Looking for help on getting my 60’ down. E85 Hellion TT 6R80

[Off2jail]

Hi guys and girls,

I’m looking for advice on how to get my 60’ down. Fully built E85 Hellion TT with a 6R80 and C02 boost control.

I am running a 305/45R17 ETSR drag radial. 16 psi cold. Full BMR and Kelltrac suspension. Settings is no-prep as our prepped track is essentially as good as a no prep venue.

I left on about 3.5-4 psi and 3000 RPM on the 2-step/transbrake which netted me a 1.6X 60’. This is zero boost on the launch command on the Boost Leash. I added 2 psi dome to my Boost Leash, but a car blew up and I didn’t have enough time to stay around. I figured this setting would put me about 5-6 psi on the launch.

Boost ramp rate was 40 of 50 on my controller.

What would you do next if you had my car? I’ll try it when I get home in September.

Please see attachments.

Thank you.

Shaun

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[Cory S]

No converter and I’m guessing 3.15 gear.

Need more RPM at launch, and if it’s over 4000lb with you in it, 3.31 or 3.55 gear would be beneficial.

 

[K4fxd]

The slo mo doesn't help without also having real time.

 

[Off2jail]

No converter and I’m guessing 3.15 gear.

Need more RPM at launch, and if it’s over 4000lb with you in it, 3.31 or 3.55 gear would be beneficial.

Circle D 1B converter and and 3.31’s with an iron diff and a Wavetrac.

Car was a centri car before the TT kit. Not sure if this converter is ideal.

With some Googling, this is a 3000-3200 stall converter.

 

[Cory S]

Circle D 1B converter and and 3.31’s with an iron diff and a Wavetrac.

Car was a centri car before the TT kit. Not sure if this converter is ideal.

With some Googling, this is a 3000-3200 stall converter.

Needs a transbrake and a 3800-4000rpm leave I’m guessing.

 

[Off2jail]

Needs a transbrake and a 3800-4000rpm leave I’m guessing.

Converter is 3000-3200 stall according to the previous owner.

Car has a transbrake and 2-step.

Shaun

 

[Off2jail]

The slo mo doesn't help without also having real time.

On it. Messaged the photographer that took the slow motion video.

Shaun

 

[Cory S]

You’re not spinning I assume?

 

[Off2jail]

You’re not spinning I assume?

I don’t think so by the looks of the video.

 

[Off2jail]

Full speed video.

 

[Cory S]

Looked good. Just bogged. Definitely seems like a heavy car like mine too. That's why I'm going 3.55's. I'm at 4100lbs.

On those Street R's, you should be able to leave at 7-8psi no problem, maybe a tad more. That should bring the 60' down a bit.

 

[Off2jail]

Looked good. Just bogged. Definitely seems like a heavy car like mine too. That's why I'm going 3.55's. I'm at 4100lbs.

On those Street R's, you should be able to leave at 7-8psi no problem, maybe a tad more. That should bring the 60' down a bit.

Yeah. The car is almost 4200 lbs race weight with me in the drivers seat. All add more boost next time around.

Would you keep the 2-step RPM the same? 3000 RPM?

Shaun

 

[Cory S]

Yeah. The car is almost 4200 lbs race weight with me in the drivers seat. All add more boost next time around.

Would you keep the 2-step RPM the same? 3000 RPM?

Shaun

Yeah, she's a beefer as well. I would try 3400-3500 on the 2-step and bring boost up a couple psi. It will make the converter flash higher as well. Those tires will hold a LOT.....

 

[Off2jail]

Yeah, she's a beefer as well. I would try 3400-3500 on the 2-step and bring boost up a couple psi. It will make the converter flash higher as well. Those tires will hold a LOT.....

I’ll give it a go. I’ll also have my boost ramp rate in at 100%. It was at 80% for that run.

Thanks again.

Shaun

 

[Cory S]

I’ll give it a go. I’ll also have my boost ramp rate in at 100%. It was at 80% for that run.

Thanks again.

Shaun

You'll get it. When are you going next? The air has been JUNK lately. I'm waiting until September.

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