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News:
Putting FUN and FRIENDLINESS, FIRST into owning and learning about AMC small bodied cars, primarily Eagles, Spirits and Concords as well as vehicles built in AMC's Mexican subsidiary, VAM.
The AMC Eaglepedia can now be accessed using the buttons found below This is a comprehensive ever growing archive of information, tips, diagrams, manuals, etc. for the AMC Eagle and other small bodied AMC cars.
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Welcome to the AMC Eagles Nest. A new site under "old" management -- so welcome to your new home for everything related to AMC Eagles, Spirits and Concords along with opportunities to interact with other AMC'ers. This site will soon be evolving to look different than it has and we will be incorporating new features we hope you will find useful, entertaining and expand your AMC horizons.
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Recent posts
#41
Transmission Shop / Re: T5 throw out bearing lengt...
Last post by Vgrizzw - June 08, 2025, 11:13:20 AMBump
#42
Transmission Shop / Re: Clutch master cylinder
Last post by Vgrizzw - June 08, 2025, 10:58:29 AMWhen you say the clutch master cylinder is readily available can you supply a link? Ive installed the willwood version and my clutch is right off the floor, it works but not what it should be. Ive bled it properly (a dozen times), slave is new, and the line is a new braided line with remote reservoir.
#43
The Engine / Re: Exhaust Smoke On Start-Up
Last post by Ludworks - May 30, 2025, 05:21:00 PMI think your numbers look just fine and point to reasonably healthy rings.
This forum is a great place to find help. Lot's of members have done EFI so if you need help with that you can find it here too.
Good luck!
This forum is a great place to find help. Lot's of members have done EFI so if you need help with that you can find it here too.
Good luck!
#44
The Engine / Re: Exhaust Smoke On Start-Up
Last post by PNWingnut - May 30, 2025, 01:23:22 PMI just completed a compression test on the Eagle. #1 - 135psi, #2 - 140psi, #3 - 145psi, #4 - 145psi, #5 - 140 psi, #6 - 150psi. (I rounded to the nearest 5 since my dial doesn't have 1-digit tick marks) From a quick Google search it sounds like factory compression for the 258 was 120-150psi with a max variation of 30psi, meaning my compression is good.
I did get a compression test done about a year ago and had higher numbers: #1 - 160psi, #2 - 157psi, #3 - 165psi, #4 - 166psi, #5 - 174, #6 - 170. However, that was from a shop that I didn't have much trust in. After taking it in they basically shrugged their shoulders at me. This was before having the cylinder head machined and before I had to exhaust replaced to fix multiple leaks (and get a nice muffler). So even though I don't know how you can mess up a compression test, I still don't have much faith in it. Also since I've made impactful changes since.
I think at this point I'm going to move on to installing the EFI. All the pointers and help has been very much appreciated.
I did get a compression test done about a year ago and had higher numbers: #1 - 160psi, #2 - 157psi, #3 - 165psi, #4 - 166psi, #5 - 174, #6 - 170. However, that was from a shop that I didn't have much trust in. After taking it in they basically shrugged their shoulders at me. This was before having the cylinder head machined and before I had to exhaust replaced to fix multiple leaks (and get a nice muffler). So even though I don't know how you can mess up a compression test, I still don't have much faith in it. Also since I've made impactful changes since.
I think at this point I'm going to move on to installing the EFI. All the pointers and help has been very much appreciated.
#45
Ebay/Craigslist/Kiji or any other third party links. / Two AMC Eagles for parts, in M...
Last post by eag59 - May 28, 2025, 01:32:01 PM #46
Visitors and Guests / Re: Finally caught an Eagle!
Last post by vangremlin - May 27, 2025, 05:08:44 PMCongratulations on your new Eagle and welcome to the Den!
#47
Fuel Systems. / Re: Power Valve and Jets for M...
Last post by 89 MJ - May 26, 2025, 06:31:31 PMI would probably start with whatever jets and power valve Ford used on their 240 and 300 I6s with the MC carb. I'm not sure what they were, but I'd think that would get you close.
#48
The Engine / Re: Exhaust Smoke On Start-Up
Last post by 89 MJ - May 26, 2025, 06:29:52 PMGlad you've made such great progress on this issue.
#49
The Engine / Re: Exhaust Smoke On Start-Up
Last post by Ludworks - May 26, 2025, 03:34:42 PMVery good!
You should see less and less of that oily fluid as it works out of the exhaust. Another long drive will help. I'd suggest an oil change once you're happy with the carb. With that much extra fuel there's probably some in the oil.
Unfortunately if you've still got a catalytic converter it's probably shot...but I'd say most cars of that age have the same issue, so par for the course.
Modern gas smells sort of vaguely sweet and a little like alcohol, though it varies a bit being rich or lean. Some people like the smell.
Burning oil is thick, acrid, and sort of plasticy. Nobody likes it. You'll taste it and feel it on your tongue if you get a big whiff.
You should see less and less of that oily fluid as it works out of the exhaust. Another long drive will help. I'd suggest an oil change once you're happy with the carb. With that much extra fuel there's probably some in the oil.
Unfortunately if you've still got a catalytic converter it's probably shot...but I'd say most cars of that age have the same issue, so par for the course.
Modern gas smells sort of vaguely sweet and a little like alcohol, though it varies a bit being rich or lean. Some people like the smell.
Burning oil is thick, acrid, and sort of plasticy. Nobody likes it. You'll taste it and feel it on your tongue if you get a big whiff.
#50
Fuel Systems. / Power Valve and Jets for MC
Last post by win32exe - May 26, 2025, 01:22:38 PMHey Team, i am getting ready to rebuild a Motorcraft carb for my SX/4, does anyone know which power valve and jets to use? my elevation is 500 ft above sea level, i have a ready to run distributor, no computers, no emission, manual choke, carb has 1.08 stamped on the side, not sure if its a 2100 or 2150.
other cool notes:
no vacuum actuators, i locked out the front axles and removed the rear actuator and installed a lever in its place.
i run the SX/4 off of water partially, i run an HHO kit and port the hydrogen into the carb.
i run a set of LASER(lidar) deflectors to jam laser speed traps, legal in my state.
i run a high end RADAR detector that uses AI and mappings.
Lokar hood release.
Engineered my own door latching handle(no more broken door handles)
Thanks for any assistance.
Henry
other cool notes:
no vacuum actuators, i locked out the front axles and removed the rear actuator and installed a lever in its place.
i run the SX/4 off of water partially, i run an HHO kit and port the hydrogen into the carb.
i run a set of LASER(lidar) deflectors to jam laser speed traps, legal in my state.
i run a high end RADAR detector that uses AI and mappings.
Lokar hood release.
Engineered my own door latching handle(no more broken door handles)
Thanks for any assistance.
Henry
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