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-   -   Power glide 1st gear (https://classracer.com/classforum/showthread.php?t=80333)

Bob F 09-14-2021 06:44 AM

Power glide 1st gear
 
What gear do you run?
How fast what weight and what’s your 60’ please..

JeremyDuncan 09-14-2021 07:34 AM

Re: Power glide 1st gear
 
1.98
9.3x @ 3170lbs
1.26 60'

Jeff Kempton 09-14-2021 01:09 PM

Re: Power glide 1st gear
 
1.98 1st gear
11.3 @ 3140lbs
1.53 60'

Andy Friar 09-14-2021 02:13 PM

Re: Power glide 1st gear
 
1.76 1st gear
1.54/1.55 60 ft
best et 11.02 @ 122mph
3400 lbs @ the starting line

69 Chevelle 'stocker' style w/ a trans brake for bracket racing
5.14 rear gear
30 x 9" Hoosier Bias Ply

Adger Smith 09-14-2021 09:30 PM

Re: Power glide 1st gear
 
1.98
9.68 @ 143
3185 lbs
Chevy V-6
https://www.youtube.com/watch?v=eZPI6eCN8pE
You will find a 1.98 has the best gear split of all low geared PG ratios.

Bob F 09-14-2021 09:57 PM

Re: Power glide 1st gear
 
Well it looks like I can change my 1.76 to 1.96 without too much worry then.

AveryMcLawhorn 09-15-2021 01:50 PM

Re: Power glide 1st gear
 
Quote:

Originally Posted by Bob F (Post 647861)
What gear do you run?
How fast what weight and what’s your 60’ please..

Bob the rear gear ratio also plays a huge factor into this. Should the question not be, what is your overall first gear ratio?

Bob F 09-15-2021 07:18 PM

Re: Power glide 1st gear
 
I’d like to change mine to a 1.96 gear from what I’ve read they don’t take much power.
My 396 makes around 600 flywheel hp presently but doesn’t 60’ we’ll 1.45/1.47’s .
I’ve had an Ultimate converter on the shelf for a while.
Once I run that I can look at my next change.
Seems to be a few cars here with quite a bit more power than I getting it done with a 1.96 1st.

Adger Smith 09-16-2021 03:12 AM

Re: Power glide 1st gear
 
Bob,
When you go from a 1.76 to a 1.96 you may need a converter change to get the most out of it. Because of the gear ratio the converter will usually act a few hundred RPM tighter or it might be sluggish pulling off the 1-2 shift. It just depends on what you have and if the converter/engine likes the gear.
I always test one at a time. Watch your flash off the line and at the gear change. there could be a change.
Good luck.

Bob F 09-16-2021 06:53 AM

Re: Power glide 1st gear
 
Thank you Adger.
The overall is 4.57x 1.76=8.043 presently


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