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  #1  
Old Jun 24th, 07, 8:22 AM
69-CHVL 69-CHVL is online now
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Vinny Vince
 
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Default 1000 ft to 1/4 calculator

Whats the ET conversion from 1000' to 1/4 mile? I ran 10.92 1000' before I almost lost the car. This was with a '60 of 2.2
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  #2  
Old Jun 24th, 07, 8:38 AM
magna19 magna19 is offline
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Default Re: 1000 ft to 1/4 calculator

Depending on your stall, gears, tire size, and among other things it is probally in the 12.85-13.00 range.
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  #3  
Old Jun 24th, 07, 8:43 AM
magna19 magna19 is offline
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Jerry
 
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Default Re: 1000 ft to 1/4 calculator

After further review of a few time slips I have and DD. I say 12.89
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  #4  
Old Jun 24th, 07, 9:09 AM
Harold Sutton Harold Sutton is offline
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Default Re: 1000 ft to 1/4 calculator

Very low 13s.
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  #5  
Old Jun 24th, 07, 9:22 AM
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Vinny Vince
 
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Default Re: 1000 ft to 1/4 calculator

Weird - the previous time I was out my 1000' was 11.03 and I ran 13.1. Figured this was a little better at 10.97, but I basically coasted the last 400-500 ft.

These 2.2+ '60's don't seem to be helping a whole lot huh?
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  #6  
Old Jun 24th, 07, 9:40 AM
magna19 magna19 is offline
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Default Re: 1000 ft to 1/4 calculator

That comes to 870-920 ft. if you coasted that much. With the 2.2 60's and 10.97 1000' your mph is probally getting you in the 12.90's. Let er run out the door. Hard to guess unless you ran the full 1000'. Good Luck
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  #7  
Old Jun 24th, 07, 3:10 PM
thunderstruck507 thunderstruck507 is online now
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Default Re: 1000 ft to 1/4 calculator

Friend of mine ran 10.83 in the 1000ft and the best he ran the night we went to Tulsa was a 13.01 because the track was so damn rough it was throwing him into wheel hop going to 2nd gear so he was letting out a bit.

This is with 2.0 60ft in a 6 speed/LT1 with hotcam swap into a 92 RS camaro on 265 bfg traction t/a street tires.
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  #8  
Old Jun 24th, 07, 5:38 PM
Harold Sutton Harold Sutton is offline
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Default Re: 1000 ft to 1/4 calculator

Quote:
Originally Posted by thunderstruck507 View Post
Friend of mine ran 10.83 in the 1000ft and the best he ran the night we went to Tulsa was a 13.01 because the track was so damn rough it was throwing him into wheel hop going to 2nd gear so he was letting out a bit.

This is with 2.0 60ft in a 6 speed/LT1 with hotcam swap into a 92 RS camaro on 265 bfg traction t/a street tires.
That surprises me because most guys say Tulsa is pretty good since it was repaved. Is he sure his car's allignment isn't off? My sons car run mid nines on the motor at Tulsa and doesnt have much trouble going straight down the track at 145+ MPH.
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  #9  
Old Jun 25th, 07, 12:34 AM
thunderstruck507 thunderstruck507 is online now
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Kevin
 
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Default Re: 1000 ft to 1/4 calculator

Quote:
Originally Posted by Harold Sutton View Post
That surprises me because most guys say Tulsa is pretty good since it was repaved. Is he sure his car's allignment isn't off? My sons car run mid nines on the motor at Tulsa and doesnt have much trouble going straight down the track at 145+ MPH.

this was over a year and a half ago...not sure when it was repaved

I'm sure a lot of trouble is in his suspension but he usually runs the 1000ft at Centerville, AR and doesn't have the same trouble there
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  #10  
Old Jun 25th, 07, 12:51 AM
dirtlips408 dirtlips408 is offline
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Ron
 
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Default Re: 1000 ft to 1/4 calculator

What kind of tires are you running street or DR's??
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  #11  
Old Jun 25th, 07, 7:56 AM
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Vinny Vince
 
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Default Re: 1000 ft to 1/4 calculator

Quote:
Originally Posted by dirtlips408 View Post
What kind of tires are you running street or DR's??
Me?

I was running BFG radial T/A's, 16 psi. I cam out easy and got a 2.2 - not bad for a stick. Best I could do with BFG DR's was 2.0.

.2 is a big deal though, but now as much as I would of liked.
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  #12  
Old Jun 25th, 07, 8:54 AM
GRN69CHV GRN69CHV is offline
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Default Re: 1000 ft to 1/4 calculator

Keep in mind, even thought the trans has a deep first gear, he only runs a 3.31 gear out back. At some point, a swap to 3.90-4.10 is going to make it an entire different ride.
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  #13  
Old Jun 25th, 07, 10:01 AM
dirtlips408 dirtlips408 is offline
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Ron
 
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Default Re: 1000 ft to 1/4 calculator

Quote:
Originally Posted by 69-CHVL View Post
Me?

I was running BFG radial T/A's, 16 psi. I cam out easy and got a 2.2 - not bad for a stick. Best I could do with BFG DR's was 2.0.

.2 is a big deal though, but now as much as I would of liked.


Was the 2.0 with DR's becuase of tire spin??? If so what was the tire pressure?? Some 1.8-1.9 should not be much of a probelm once you get the launch technique down. As far as the reg BGF T/a those tires flat out dont hook and are hard as a rock. Id slap the DR's back on. With a TKO and a healthy 454 there is no way those t/a's are goona hook...to much TQ.
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  #14  
Old Jun 25th, 07, 1:19 PM
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Vinny Vince
 
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Default Re: 1000 ft to 1/4 calculator

The 2.0 on DR's was done w/a slow release at about 3000rpm, and about 16psi. Any higher rpms or side stepping would just blow the tires off, and I could actually get them spining in 2nd gear. BFG DR's just dont work for my application, but they would work great in an auto car.
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  #15  
Old Jun 25th, 07, 1:38 PM
Harold Sutton Harold Sutton is offline
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Default Re: 1000 ft to 1/4 calculator

Quote:
Originally Posted by 69-CHVL View Post
The 2.0 on DR's was done w/a slow release at about 3000rpm, and about 16psi. Any higher rpms or side stepping would just blow the tires off, and I could actually get them spining in 2nd gear. BFG DR's just dont work for my application, but they would work great in an auto car.
From what i hear the D/R tires like more air pressure, (about 18-20 lbs.), and could cure most of your tire spin and improve handling too. The street radials might like even more pressure, follow the manufacturers recommendations as lowering pressure on a radial hurts the traction a lot.
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