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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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| | | | Joined: Oct 2011 Posts: 78 Wrench Fetcher | | Wrench Fetcher Joined: Oct 2011 Posts: 78 | Fellow 'Bolters:
Today I succeeded in getting all of the sheet metal surrounding the engine off of the '46 6400. The 1962
235 is now ready to be reborn. The last time it was working was 1975. SO, I have been pumping TriFlow into the spark plug holes for a couple of weeks and my
intention is to "nudge" the harmonic balancer a little each day and try to coax it into moving as a first step toward trying to start it. I put bolts into the threaded holes for the puller and took a length of unistrut I had between these two bolts and began this process but it was solid as a rock, I actually bent the bolts a little. Do you have any tips for me? The starter and wiring are completely out of the picture at this point.
Plus. and laugh if you want to, but I am not 100% positive the transmission is in neutral, let alone the rear end or the PTO the drive line goes through. It feels right but maybe yes, maybe no. One thought I had was to disconnect the drive line ahead of the PTO. Back to basics: engine froze, what steps would you take? Thanks a whole bunch for any tips.
Milk the cows you have
| | | | | Joined: Nov 2005 Posts: 6,100 'Bolter | | 'Bolter Joined: Nov 2005 Posts: 6,100 | Hy LevisPop, you can get a lot more leaverage using the flywheel teeth than on the balancer. Try a little bit in each direction if you get it to move at all. Sometimes they just are too rusted in the bores to turn over. If you know someone with a boroscope you could put it down the spark plug holes and check the condition of the bores, good luck. | | | | | Joined: Mar 2004 Posts: 6,214 'Bolter | | 'Bolter Joined: Mar 2004 Posts: 6,214 | Are the valves all free? A stuck valve will keep it from turning over right up until you bend something...  Take a big rubber mallot and hit each valve and see if you get them to bounce. If you find one stuck you can loosen the rocker arm up so you can remove the push rod. If you wanted you could just remove ALL of the push rods to take them out of the picture. Make sure you tag them so they can go back in the same hole. Mike B  | | | | | Joined: Nov 2006 Posts: 2,544 Shop Shark | | Shop Shark Joined: Nov 2006 Posts: 2,544 | The clutch disc could be stuck to the flywheel? You could jack the rear wheels off the ground. At that point you would turn the engine and driveline. | | | | | Joined: Feb 2004 Posts: 29,813 Kettle Custodian (pot stirrer) | | Kettle Custodian (pot stirrer) Joined: Feb 2004 Posts: 29,813 | The best option is to use a long prybar with a chisel-shaped tip, like the straight end of a carpenter's "shepherd's crook" wrecking bar on the flywheel teeth. If it's inconvenient to do it from underneath by removing the sheet metal cover over the lower part of the flywheel, take the starter off and use the pry bar on the ring gear teeth through the starter hole. Be careful not to damage the teeth. If it's really stuck tight, take the cylinder head off and pour a few ounces of Kroil on top of the pistons. www.kanolabs.comIt will creep through the rust and puddle in the oil pan. You can drain it out and pour it on the pistons again a few times, if necessary. Jerry
"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
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| | | | | Joined: Oct 2011 Posts: 78 Wrench Fetcher | | Wrench Fetcher Joined: Oct 2011 Posts: 78 | 3B, Mike, Don: All excellent considerations from all excellent, helpful guys. Thanks you. Of course, today in Portland, OR, it is going to pour rain (I am working in a tent in front the garage that the truck was too big to get inside) and dealing with the little woman who is none too happy about any of this (oh well) so I will be putting these into action ASAP. Anybody else? I LOVE THIS SITE!
Milk the cows you have
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