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Post Info TOPIC: My major blunder could be CP's benefit..


Canadian Poncho Superstar!

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My major blunder could be CP's benefit..


What you see here is my major 327 rebuild blunder, that at first I could not bring myself to admit it. Probably my biggest mess up ever. I Just shoved them under the bench in anguish. But yep, here that are, and I am sick of shuffling them around.

I heat pressed the new piston pins into the rods...and messed up the orientation. 6 are backwards. Yes, 6 of the eight. The valve reliefs are not oriented with the rods correctly. Arrrghhh!!! Ended up buying them all new again, and bought new Scat floating pin rods as well.

The pistons are all new standard bore 327 pistons. Perfect if you have little to no ring ridge and are just cleaning up and dingle balling your low mile unbored 327. The top ring height also sits below the stock piston height, so it'll be away from any ridge. Compression height is close to stock.

 

If you know someone with a pin pressing rod anvil, you could easily push the pins out. But you cannot press on the piston in ANY manner or they are destroyed. I tried down here to find someone to do it, believe me I really did. Most shops were clueless as to what I was asking them.

Paid $250. Come pick them up for $65 and the site gets the money. Realistically I can't ship them right now, but will do, as life gets back to normal.

If they don't go, a few might become sculpture of some sort, and the rest I'll scrap.

 

Feels good to come clean, but go easy on me now.

 

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65 Laurentian post, 67 Grande Parisienne 4 door HT. 
 


A Poncho Legend!

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Mark, I have a little story that will help you feel better!

My brother was born a mechanic. They say from the time he was 2 years old, when he walked ahead of my uncle who was carrying the grease gun and showed him where to put grease into the grease zerks on his tractor, his every breath was mechanical stuff. He started college to get his papers but our dad died and he dropped out of college, went ahead and started working as a mechanic in local garages. Eventually he started his own shop and had no trouble establishing himself as a reliable man to bring your car to. He is totally the reason I became a car nut and he taught me the majority of the mechanical abilities I developed in my young life.

One day when he was likely in his early 40's, (I would be in my early 30's) I stopped in at his shop one evening where he had just finished assembling the 400 short block for his 67 442. It was sitting on the engine stand. He'd had the block bored and as is standard procedure, sent the pistons along so they could be fitted to each cylinder when the block was bored. Each piston gets stamped with the corresponding cylinder # it will be installed in. I stood and looked at the block for a while, studied both banks of cylinders looking at the tops of the pistons and kept looking at him. Finally he walked over to me and I said "If you had the pistons numbered for each cylinder, why are almost all of them in random holes?" He just gave me that blank stare and I think the word "sh*t" might have slipped past his lips as a crazy little smile came over his face! Yup, it all came apart, pistons got pressed onto the rods and back together it went. He had pressed the pistons onto the rods facing the right way, but I think only one or maybe two of the pistons ended up on the correct cylinder # rod if you get my drift.

Point being, you don't do this kind of work all day every day Mark, he did!

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1966 Strato Chief 2 door, 427 4 speed, 45,000 original miles 

1966 Grande Parisienne, 396 1 of 23 factory air cars



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Thanks Mark!

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Canadian Poncho Superstar!

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hey Mark I`m working on Guelph Line tomorrow so I will come over and pick them up. May know someone that can fix them. I have a 327 they may work in



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Thanks Kevin! I'm isolated for 4 more days, but I'll put them out on the bench for you.

Morning or afternoon?



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65 Laurentian post, 67 Grande Parisienne 4 door HT. 
 


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morningsmile



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Guru

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Hey Mark,

I finish my quarantine today!!! If you don't end up selling your pistons call Forrest and Forrest racing in Ayr. 519-632-1139. They will be able to the work for you. Did you get your full holiday in before you came home?

Bill.

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Hey Mark, back in the eighties when Oldsmobile Diesel cars were popular they were prone to rear main seal leaks. The rope seals still used by Olds at that time couldnt tolerate the increased crankcase pressure of the diesel. Our shop replaced the seal and then enlarged the hole in the crankcase vent to lower the pressure. It was harder on the air filter but solved the main seal leak. Anyway one of these engines when I had the oil pan off had ALL the connecting rods in backwards. It didnt seem to have caused any problems and the car had 100,000 km on it! I guess the factory makes mistakes also.

Paul



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Prefectca wrote:

Hey Mark, back in the eighties when Oldsmobile Diesel cars were popular they were prone to rear main seal leaks. The rope seals still used by Olds at that time couldnt tolerate the increased crankcase pressure of the diesel. Our shop replaced the seal and then enlarged the hole in the crankcase vent to lower the pressure. It was harder on the air filter but solved the main seal leak. Anyway one of these engines when I had the oil pan off had ALL the connecting rods in backwards. It didnt seem to have caused any problems and the car had 100,000 km on it! I guess the factory makes mistakes also.

Paul


 That is hilarious. biggrin



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1957 Pontiac Pathfinder Deluxe sedan restored 261 six

1974 Chevrolet Caprice Estate wagon low mileage original 400 V-8



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picked up pistons yesterday and had a good visit with Mark , 65 coming along great. sent $100 to the site



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A Poncho Legend!

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Thanks guys. I really appreciate the site support!

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Canadian Poncho wrote:

Thanks guys. I really appreciate the site support!


 Now that is what C.P. is all about. smile



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1957 Pontiac Pathfinder Deluxe sedan restored 261 six

1974 Chevrolet Caprice Estate wagon low mileage original 400 V-8

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