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Can't decide. Powerglide or 4l80e

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Old Aug 20, 2022 | 11:07 AM
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Default Can't decide. Powerglide or 4l80e

Ok im building a street car. 1000hp at the wheels. Engine setup done. 370ci twin turbo in a 2000 firebird. Power steering full interior. This project will be like a 90% street and 10% track. I'm looking for street ability which i know the 4l80e will work. How would a powerglide work on the street and express way driving. I'm thinking the same as a 4l80e seeing final gear is 1-1 but without overdrive. What's your thoughts?
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Old Aug 20, 2022 | 11:20 AM
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Why would you install a 4l80e and not use overdrive? 90% heavy streetcar driven on the express way I will take overdrive with a lock-up converter every time. With a powerglide you would have to make too many compromises.
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Old Aug 20, 2022 | 02:09 PM
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90% street? Definitely 4L80e.

50/50% track / street on a serious weight loss program? Powerglide.
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Old Aug 20, 2022 | 03:10 PM
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Originally Posted by bbond105
Why would you install a 4l80e and not use overdrive? 90% heavy streetcar driven on the express way I will take overdrive with a lock-up converter every time. With a powerglide you would have to make too many compromises.
I never said I wouldn't use overdrive. If I do the 4l80e I would absolutely use the overdrive. I was just seeing my options seeing I already have the torque converter and mount for a powrglide because my car was set up for mostly track use but now I want mostly steer use. These 2 transmission will determine also if I go with a non trans control computer like the hp or a trans control computer like the terminator x max.
Thanks for your input though.
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Old Aug 20, 2022 | 03:12 PM
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Originally Posted by n2xlr8n66
90% street? Definitely 4L80e.

50/50% track / street on a serious weight loss program? Powerglide.
thanks
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Old Aug 20, 2022 | 03:36 PM
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Originally Posted by bumpin_records
Ok im building a street car. 1000hp at the wheels. Engine setup done. 370ci twin turbo in a 2000 firebird. Power steering full interior. This project will be like a 90% street and 10% track. I'm looking for street ability which i know the 4l80e will work. How would a powerglide work on the street and express way driving. I'm thinking the same as a 4l80e seeing final gear is 1-1 but without overdrive. What's your thoughts?
PG doesn't have OD or lockup converter so it won't be anywhere near the same as a 4L80E.

If you were doing limited highway driving but mostly street the TH400 would be a better choice than a PG in a full weight Firebird.


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Old Aug 20, 2022 | 06:03 PM
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Originally Posted by bumpin_records
Ok im building a street car. 1000hp at the wheels. Engine setup done. 370ci twin turbo in a 2000 firebird. Power steering full interior. This project will be like a 90% street and 10% track. I'm looking for street ability which i know the 4l80e will work. How would a powerglide work on the street and express way driving. I'm thinking the same as a 4l80e seeing final gear is 1-1 but without overdrive. What's your thoughts?
Misunderstood what you were trying to say here, but anyway answer is still the same.
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