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Re: safe speed for a 235?
twotone #1391297 Mon Jan 04 2021 09:10 PM
Joined: Sep 2009
Posts: 356
G
'Bolter
I would have to drive one of our trucks in near stock form at 70+ to be able to truly answer the question, but I can't imagine having to make a sudden steering change or slam on the drum brakes at that speed. I have heard stories about these trucks, being light in the back end, turning circles and even flipping on their sides during panic stop attempts.


-Patrick
1953 Chevrolet 3100
261 / 4-speed / 4:11 / Commercial Red

Re: safe speed for a 235?
Mr. Dane #1391346 Tue Jan 05 2021 02:45 AM
Joined: Jan 2002
Posts: 2,199
C
'Bolter
Just remember, better brakes for faster speeds.


Craig's '50 Chevy 3100 5 window
My truck
If I'm not working on my truck or VW camper, I'm fishing with the wife or smoking Salmon.
Re: safe speed for a 235?
Mr. Dane #1391360 Tue Jan 05 2021 03:52 AM
Joined: Sep 2001
Posts: 31,205
Bubba
If I keep "proper distance" between me and the car in front of me, and, if I am sober and driving "alertly", I can easily make a safe emergency stop at/from 65 mph.

"proper distance" is one car/truck length for every 10 mph.

I do not go over 65 on any road that has cars going/coming in both direction (with no median strip).

I will not tell you my one-time highest-speed on a 5 mile straight run on a country road (no other traffic in either direction).


Tim
1954Advance-Design.com [1954advance-design.com]
1954 3106 Carryall Suburban [stovebolt.com] - part of the family for 49 years
1954 3104 5-window pickup w/Hydra-Matic [1954advance-design.com] - part of the family for 15 years
- If you have to stomp on your foot-pedal starter, either you, or your starter, or your engine, has a problem.
- The 216 and early 235 engines are not "splash oilers" - this is a splash oiler. [chevy.oldcarmanualproject.com]
Re: safe speed for a 235?
tclederman #1391379 Tue Jan 05 2021 01:24 PM
Joined: Feb 2019
Posts: 2,087
P
AD Addict
Originally Posted by tclederman
I will not tell you my one-time highest-speed on a 5 mile straight run on a country road (no other traffic in either direction).

Come on Tim, we’re all friends and we won’t tell! drive


Phil

1952 Chevrolet 3100
Project Journals
Stovebolt Gallery

‘59 235 & hydraulic lifters
“Three on the Tree” & 4:11 torque tube
12v w/ Alternator
Re: safe speed for a 235?
Mr. Dane #1391380 Tue Jan 05 2021 01:29 PM
Joined: Jun 2008
Posts: 344
S
'Bolter
I like to count following distance in seconds rather than car lengths. For me a safe distance is 2 seconds from the car ahead of me. If I am hauling a load I might try to keep 3 seconds apart.

Re: safe speed for a 235?
Mr. Dane #1391385 Tue Jan 05 2021 01:46 PM
Joined: Jan 2016
Posts: 737
D
'Bolter
You have to go with your gut. I have a 100% stock 54 3100. 235 with 3 speed. I am comfortable running 50-55 for extended periods and have gone to 65 but anything over 55 make me uncomfortable. It just "feels" like I am running the engine too hard to maintain for any length of time. The other factor some have eluded to is handling. These trucks were not designed for that type of speed. The brakes, steering and suspension don't perform like a modern vehicle. You really have to be on your toes at higher speeds.


Dave from Northern Kentucky
My 54 3100
Re: safe speed for a 235?
Mr. Dane #1391408 Tue Jan 05 2021 06:55 PM
Joined: Sep 2001
Posts: 31,205
Bubba
Originally Posted by Phak1
Come on Tim, we’re all friends and we won’t tell! drive

93 mph for a few seconds (I checked, my pants were clean afterwards).

Never again - one time by myself and one time with my mechanic/painter friend (a witness/rider) - who was in awe.


Tim
1954Advance-Design.com [1954advance-design.com]
1954 3106 Carryall Suburban [stovebolt.com] - part of the family for 49 years
1954 3104 5-window pickup w/Hydra-Matic [1954advance-design.com] - part of the family for 15 years
- If you have to stomp on your foot-pedal starter, either you, or your starter, or your engine, has a problem.
- The 216 and early 235 engines are not "splash oilers" - this is a splash oiler. [chevy.oldcarmanualproject.com]
Re: safe speed for a 235?
Mr. Dane #1391410 Tue Jan 05 2021 07:34 PM
Joined: Feb 2019
Posts: 2,087
P
AD Addict
Your engine must have been begging for mercy! LOL


Phil

1952 Chevrolet 3100
Project Journals
Stovebolt Gallery

‘59 235 & hydraulic lifters
“Three on the Tree” & 4:11 torque tube
12v w/ Alternator
Re: safe speed for a 235?
Mr. Dane #1391413 Tue Jan 05 2021 07:55 PM
Joined: Feb 2004
Posts: 23,004
H
'Bolter
To gauge how much noise the engine is actually making, take the fan off and then make a highway speed run. If we could figure out how to put a thermostatic fan clutch on that only drives the fan when the air coming through the radiator is hot enough to need the fan (idle/traffic) I believe higher speeds on these old rigs would be much more comfortable.
Jerry


The murder victim was drowned in a bathtub full of Rice Krispies and milk.
The coroner blamed the crime on a cereal killer!

Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
Re: safe speed for a 235?
Hotrod Lincoln #1391497 Wed Jan 06 2021 02:15 PM
Joined: Mar 2019
Posts: 1,296
G
'Bolter
Originally Posted by Hotrod Lincoln
To gauge how much noise the engine is actually making, take the fan off and then make a highway speed run. If we could figure out how to put a thermostatic fan clutch on that only drives the fan when the air coming through the radiator is hot enough to need the fan (idle/traffic) I believe higher speeds on these old rigs would be much more comfortable.
Jerry

Ive been meaning to ask that same question but never got around to it. Is there a known thermostatic fan that would fit a 63 gmc 305e?

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