360 to 390
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Cargo Master
Joined: Jul 2006
Posts: 3,014
Likes: 91
From: Concord, CA
360 to 390
Well the engine has been stripped down but no obvious site showing how water got in. Both head gaskets and intake gaskets were fine. On Tuesday the block and intake will go in for hot tanking before working on the block. Already have reconditioned short rods and have located a ready to go .10/.10 crank.
I would imagine that the old 360 rods and 360 crank are pretty much worthless and should probably junk them as I have no need and don't want to drag them around. Below are some pictures of the bearings and they weren't pretty. Lots of scratches with some deep.
Oh, on my Mopar forum I posted the pictures of the engine removal. Some were interested in the carb plate method and wanted to see how the engine bolted up to the stand. A few did comment on me using the lift to remove the intake by asking how heavy could it be?
I would imagine that the old 360 rods and 360 crank are pretty much worthless and should probably junk them as I have no need and don't want to drag them around. Below are some pictures of the bearings and they weren't pretty. Lots of scratches with some deep.
Oh, on my Mopar forum I posted the pictures of the engine removal. Some were interested in the carb plate method and wanted to see how the engine bolted up to the stand. A few did comment on me using the lift to remove the intake by asking how heavy could it be?
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Cargo Master
Joined: Jul 2006
Posts: 3,014
Likes: 91
From: Concord, CA
My engine stand is rated 1500 lbs and uses two extended legs and not the typical one.
Hotshot
Joined: May 2003
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From: south louisiana
Actually if you look into a Mustang Plus catalog you will see they did a test on a lift plate to see what it could handle. Even they were surprised when the plate held stress up to 4200 lbs. before the hole in the lift plate broke. The four bolts on the intake were still fine. That was good enough for me.
My engine stand is rated 1500 lbs and uses two extended legs and not the typical one.
My engine stand is rated 1500 lbs and uses two extended legs and not the typical one.
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Cargo Master
Joined: Jul 2006
Posts: 3,014
Likes: 91
From: Concord, CA
I never said it was cast aluminum especially at 80 lbs. The bolts are grade 8 and I'll take the article, with the science, behind it. The actual lift was perfectly balanced and only moved a total of 5 feet before coming down. No load shifting here and why would there be in a simple straight line. Besides a load will only shift if one hasn't planned the balance correctly ahead of time. So I think I'll stick with it my method for now. Thanks for the concern.
FTE Leadership Emeritus
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From: Long Island USA
Now, back to the subject at hand instead of arguing about using a carb plate ...
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Hotshot
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Cargo Master
Joined: Jul 2006
Posts: 3,014
Likes: 91
From: Concord, CA
First serious question now that the engine is being hot tanked.
On a completely stock 390 with COM auto that will rarely, if ever, see anything above 4500 rpm how important is it to use APR rod bolts versus the stock rod bolts?
On a completely stock 390 with COM auto that will rarely, if ever, see anything above 4500 rpm how important is it to use APR rod bolts versus the stock rod bolts?
Hotshot
Joined: Apr 2009
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From: Stanley, VA
ARP bolts and studs are nice, but on a stock relatively low RPM rebuild not necessary.
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Cargo Master
Joined: Jul 2006
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From: Concord, CA
That is what I figured. Got my crank delivered today so will be going to the shop on Wednesday with it and the other pieces that end up attached to the outside, some more parts to clean, and all the other metal that will get recycled. Should be going over what needs to be done and who supplies what. Now, last week, off the top of his head the machinist mentioned there isn't a lot of choice in 390 pistons. There were two other 390s sitting there done but they had forged pistons in them. Also wants to discuss the oil mods that are possible with the engine.
FTE Leadership Emeritus
Joined: Jul 2002
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From: Long Island USA
For the price, around $70, the ARP rod bolts are for peace of mind more than anything else. Who knows what the existing ones have been through, and how much are OEM replacements compared to ARPs?
As for pistons, on a mild build, weren't the 360 pistons a good way to go?
As for pistons, on a mild build, weren't the 360 pistons a good way to go?