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Performance / Re: Connecting rod bearing clearance
« Last post by ehjorten on Today at 10:25:54 AM »
This doesn't make sense to me. You want to increase the bearing clearance to move to a lower viscosity oil? The relationship between oil viscosity and bearing clearance is directly proportional (i.e. tighter bearing clearances require lower viscosity, thinner oil and larger bearing clearance require increased viscosity, thicker oil).

0.0015" - 0.0025" is within a factory spec. Your 0.002" should be about perfect, but to really know you need a micrometer that can read down to the 0.0001". You don't know how tight the out of round is, or if you have slightly tapered journals. Given that you are spending a bunch of money to build your 383, you could take the crank to your machinist and have the journals polished up to take a few tenths off. That might be the best way to gain a little extra clearance.
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Members Rides / Re: New truck in the drive
« Last post by Dr_Snooz on May 20, 2024, 11:11:12 PM »
I haven't done much on the war wagon lately. I'm busy replacing my roof, which is much, much harder work. Phew!

I discovered some ghost numbers on the truck, indicating that it used to be a fleet truck.



That sparked my curiosity, so I began digging. The CarFax (which wasn't very helpful) shows that the truck originally came from Strawberry Valley, CA. That's within the boundary of the Las Plumas Nat'l Forest. I'm tempted to assume that the truck used to be in the Forest Service, but I've never seen a beige Forest Service truck.

Anyone have any conjectures?
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General Discussion / Re: What did he just say?
« Last post by Da67goatman on May 20, 2024, 08:55:10 PM »
Most insurance covers a key replacement a year.  You might have to just send them the bill and ask for reimbursement.  It's nice to actually get something for all that money you give them.  I don't know why anyone would have only one key for a car, but so many are sold with just one.
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Performance / Re: Connecting rod bearing clearance
« Last post by VileZambonie on May 20, 2024, 06:57:38 PM »
From what you describe you have good measurements but want to increase tolerance (which is loosening yes) to accommodate 15w40... Why? Have you seen what 1000 plus HP engines run for motor oil? You choose the oil to fit the engine, you don't build the engine to fit an oil.
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Engine/Drivetrain / Re: 357 (350 - .40 Over) Build Questions Etc
« Last post by Mike81K10 on May 20, 2024, 02:30:53 PM »
I sure hope so!
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General Discussion / Re: What did he just say?
« Last post by Shifty on May 20, 2024, 11:32:21 AM »
I used to cut keys in the 80's, at the parts store I worked at...the blanks cost less a dime apiece, and took me about 2 minutes to do...
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Engine/Drivetrain / Re: 357 (350 - .40 Over) Build Questions Etc
« Last post by Shifty on May 20, 2024, 11:29:28 AM »
Looking like it can't wait to run.... 8)
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Engine/Drivetrain / Re: 357 (350 - .40 Over) Build Questions Etc
« Last post by Mike81K10 on May 19, 2024, 08:34:05 PM »
I worked on my engine a little bit today and will probably put it in my truck this week. I installed the flywheel, water pump, made sure it was TDC, and installed the valve covers (hardware came in), will probably have to remove them when I drop it in my truck to give me a little more clearance. Prior to installing in my truck, I will try to mount to wire looms and distributor so I can go ahead and get the wires the right length to make it easier.
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Performance / Re: Connecting rod bearing clearance
« Last post by dieselman123 on May 19, 2024, 07:50:09 AM »
So you would consider. 0025 to be loose?? Without the .0001 bearing im getting .0015 which i feel is too tight. Do not want to run the vr1 20w50 like everyone is saying because i feel it is way too thick. Which is why i chose 15w40 but been going back and forward between rotella 15w40 an driven 10w40
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Performance / Re: Connecting rod bearing clearance
« Last post by VileZambonie on May 19, 2024, 07:11:50 AM »
Sounds like someone give you bad advice. I bet if you were to call Eagle and tell them your plan they would write your name down to void your warranty. Why do you want to build a loose tolerance around a multi-viscosity oil?  ??? .001" is bullseye
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