the replies, I am hoping for 4.90's. I agree with the head change, the Merlin's look good though, John at APD done a valve job, and some bowl blend work on the heads a couple of weeks ago and he said they should have no problem making 850-875. I am planning to switch to a set of Head Hunters and make it a 582 if everything works out with it this summer. Thanks Allen
    OSCA PROSTREET CHAMPION 2006
    4.87@143.50 1.13 ALL AT 3200LBS

    2009 PRO STREET CHAMPION LONDON DRAGWAY 4.69 @153.00 3200LBS

    2011 LONDON DRAGWAY RECORD HOLDER IN PRO STREET 4.66 @153.00

  5. #5
    Senior Member RACING JUNKIE
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    I'm with hammertime . . unless the car's a leadsled, it ought to run 4,80's in respectable air . .

  6. #6
    Senior Member SENIOR BUILDER
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    Hope to test at London dragway next weekend if I get my trans. done and have no unexpected problems. I will post results as soon as I get them!!
    OSCA PROSTREET CHAMPION 2006
    4.87@143.50 1.13 ALL AT 3200LBS

    2009 PRO STREET CHAMPION LONDON DRAGWAY 4.69 @153.00 3200LBS

    2011 LONDON DRAGWAY RECORD HOLDER IN PRO STREET 4.66 @153.00

  7. #7
    Senior Member SENIOR BUILDER
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    Off to London Dragway today, I will post results tonight when I get home. I am going to say 4.95, it is supposed to be 85 degrees here today and this is only the second weekend on the race track, so it may not be up to par yet....
    OSCA PROSTREET CHAMPION 2006
    4.87@143.50 1.13 ALL AT 3200LBS

    2009 PRO STREET CHAMPION LONDON DRAGWAY 4.69 @153.00 3200LBS

    2011 LONDON DRAGWAY RECORD HOLDER IN PRO STREET 4.66 @153.00

  8. #8
    Senior Member SENIOR BUILDER
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    It ran 4.88@141.00
    1.08 5
    3.14 8
    4.88 0
    141.00

    Car ran great, no issues at all. However it was really inconsistant. Ran within 3 hundreths every pass, but was up and down .03. It was all in 60ft/330. It only moved .004 from 330 to 1/8 mile all day.

    Had a tire issue with my C07 15x33's (screw in 1 tire) so I put a set of 15x55 D05's on and I don't think it likes them. Car is dead hooked about 20ft and then shakes the hell out of them for another 20 ft. Track was good as no one else was having problems.
    OSCA PROSTREET CHAMPION 2006
    4.87@143.50 1.13 ALL AT 3200LBS

    2009 PRO STREET CHAMPION LONDON DRAGWAY 4.69 @153.00 3200LBS

    2011 LONDON DRAGWAY RECORD HOLDER IN PRO STREET 4.66 @153.00

  9. #9
    Senior Member SENIOR BUILDER
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    so I put a set of 15x55 D05's

    Sorry for typo. I put 15x33 D05's on it.
    OSCA PROSTREET CHAMPION 2006
    4.87@143.50 1.13 ALL AT 3200LBS

    2009 PRO STREET CHAMPION LONDON DRAGWAY 4.69 @153.00 3200LBS

    2011 LONDON DRAGWAY RECORD HOLDER IN PRO STREET 4.66 @153.00

  10. #10
    Senior Member RACING JUNKIE
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    628
    Quote Originally Posted by roadkill2
    I'm with hammertime . . unless the car's a leadsled, it ought to run 4,80's in respectable air . .
    See, us old guys aren't always wrong . . .

    Good job. And it'll get better . . .


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