speeds
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- Posts: 267
- Joined: December 27th, 2008, 9:30 pm
- Body Type: flatbed
- Model Year: 1930
speeds
so for a standard AA setup, what is an expected speed? Of those who drive your AA, what speeds do you get?
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- Posts: 267
- Joined: December 27th, 2008, 9:30 pm
- Body Type: flatbed
- Model Year: 1930
Re: speeds
This is a standard late 1930 AA with just the 4-speed.
- rollingsculpture
- Posts: 553
- Joined: December 9th, 2008, 7:30 am
- Body Type: platform
- Model Year: 1931
- Location: Takoma Park maryland
Re: speeds
do you have the 736 differential; 5:14 gear ratio
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- Posts: 267
- Joined: December 27th, 2008, 9:30 pm
- Body Type: flatbed
- Model Year: 1930
Re: speeds
I don't know but lets say I do.
- Chris Haynes
- Posts: 2203
- Joined: September 7th, 2003, 5:18 pm
- Body Type: 82A
- Model Year: 1930
- Location: Camarillo, CA
Re: speeds
My AA with high speed gearing was driven on the freeways at 55 MPH for years before I tore it down to rebuild from the ground up.
- Neil Wilson
- Posts: 3062
- Joined: February 5th, 2003, 9:42 pm
- Body Type: 82-A/89-A
- Model Year: 1930
- Location: Boulder, CO
- Contact:
Re: speeds
The information I have (based on gear ratios and engine rpm) is shown below. This does not account for hills!
2600 engine rpm is about maximum for a stock engine. I would not want to run a stock engine at this rpm very much of the time (2200 to 2400 is a better engine rpm in my opinion).
2600 engine rpm is about maximum for a stock engine. I would not want to run a stock engine at this rpm very much of the time (2200 to 2400 is a better engine rpm in my opinion).
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- xAA Truck Speeds - Standard - 2600 engine rpm.jpg (33.73 KiB) Viewed 7229 times
Regards, Neil Wilson
______________________________________
aafords.com@gmail.com - use this email for contact
https://aafords.com/
______________________________________
aafords.com@gmail.com - use this email for contact
https://aafords.com/
Re: speeds
that looks about right for the 6.60 gear.... i'm running around at between 30 and 35..
jeff
jeff
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- Posts: 267
- Joined: December 27th, 2008, 9:30 pm
- Body Type: flatbed
- Model Year: 1930
Re: speeds
Can I decide the gear ratio by counting the ring and pinion teeth?
- Neil Wilson
- Posts: 3062
- Joined: February 5th, 2003, 9:42 pm
- Body Type: 82-A/89-A
- Model Year: 1930
- Location: Boulder, CO
- Contact:
Re: speeds
The gear ratio = ring gear teeth/pinion gear teeth.
Regards, Neil Wilson
______________________________________
aafords.com@gmail.com - use this email for contact
https://aafords.com/
______________________________________
aafords.com@gmail.com - use this email for contact
https://aafords.com/
- TruckMan
- Posts: 132
- Joined: March 10th, 2009, 10:36 am
- Body Type: Garwood Dump
- Model Year: 1928
- Location: Wisconsin
Re: speeds
My 1928 AA with a "B" stamped differetial housing does about 38-40 at a steady pace. By the chart that around 2200 rpm. The old truck doesn't seem to have much more than that to give me, unless it's down hill!
TruckMan
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- Posts: 69
- Joined: June 11th, 2008, 4:28 pm
- Model Year: 1928
- Location: Vancouver, Canada
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Re: speeds
How about the early '28 with 3-speed transmission, dual-drive planetary transmission and worm-drive rear? It should go up hills really well, but I wonder how long it will take to GET to those hills....
- Neil Wilson
- Posts: 3062
- Joined: February 5th, 2003, 9:42 pm
- Body Type: 82-A/89-A
- Model Year: 1930
- Location: Boulder, CO
- Contact:
Re: speeds
All '28/'28 and '30/'31 AA's with a high speed rear axle gears will run at the same basic speed (with about 1 mph).
40 mph is going to be a good crusing speed for a stock engine (on the flat). The only way to get more speed is to use an overdrive and/or a modified engine which can be driven at higher RPM.
40 mph is going to be a good crusing speed for a stock engine (on the flat). The only way to get more speed is to use an overdrive and/or a modified engine which can be driven at higher RPM.
Regards, Neil Wilson
______________________________________
aafords.com@gmail.com - use this email for contact
https://aafords.com/
______________________________________
aafords.com@gmail.com - use this email for contact
https://aafords.com/
Re: speeds
Newbie here, my first post: My AA is a 31, in the family since 34. My Granddad bought it from a mining operation up in Lone Pine that produced the insulators for Champion spark plugs.
It has a B motor, and a hydraulic dump that worked fine last time I drove the truck. I drove it quite a bit as a kid. It would do 45 flat out empty. I once took it to the dragstrip and as I recall it ran almost 30 MPH in about 35 seconds.
My 83 years-young dad just turned it over to me at Christmas time. I drove it into the barn in about 1972, and oiled it up pretty well. The body is very solid, and the engine turns over fine. I will turn it into a pickup & modernize it somewhat while maintaining the 1931 looks, and pass it on to my daughter one day. Hope to keep in in the family another 75 years.
It has a B motor, and a hydraulic dump that worked fine last time I drove the truck. I drove it quite a bit as a kid. It would do 45 flat out empty. I once took it to the dragstrip and as I recall it ran almost 30 MPH in about 35 seconds.
My 83 years-young dad just turned it over to me at Christmas time. I drove it into the barn in about 1972, and oiled it up pretty well. The body is very solid, and the engine turns over fine. I will turn it into a pickup & modernize it somewhat while maintaining the 1931 looks, and pass it on to my daughter one day. Hope to keep in in the family another 75 years.
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- Posts: 267
- Joined: December 27th, 2008, 9:30 pm
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- Model Year: 1930
Re: speeds
greeat story Hardh
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- Posts: 123
- Joined: January 15th, 2003, 6:11 pm
- Model Year: 1930
- Location: Malvern, PA
Re: speeds
I have an early '30 with a low-speed rear end, standard 4-speed, and rock-stock engine. She'll do 35 to 40, but doesn't like to. Sweet spot for cruise seems to be about 25. She'll pull stumps in granny gear though.