I would do some more diagnosis before even considering something internal. A dragging starter? Did you check all your high amperage connections to make sure? Did you check the wires for corrosion (resistance). Check the ground to make sure there is no rust/paint/etc. at the engine end. After that, did you take the starter apart and check the armature to see if it's near its end? Partial short in the coils? Solenoid (if equipped)? All the diagnosis for a dragging starter is in the Chevrolet shop manual. A slow turning engine when only hot sure sounds like a starter problem. This is a common problem on V-8s when the heat shield is deleted and the solenoid gets too hot. In your case, if there is a part in the starter that is "iffy", when it heats up, it exhibits problems. Two other things can cause a starter to drag. Worn bearings (bushings) in the starter and too much ignition advance. That latter is inconsistent starter speed. And yes, a tight engine can cause a starter to drag, but unlikely if this engine has miles on it.
Good luck. Al Jones '50 3100 ________________________________ From: old-chevy-truck@yahoogroups.com [old-chevy-truck@yahoogroups.com] on behalf of Lon Gowan [long...@yahoo.com] Sent: Wednesday, January 02, 2013 8:43 PM To: old-chevy-truck@yahoogroups.com Subject: Re: [old-chevy-truck] Re: Re : was pump & Heating - now Hot starting It's not newly rebuilt. It has maybe 500 miles on it in the last 20 years, before that I don't know. How do I check if it is a Ring or bearing clearance issue? How do i check the Bore sizing? ________________________________ From: "wbn...@sbcglobal.net<mailto:wbnctx%40sbcglobal.net>" <inlin...@sbcglobal.net<mailto:inline_6%40sbcglobal.net>> To: old-chevy-truck@yahoogroups.com<mailto:old-chevy-truck%40yahoogroups.com> Sent: Wednesday, January 2, 2013 6:28 AM Subject: [old-chevy-truck] Re: Re : 235 Fuel Pump, Now Heating Sounds like engine is tight. Is this engine newly rebuilt? How many miles on it? Is it bored oversize? Rings or bearings may not have been correct clearance if bored or crank turned. Hope everyone has a great 2013 truckin'.. Just my Thoughts, Walt --- In mailto:old-chevy-truck%40yahoogroups.com, Lon Gowan <long4vt@...> wrote: > > Bill, good stuff! Thanks again! > It has a key start, no foot pedal. > It takes a long time to get it to start. Yesterday I turned the fan by hand > to try to the starter. My thinking was it had "a bad spot in it". That came > from somewhere deep in memory and could have been nonsence to do. > It did start though. > The starter turns very slow when hot or I should say that's what it sounds > like. I will test it this weekend and watch. I am reasonably sure that it > is not turning when Hot at the same speed when cold. > When I first got the truck the battery cables and Negative pole were the > first thing Nate checked when he came over. I will make sure they are clean, > tight, and making good contact. > > > > ________________________________ > From: "Hanlon, Bill" <Bill.Hanlon@...> > To: "mailto:old-chevy-truck%40yahoogroups.com"; > <mailto:old-chevy-truck%40yahoogroups.com> > Sent: Tuesday, January 1, 2013 4:41 PM > Subject: RE: [old-chevy-truck] Re : 235 Fuel Pump, Now Heating > > > > > I assume your 50 still has a stomp starter. > > First you need to define a bear to start. > > When hot and trying to start, does the starter turn the engine over very > slowly? > Does the starter turn the engine over at a normal rate, but the engine just > doesnt start? > > You do have decent sized battery cables ( 00 gauge, both of them ) and the > negative cable is attached to the engine block, preferably at one of the > starter mounting bolts, I assume. > > From: mailto:old-chevy-truck%40yahoogroups.com > [mailto:mailto:old-chevy-truck%40yahoogroups.com] On Behalf Of Lon Gowan > Sent: Tuesday, January 01, 2013 4:43 PM > To: mailto:old-chevy-truck%40yahoogroups.com > Subject: Re: [old-chevy-truck] Re : 235 Fuel Pump, Now Heating > > > > So, I added fluid to the radiator (It was very low). Stared the truck. let > the fluid flow and added as needed. I let it run for a 40 minutes and no > problem. Temp gauge would rise a little and then drop. I think I'm okay with > all that, but will flush the whole system this weekend just in case. > > Now, here is the next issue. When I run the truck for a while and it if good > a warmed up, I'll stop for a few minutes and when get back in, the truck is a > bear to start. > > So, what causes hard starting when truck is warm/hot? > > Having a blast working on it! Thanks for everyone help! > > Lon > 1950 3100 > 235 6 Volt > > > ________________________________ > From: "mailto:corvallis%40peoplepc.com<mailto:corvallis%40peoplepc.com>" > <mailto:corvallis%40peoplepc.com<mailto:corvallis%40peoplepc.com>> > To: > mailto:old-chevy-truck%40yahoogroups.com<mailto:old-chevy-truck%40yahoogroups.com> > Sent: Tuesday, January 1, 2013 4:25 AM > Subject: RE: [old-chevy-truck] Re : 235 Fuel Pump > > > > There are also thermostats that open up when they fail. Bill in Oregon > > _____ > > From: mailto:old-chevy-truck%40yahoogroups.com > [mailto:mailto:old-chevy-truck%40yahoogroups.com] On Behalf Of John & Joanne > Sent: Tuesday, January 01, 2013 4:21 AM > To: mailto:old-chevy-truck%40yahoogroups.com > Subject: Re: [old-chevy-truck] Re : 235 Fuel Pump > > Lon > > dill a 1/8 hole in the thermostat, stop an air lock, I put a round type temp > gauge under the dash.. > > John > Jeff City MO > 52 3/4 ton chevy truck > ====================================== > -----Original Message----- > From: Lon Gowan <mailto:long4vt%40yahoo.com > <mailto:long4vt%40yahoo.com<mailto:long4vt%40yahoo.com%20%3cmailto:long4vt%40yahoo.com>> > > > To: old-chevy-truck <mailto:old-chevy-truck%40yahoogroups.com > <mailto:old-chevy-truck%40yahoogroups.com<mailto:old-chevy-truck%40yahoogroups.com%0b%3cmailto:old-chevy-truck%40yahoogroups.com>> > > > Sent: Mon, Dec 31, 2012 6:50 pm > Subject: Re: [old-chevy-truck] Re : 235 Fuel Pump > > I changed the pump myself! > Fuel gushed out, but once I got the line higher than the level in the tank > it was fine (I only had a couple gallons in it). > > Had the truck out today. Runs great BUT! I Heard a noise . . . turns out it > was over heating. I was just a couple blocks from home. > I'm letting it cool down in the drivway and will check the coolant. The > gauge stayed below 200 degrees, but I know better than to trust it. > > Anything I should be aware of as I check the radiator and coolant? > > ________________________________ > > [Non-text portions of this message have been removed] > > > > [Non-text portions of this message have been removed] > > > [Non-text portions of this message have been removed] > > > > > [Non-text portions of this message have been removed] > [Non-text portions of this message have been removed] [Non-text portions of this message have been removed] ------------------------------------ Ole Chevy and GMC trucks rule! To unsubscribe, send an email (with no subject, no body, just the email), to: old-chevy-truck-unsubscribe@yahoogroups.comYahoo! 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