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-   -   Powerglide first gear (https://classracer.com/classforum/showthread.php?t=65290)

Hacksaw 02-20-2017 07:51 PM
Re: Powerglide first gear
 
Quote:
Originally Posted by Lenny5160 (Post 527534)
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. ?

Marty Hignight 02-20-2017 09:34 PM
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

Lenny5160 02-21-2017 11:25 AM
Re: Powerglide first gear
 
Quote:
Originally Posted by Hacksaw (Post 527568)
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.

Stirk18 02-23-2017 04:54 PM
Re: Powerglide first gear
 
Quote:
Originally Posted by Tom Goldman (Post 527531)
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

Robbie Welch 03-03-2017 08:01 AM
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?

SmBlkFord 06-19-2017 10:11 AM
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

Jeff Stout 06-19-2017 11:02 AM
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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