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Old 02-20-2017, 05:51 PM   #11
Hacksaw
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Default Re: Powerglide first gear

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Originally Posted by Lenny5160 View Post
My Super Street car weighs 3575# and runs a 1.80 glide with 4.30 rear gears. I have more power but because of the weight I am only a little quicker on ET. Runs right around 10.30 wide open and goes 10.90 at about 127.

With a Pro Tree transbrake I am leaving at 3800 RPM with .050-.060 in the box, so no problem cutting a light.
With these kinds of numbers, I think you must be running a BB. ?
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Old 02-20-2017, 07:34 PM   #12
Marty Hignight
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Default Re: Powerglide first gear

Thank you for the advice guys, seems a majority is to keep the C4 - this does save me some money to spend elsewhere.
Marty
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Old 02-21-2017, 09:25 AM   #13
Lenny5160
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Default Re: Powerglide first gear

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Originally Posted by Hacksaw View Post
With these kinds of numbers, I think you must be running a BB. ?
Yep, 468 BBC on alcohol. I figure it is just a little under 700 hp.
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Old 02-23-2017, 02:54 PM   #14
Stirk18
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Default Re: Powerglide first gear

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Originally Posted by Tom Goldman View Post
I'd stay with the C4 with the power level you have , No problem hitting the .500 tree with that combo.
I have several Super Street customers who run 3 speed transmissions because their car is a heavy weight .
If it was my car ,I'd keep the C4.


If you dont mind me asking, how are you approaching the Stop set-up with the 3 speeds? Are you running t stop in 1st gear or 2nd gear? How low in the run is the stop coming on for them?

Have a friend who may dabble in this who runs a heavy S/P car (SBC) with a Flying toilet injection system and a 3 speed. Runs 10.60's in 1/4 at 123. We dont run 3 speeds s I'm curious what others are doing with them and the stop?

Thanks,

Andrew
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Old 03-03-2017, 06:01 AM   #15
Robbie Welch
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Default Re: Powerglide first gear

I'm on the stop at 020 and its on for usually between 1.70 to 2.10 then it shifts into second. My car runs 10.teens usually. I here that toilets have to be shut back to idle to work well?
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Old 06-19-2017, 09:11 AM   #16
SmBlkFord
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Default Re: Powerglide first gear

Sorry to high jack the thread, but has anyone ever experienced a much slower rollout when swapping first gear in a powerglide ? Say 1.98 to 1.80 . Thanks guys
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Old 06-19-2017, 10:02 AM   #17
Jeff Stout
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Default Re: Powerglide first gear

To bad I'm in AZ I have a B&M 1.98 glide ,w/brake. Bell housing cracked and welded. Install and dedenbear bell housing and your set. $900 plus shipping which wouldn't make it feasible.
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