1967 326 engine 2 speed powerglide. When I drive the car for a while and it heats up, when I shut the engine off and try to re- start it will turn over very slowly like if the battery was low on charge. It only happens on hot days and when the car has warmed up. If I let it sit for a few minutes it will turn over strong again . I’ve replaced many parts trying to correct this issue. New battery , starter , new heavy duty 1.0 battery cables , Ford Solenoid Kit with heavy duty wires, more shims in starter, new coil, removed and cleaned all body ground wires , and new thermostat for heating . None of this has corrected the issue. I’ve seen many post on here having this issue, but unsure if anyone been able to find the fix. Any advise would be greatly appreciated.. Thank you all
Carlos 1967 Coupe 326 1967 Conv.326 carlito121@msn.com
I cured mine with the same problem with 1 gauge cables and a 1000 CA battery. It was fine for about 10 years and now it’s doing it again. It’s a mystery why ponchos are afflicted with this. My motor is getting swapped this winter and I will be replacing everything. Hopefully I won’t have the issue any more. The high compression 428 in my GTO turns over fine. Go figure.
One thing to try is one of the mini high torque starters. They are pricy though. Butler sells a modified one that fits better than other’s
Why does it occur for do many now and wasn’t a problem in the 60’s? Maybe something with today’s gas?
I'm sure its due to Covid. Everything else seems to be...
I used to be indecisive. Now I'm not sure. I feel like I am diagonally parked in a parallel universe. 1968 400 convertible (Scarlet) 1976 T/A - 455 LE (No Burt) 1976 T/A New baby, starting full restoration. 1968 350 - 4 speed 'vert - 400 clone (the Beast!) 1968 350 convertible - Wife's car now- 400 clone (Aleutian Blue) (Blue Angel) 2008 Durango - DD 2008 GXP - New one from NH is AWESOME! 2017 Durango Citadel - Modern is nice! HEMI is amazing! 1998 Silverado Z71 - Father-daughter project 1968 400 coupe - R/A clone (Blue Pearl) (sold) 1967 326 convertible - Sold 1980 T/A SE Bandit - Sold
I often recall this hot start issue in the past. And why “it wasn’t a problem in the 60s” as much as now. And like Bob mentioned “maybe today’s gas” IMHO it absolutely has to do with gas/octane. As well as heat and timing. In my early Pontiac days (70s) I ran #16, #48, #62 and #670 high compression iron heads, and found the hard start issues on hot summer days. I also found that while having this issue if I reached in and retarded my timing a couple of degrees the engine would start right up even while hot. The stater is still hot, so, the only thing this would change is the ignition spark happening later. Since high engine heat (hot summer day) low octane (today’s fuel) and timing advance exacerbate preignition, why else would retarding the timing solve the problem, unless it were a preignition event? Try backing off the timing, running higher octane fuel, lower temp thermostat or all of the above. Best of luck, let us know.
