hardtail help needed

Old 05-08-2010, 06:21 PM
  #1  
holeshotta
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Default hardtail help needed

Am running a 496 chevy in a 225 hardtail. Glide with 5600 stall 4.30 gear, new Hoosier 33.5X17X16. on poor tracks 60 ft is 1.17. went 1.14 today, ran 7.95 @ 166.78 on last pass. Running tires at 5.6 psi. any thoughts on launch RPM or tire pressure? 60 ft is the same leaving at 3500 or 4100. thanks much
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Old 05-09-2010, 07:49 AM
  #2  
hammertime
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sometimes hardtail cars need to hit the tire harder, try 4400ish. Them tires co6's or co7's ?

What are you looking for, more consistent 60ft from good to bad track ? Your converter is tighter then most so its going to affect 60ft a bit more then a looser converter would do.
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Old 05-09-2010, 05:38 PM
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holeshotta
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Default dragster help needed

looking to keep consistent 60' and pick up a bit of ET. i am thinking of a looser converter as well. the tires are CO6 Hoosier. any thoughts on this range of 60 ft times? I ahve only made 60 passes in this car.

thanks
TA
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Old 05-09-2010, 05:43 PM
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hammertime
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was it the same track or a different track ?

My car is what Id call "stupid good" most the time, last weekend at one track it was 1.098-1.101 all day, yesterday at a different track, 1.028-1.036 ... only difference is one tracks 60ft cones are off.

Even on the same track day to day, as long as its consistent all day on that day I wouldnt worry a bunch, but if it starts moving around a lot Id start to worry.


Loose converters are deadly IMO but normally not fast.
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