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390ci in France (Read 10837 times)
mramc
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Re: 390ci in France
Reply #45 - 07/20/12 at 22:46:27
 

 
As I said I got back the shell less drive train , except for the rear end, a ford nine inch, missing every thing under the hood , the side pipes and and a good bit of trim.
(The concrete block threw the front windshield was a not so nice touche.)  I have begun the search for replacement parts, but I used half the insurance settlement to finish paying off the build. The cars here are old enough that you do not get many problems changing things around, as the cars here will generally not be used as daily drivers. Also we have the parts more readily available. The GM four speed 700R4 conversion is becoming very common here. I replaced the Borg Warner M-12 with a latter AMC version of a Mopar 727 automatic as that has been a common conversion also over here. As I trashed several Borg Warners and I got tried of fixing them. Even the AMC factory recommended replacing the M-12 with the 727s for any performance uses. The insurance estimate on my engine alone was about $13,000 , but $3,000 of that is the Edelbrock fuel injection system. The rest was machine work, forged pistons, dual roller timing chain, and new main caps with an align bore for the crank shaft. None of it cheap . All of it done right. Yes, I know what it costs, so I'm doing a cheaper car , a 1964 American convertible that should cost me less to do then the the replacement 401 V-8 I got for the 69 AMX to do. Than as I gather the needed parts I'll do the 69 AMX again in another couple years.  LRDaum
 
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Jimbzh
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Re: 390ci in France
Reply #46 - 07/21/12 at 07:29:07
 
So sad! undecided cry
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AMC PACER DL 1977
AMC AMX 390 Go Pack 1968
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BrunoBZH
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Re: 390ci in France
Reply #47 - 08/01/12 at 18:51:57
 
well .... I finaly chose an Edelbrock cam #2132
 
http://www.summitracing.com/parts/EDL-2132
 
and a timing set.
 
 
We are a bit vexed by the piston rings assembly : the expander seems to be too long.
 
 
   
 
   
 
I read some people bend ro cut the endtabs ...
   
 
http://www.circletrack.com/howto/4639_maximum_power_piston_rings/index.html
 
But Doug @ americanpartsdepot told me "don't modifying anything"  Huh
 
Is anybody already had this kind of problem?
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Re: 390ci in France
Reply #48 - 08/04/12 at 23:10:48
 
MrAMC, I had forgotten about your car getting stolen, it must have been horrible to see it gone! I couldn't imagine anything happening to my car.
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Tony

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Re: 390ci in France
Reply #49 - 08/27/12 at 22:31:42
 
Here is some news:
 
I took back all the parts and began the reassembly.
 
I changed the cam bearings:
 
   
 
   
 
 
   
 
   
 
 
the camshat turns "free"....
 
   
 
 
Then I assembled the crank and main bearings.... and rear seal also.  
 
And finaly piston rings and piston inside the cylinder with no major problems.
 
The only thing is I read two different torque for the connecting rod on "68 AM Technical Service Manual":
 
"connecting rod caps torque..... 26-30 Ft. Lbs" and "connecting rod bolt nuts 35-40 Ft.Lbs" Huh undecided
 
Bolts are 3/8"    24 Threads per inch.  
 
Maybe I didn't understand something????
 
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« Last Edit: 08/28/12 at 08:39:10 by BrunoBZH »  
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Re: 390ci in France
Reply #50 - 08/28/12 at 23:00:33
 
Ok, Straight out of the 1969 AMC Factory service manual. Connecting rod bolt nuts 26 to 30 Foot pounds of torque. BUT EXCEPT 390 C.I.D. 35 to 40 foot pounds of torque. The 290 & 343 V-8s have cast iron cranks and rods. The 390s have forged cranks and rods, and mostly likely a next size up rod bolt too. LRDaum
 
PS be sure and use some good cam lube grease when you do the final camshaft install. It's also nice if you pre-oil the engine with a pre-oiling shaft on a good drill also. The AMC used the same pre-oiler as a small block Chevy. LRD
 
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Re: 390ci in France
Reply #51 - 08/29/12 at 13:15:38
 
Quote from mramc on 08/28/12 at 23:00:33:
Ok, Straight out of the 1969 AMC Factory service manual. Connecting rod bolt nuts 26 to 30 Foot pounds of torque. BUT EXCEPT 390 C.I.D. 35 to 40 foot pounds of torque. The 290 & 343 V-8s have cast iron cranks and rods. The 390s have forged cranks and rods, and mostly likely a next size up rod bolt too. LRDaum

 
Ok.... well noted  Wink   thanks.
 
Quote from mramc on 08/28/12 at 23:00:33:

PS be sure and use some good cam lube grease when you do the final camshaft install. It's also nice if you pre-oil the engine with a pre-oiling shaft on a good drill also. The AMC used the same pre-oiler as a small block Chevy. LRD

 
In fact, I receive an assembly lub (thick red gease) with the Edelbrock kit.
 
I also plan to replace the timing cover (oil gear housing is scratched...) with "Bulltear" "HRC oil pump gears" (sorry bulltear website does work anymore at the moment??? Huh)
What do you think?
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Re: 390ci in France
Reply #52 - 08/30/12 at 23:19:37
 
Yes, I used all the Bull Tear parts , timing cover, HRC gears , oil filter mount, and they were all nickel plated too. I should see Matt C. AKA Mr Bull Tear at the AMC Nationals in Cordova Illinois raceway in about 10 days and I'll find out why there web site is down. LRDaum
 
Here's what my finished engine looked like. LRD
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Re: 390ci in France
Reply #53 - 07/20/13 at 08:30:34
 
Hello,
Here are some news of the engine. Painting is done (impossible to find caravelle blue in France so itīs a close mixx) and we soon be able to put it back in car.
 
We cleaned one piston and yes, there are AM lettres under.  
 
Pictures soon  Wink
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AMC PACER DL 1977
AMC AMX 390 Go Pack 1968
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