WildBill1949
Forum Newbie
Posts: 43
Loc: Wisconsin
Reg: 03-22-12
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07-20-12 05:35 PM - Post#2250387
I have a 235 in my 49. Still a 6 volt system. Brand new battery. After sitting for a few days, it will start. If it runs for 5-10 min and I shut it off, it will not restart, not enough juice. Lights and everything else work fine, I just get the slow death turn over.
Any thoughts on where to start??
Bill P
Wisconsin
49 Styleline w/ 58 235 engine
69 Corvette Convertible Fathom Green Numbers Matching 350
85 Corvette Z51 |
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 53belair
"2nd Year" Silver Supporting Member
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07-20-12 05:44 PM - Post#2250393
In response to WildBill1949
Is the voltage regulator sticking?
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 2-28s313233
"3rd Year" Silver Supporting Member
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07-20-12 05:57 PM - Post#2250399
In response to WildBill1949
What gauge battery cables do you have and are the connections squeaky clean.?
1928 Chevy touring
1942 Chevy Sport coupe
1949 Chevy Sport coupe
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 Dean50
"6th Year" Gold Supporting Member
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07-20-12 07:14 PM - Post#2250425
In response to WildBill1949
Does your amp gauge go to charge when you rev the engine? Loose belt not spinning the generator enough? Timing too advanced?
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WildBill1949
Forum Newbie
Posts: 43
Loc: Wisconsin
Reg: 03-22-12
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07-20-12 08:48 PM - Post#2250450
In response to Dean50
AMP gauge does go all the way to + when I rev the engine. I cleaned the battery and generator contacts and they are tight. Not sure the gauge of the cable, call it thick. How do I check for a sticking voltage regulator?
Bill P
Wisconsin
49 Styleline w/ 58 235 engine
69 Corvette Convertible Fathom Green Numbers Matching 350
85 Corvette Z51 |
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WildBill1949
Forum Newbie
Posts: 43
Loc: Wisconsin
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07-20-12 08:49 PM - Post#2250451
In response to WildBill1949
The belts are tight as well...no slippage
Bill P
Wisconsin
49 Styleline w/ 58 235 engine
69 Corvette Convertible Fathom Green Numbers Matching 350
85 Corvette Z51 |
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 Keith_Knox
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07-20-12 10:26 PM - Post#2250477
In response to WildBill1949
As Dean50 said. Check your timing for to much advance. this is after it is hot. It will act like the battery is dead.
1948 Chevy Fleetmaster Coupe Purchased 6/2010.
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bobg1951chevy
"6th Year" Silver Supporting Member
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07-20-12 11:02 PM - Post#2250479
In response to Keith_Knox
Go back to the cable question. Thick means little .... go to a tractor supply/feed store, buy 0 gauge or 00 cables. Your battery will thank you.
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50hotrod
"2nd Year" Silver Supporting Member
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07-20-12 11:13 PM - Post#2250484
In response to bobg1951chevy
Starter acting up from engine heat???
Well, you know what's wrong with the world today
People done gone and put their Bible's away
They're living by the law of the jungle not the law of the land
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 2blu52
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07-21-12 05:44 AM - Post#2250511
In response to bobg1951chevy
Go back to the cable question. Thick means little .... go to a tractor supply/feed store, buy 0 gauge or 00 cables. Your battery will thank you.
Or have a shop build them for you. 
"PEACE IS THAT GLORIUS MOMENT IN HISTORY WHEN EVERY ONE STANDS AROUND RELOADING"
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WildBill1949
Forum Newbie
Posts: 43
Loc: Wisconsin
Reg: 03-22-12
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 07-21-12 10:02 AM - Post#2250583
In response to 2blu52
Thanks to all who helped. I will change out the battery cables, as they do appear to be older. Also, I will have to check the timing this week, as I do get a starter grind if I hit my button without waiting for about 30 seconds after I try to start it up. Will let you all know
Bill P
Wisconsin
49 Styleline w/ 58 235 engine
69 Corvette Convertible Fathom Green Numbers Matching 350
85 Corvette Z51 |
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bobg1951chevy
"6th Year" Silver Supporting Member
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07-21-12 10:24 AM - Post#2250589
In response to WildBill1949
Timing and starter grind are unrelated.
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Nailheadv8
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07-21-12 03:26 PM - Post#2250676
In response to WildBill1949
If there are no tractor places nearby, try a marine supply house (boats, not military ) I get a lot of heavy duty stuff from my local one.
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WildBill1949
Forum Newbie
Posts: 43
Loc: Wisconsin
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07-21-12 03:45 PM - Post#2250680
In response to bobg1951chevy
Checked the battery cables just now. It appears to have 2/3 ga written on the terminal contact.
Bill P
Wisconsin
49 Styleline w/ 58 235 engine
69 Corvette Convertible Fathom Green Numbers Matching 350
85 Corvette Z51 |
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53belair
"2nd Year" Silver Supporting Member
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07-21-12 05:44 PM - Post#2250715
In response to WildBill1949
Another thought, check the cable's very well to make sure that no corrosion is inside the insulation where you can't see it. I had a mystery battery/electrical issue once before where that was the culprit. I'd cleaned the terminals and posts regularly and had checked them already. When I was pulling the battery to replace it (deperation...trying everything) I noticed a hairline crack in the insulation behind the terminal clamp. When I peeled it back the copper trands were filled with green corrosion. A new cable cured it.
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Mike JW
Contributor
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Loc: Arroyo Grande, CA
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07-21-12 06:09 PM - Post#2250718
In response to Nailheadv8
Go to a welding supply store buy some welding lead. Auto parts store should have the ends, and make some.
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Zombie Dave
Member
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07-21-12 09:30 PM - Post#2250758
In response to Mike JW
Would this apply for the cables for a 12 Volt system as well?
I'm having electrical problems myself. I hope you get it figured soon!
1952 Chevy Styleline Deluxe Sport Coupe
1956-1962 235 Engine ( I think )
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bobg1951chevy
"6th Year" Silver Supporting Member
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07-21-12 09:54 PM - Post#2250763
In response to WildBill1949
Checked the battery cables just now. It appears to have 2/3 ga written on the terminal contact.
Tooooo light.
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2blu52
"12th Year" Silver Supporting Member
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07-22-12 05:39 AM - Post#2250793
In response to bobg1951chevy
Checked the battery cables just now. It appears to have 2/3 ga written on the terminal contact.
Tooooo light.
you need 02 at a minimum. With 6V you are dealing with Amperage to run the starter so you need a big pipe to supply it.
"PEACE IS THAT GLORIUS MOMENT IN HISTORY WHEN EVERY ONE STANDS AROUND RELOADING"
THOMAS JEFFERSON |
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50hotrod
"2nd Year" Silver Supporting Member
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Loc: Wisconsin
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07-22-12 08:50 AM - Post#2250833
In response to WildBill1949
I have a 235 in my 49. Still a 6 volt system. Brand new battery. After sitting for a few days, it will start. If it runs for 5-10 min and I shut it off, it will not restart, not enough juice. Lights and everything else work fine, I just get the slow death turn over.
Any thoughts on where to start??
Process of elimination is in order here.
You have a new battery...
Battery does not go dead when sitting a few days, you say it starts...so no drain on the electrical system.
Charging system is working according to your dash gauge...and the fact that the lights are always bright...and it starts cold. Sounds like this system is working OK also.
The problem I see is it won't start when the engine is hot.
Tune and time the engine. If that clears up the problem...easy fix. If not,
Change the battery cables and ends if you have any doubt about them. If that clears up the problem...easy fix. If not,
Have that starter checked. Starters are very susceptible to heat malfunction. Good luck.
Well, you know what's wrong with the world today
People done gone and put their Bible's away
They're living by the law of the jungle not the law of the land
"Simple Man" By Charlie Daniels
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WildBill1949
Forum Newbie
Posts: 43
Loc: Wisconsin
Reg: 03-22-12
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07-22-12 11:10 AM - Post#2250860
In response to 2blu52
I see NCA has battery cables. Has anyone used these???
Bill P
Wisconsin
49 Styleline w/ 58 235 engine
69 Corvette Convertible Fathom Green Numbers Matching 350
85 Corvette Z51 |
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mahlmann
"3rd Year" Silver Supporting Member
Posts: 503
Loc: Sunnyvale, CA
Reg: 01-20-11
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07-22-12 12:58 PM - Post#2250893
In response to WildBill1949
As a former Wisconsonian, I feel a need to chime in here. After I rebuilt my '49 Chevy truck, it would not start and had many electrical issues in general. After getting correct gauge 6V cables (I got mine from Chev's of the '40s but I expect Filling Station and NCA are just fine too), making sure ALL connections were clean (including where the starter mounts to the motor), and having new ground straps from frame to block, it started like a champ. The 6V systems can work very well if all the parts are right. I did have a decline in how strongly it kicked over when the starting motor was hot. The V-8's have a heat shield to help with this but our sixes don't. If everything else is solid but you still have hot start problems, it may be time to rebuild the starter motor.
Stay with it, work your way through, and you'll end up with a strong starting motor - you betcha!
Good luck with it!
Mike Ahlmann
Sunnyvale, CA
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bobg1951chevy
"6th Year" Silver Supporting Member
Posts: 5107
Loc: Ellijay, GA
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07-22-12 03:10 PM - Post#2250945
In response to WildBill1949
I see NCA has battery cables. Has anyone used these???
I'm betting you'll pay a hell of a lot more at NCA than at a tractor/feed store in your area.
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bobg1951chevy
"6th Year" Silver Supporting Member
Posts: 5107
Loc: Ellijay, GA
Reg: 02-18-08
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07-22-12 03:13 PM - Post#2250947
In response to mahlmann
As a former Wisconsonian, I feel a need to chime in here. After I rebuilt my '49 Chevy truck, it would not start and had many electrical issues in general. After getting correct gauge 6V cables (I got mine from Chev's of the '40s but I expect Filling Station and NCA are just fine too), making sure ALL connections were clean (including where the starter mounts to the motor), and having new ground straps from frame to block, it started like a champ. The 6V systems can work very well if all the parts are right. I did have a decline in how strongly it kicked over when the starting motor was hot. The V-8's have a heat shield to help with this but our sixes don't. If everything else is solid but you still have hot start problems, it may be time to rebuild the starter motor.
Stay with it, work your way through, and you'll end up with a strong starting motor - you betcha!
Good luck with it!
Recheck to see if the timing is set too far advanced before spending cash on a rebuilt starter. 
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2blu52
"12th Year" Silver Supporting Member
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07-22-12 06:15 PM - Post#2250991
In response to WildBill1949
i had my positive cable built locally for $17.00 (prior to the increase in copper price) How much are the mail order cables and what is cost of shipping?
"PEACE IS THAT GLORIUS MOMENT IN HISTORY WHEN EVERY ONE STANDS AROUND RELOADING"
THOMAS JEFFERSON |
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GottaSS
Forum Newbie
Posts: 54
Reg: 07-16-12
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07-23-12 06:56 AM - Post#2251131
In response to WildBill1949
If, after checking all the electrical stuff mentioned above consider the following.
Starters get hot. Especially if they are next to a set of headers. They expand and freeze up. when the car cools it works as it should. You can buy a heat insulator blanket or cover from a place like Summit to help this out. Shimming the starter may help as well.
I had a Corvette with dual quads that I later changed to a single quad. The fuel feed to the carb was too much and when hot would vapor lock or hydrolock the engine and I got a lazy turn over and no start. When the car cooled it started just fine. I reduced the fuel pressure from the max recommended 6 psi to 3 psi and the problem went away.
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bobg1951chevy
"6th Year" Silver Supporting Member
Posts: 5107
Loc: Ellijay, GA
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07-23-12 09:37 AM - Post#2251185
In response to GottaSS
If, after checking all the electrical stuff mentioned above consider the following.
Starters get hot. Especially if they are next to a set of headers. They expand and freeze up. when the car cools it works as it should. You can buy a heat insulator blanket or cover from a place like Summit to help this out. Shimming the starter may help as well.
I had a Corvette with dual quads that I later changed to a single quad. The fuel feed to the carb was too much and when hot would vapor lock or hydrolock the engine and I got a lazy turn over and no start. When the car cooled it started just fine. I reduced the fuel pressure from the max recommended 6 psi to 3 psi and the problem went away.
Exhaust is on drivers side of engine, starter is on passenger side of engine. This is a 6 cylinder engine.
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-late-
Member
Posts: 162
Loc: Finland
Reg: 10-07-03
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07-23-12 02:04 PM - Post#2251268
In response to mahlmann
A few years back after of rebuild of my ´50 235cid, the engine suddenly seized completely. It took a while to find out that one wire of starter rotor was broken and jammed the starter and thus the whole engine. I couldn´t fix the wire so I cut it. I thought that it doesn´t harm the starter that much.
Later I had to check and replace the battery, check the voltage, current and voltage drop, wires, connections, timing (everything) several times and replace the battery again but I still had problems cranking warm/hot engine. No problems when cold.
An other rotor/anchor (what ever it is, turning part of starter) fixed the problem completely. I never thought that one wire is so important for 6V systems.
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fuzzyff
Forum Newbie
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Loc: CA
Reg: 06-13-12
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07-23-12 05:15 PM - Post#2251368
In response to WildBill1949
you, sir, have Not stated whether it will start again, after it Cools Off, for a while. First of all, you need an Ammeter or Voltmeter, or Both, to get some feedback as to whether the generator is actually charging the battery. Then, you need to check the Connections between battery and Starter. I have a 235 in my 49. Still a 6 volt system. Brand new battery. After sitting for a few days, it will start. If it runs for 5-10 min and I shut it off, it will not restart, not enough juice. Lights and everything else work fine, I just get the slow death turn over.
Any thoughts on where to start??
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50hotrod
"2nd Year" Silver Supporting Member
Posts: 384
Age: 56
Loc: Wisconsin
Reg: 07-25-11
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07-25-12 05:22 PM - Post#2252163
In response to fuzzyff
He didn't say he had to charge the battery either.
Well, you know what's wrong with the world today
People done gone and put their Bible's away
They're living by the law of the jungle not the law of the land
"Simple Man" By Charlie Daniels
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