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#1
10-23-2002, 11:25 PM
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Guess the 1/4 Time....
Okay.. I picked up a 72 Challenger Drag Car... recently as I got a smokin deal on it and could not pass up an Ebody. Here's what it came with... (Car is clean as well....)
Race Weight (w/me in it) 3370LBS. 440 (12.5 to 1 TRW SLUGS)... 906 UNPORTED but shaved .050 heads. Claimed a true 12.5:1 compression. 2 " Hooker Super Comps... Edelbrock TM7 w/ Holley HP 1000 CFM Unilite Distributor... ProMaster Coil... Solid cam .514 lift.. unknown duration and unknown why such a small cam? oh well... 727 w/ 4500 Stall B&M 9" convertor. TurboAction Brake. 8 3/4 rear end w/5.13 gears.... 31X13 Mickey Thompsons.... I ran it at 1200 ft above sea level....(Topeka Kansas)... What do you think it should have run???? Any Guesses? 
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#3
10-24-2002, 12:58 AM
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12.54
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#5
10-24-2002, 01:17 AM
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11.73 ----- where's my t-shirt?
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#6
10-24-2002, 02:29 AM
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Good Guesses... I already have a good set of ported 452's and a solid roller cam to put in it...
***** and the WINNER IS.......................... ***** It ran an 11.70.... w/ 1.58 60ft times... and 112.5 is the correct MPH... of course the thing was redlined way before the traps... 5.13 gears a bit much... Good Baseline though! It looks like 340Duster1 was almost exactly on.. and Cuda66273 has the MPH...!!!!!! Not a bad car for $4K.... Except all the rubber is rotting out it including the tires... Winter Project time...
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#7
10-24-2002, 04:13 AM
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Jeeze i can't believe I was 5 hundreths of a mile per hour off on my calculations........It must be late......I Know! I forgot to calculate in the worn out tires...you did't tell me that!
I actually thought the gear would run out just past the 1/2 track and you would sit at 6500 all the way to the stripe...... ...so now what? More tire or less gear? Nice buy!
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#8
10-24-2002, 09:58 AM
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Even us circle trackers know a little about drag racing.....
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#10
10-24-2002, 01:19 PM
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Less gear... I think that 456's should about do it ...
This 440 just keeps reving... I've had it over 7000 RPM but opt not to do that... I don't know why it didn't throw a rod...must be a MOPAR... For this heavy rotating assembly, this 440 just doesn't need that kind of RPM.. I would think 6500 Redline would be fine and the mods on the motor and the new gears should put it back in the curve... ... Time to get to work...
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