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9.39 at 150 today

andrewtac

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1st run tried first gear leave, spun bad got out.
2nd run below, 2nd gear leave. Trans wasn't quite right, 2-3 shifted way early (6200, I think) and 3-4 hit the limiter (8200). Anyways, wanted a low 9, just barely in there. The chin splitter, and skid plated ripped off on the big end, went under the car. Not really sure what happened, I have the BMR kmember and had the skid plate fastened with zip ties in the back per the instructions. Decided not to go again as the hood looked like it was going to fly off when it hapened. I was going to try to tighten up the suspension and maybe go back to 1st gear leave.

Screenshot_20211212-112021_HRP Slips.jpg
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Rental18GT

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Nice! That MPH really indicates it's making good steam.
 

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andrewtac

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Andy13186

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Nice, why do you think the shifting was off? Slipping clutches or just tune not accounting for converter or something? Sounds like the time could improve but thats already a great time.
 
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andrewtac

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Nice, why do you think the shifting was off? Slipping clutches or just tune not accounting for converter or something? Sounds like the time could improve but thats already a great time.
Maybe tune related. Got a new one with more pressure, could be as I have gone up in power that needed to be increased. Also, they adjusted shift points. It is fast. There is probably a little left in it. Bouncing off the limiter on 3-4 probably cost a little, the 2-3 short shift maybe. It probably had a little left in it. I have a couple more pullies to try, but didn't want to until everything else was good. I also have a nitrous kit that I was saving for the motor being built. I might try to sneak into an 8 before the built motor.
 

80FoxCoupe

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Maybe tune related. Got a new one with more pressure, could be as I have gone up in power that needed to be increased. Also, they adjusted shift points. It is fast. There is probably a little left in it. Bouncing off the limiter on 3-4 probably cost a little, the 2-3 short shift maybe. It probably had a little left in it. I have a couple more pullies to try, but didn't want to until everything else was good. I also have a nitrous kit that I was saving for the motor being built. I might try to sneak into an 8 before the built motor.
I would work on the 60ft before adding power. You look to be about 850whp, should go 1.30 60ft at that power. That would put you at 9.0x
 

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80FoxCoupe

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Here is a comparable slip from when i ran in that range.

IMG_20191119_202040.jpg
 
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andrewtac

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I would work on the 60ft before adding power. You look to be about 850whp, should go 1.30 60ft at that power. That would put you at 9.0x
Agree it should get there. I needed a few runs to try to tune the suspension some and go to the 1st gear leave. We have 2 more rentals before it closes for good. I will try to go to the 1/8th track if the weather is good to experiment some. It should hook in 1st with prep.
 
 




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