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  #81  
Old 04-23-2020, 09:28 PM
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78 WIDETRAC 78 WIDETRAC is offline
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Did some work on it tonight. I popped the intake manifold shield off the 2bbl manifold, removed all of the random vacuum, linkage plates, water neck off of the old manifold for installation on the new intake, set the carb and valve covers on.



It all comes back off this weekend to do the shield and seal threads clean engine bay, prep block for some paint etc...






BTW All of these items came with it when I picked it up from Art. Purchase date of 07 I think. I'm happy to get them on permanently soon. Carb may come back off for F.I.


But it looks good. As new parts always do. I have engine block paint on the way.
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  #82  
Old 04-27-2020, 08:05 PM
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78 WIDETRAC 78 WIDETRAC is offline
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Time to get back into the 81 Cherokee. I might start another thread on the Yellow one another time.


So I have decided to tackle the sniper on this one. I still need to get things cleaned up and repainted, also where can I get a nice water neck?



Here is the sniper unit on the manifold. Kind of a good time to do this, fuel tank is out, I can upgrade any electrical needs for the system. figure out the best fuel pump to use etc...



It came with everything to install it. I have read some threads about using the buffer tank/ fuel pump in the engine bay. As not the best idea.



I'm watching cu4wln's in tank fuel pump posts thinking this might be the way to go. I have the newer plastic tank, would it be a big deal to install a factory metal tank from an earlier year?



Any input would be great. Here are some pics.



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  #83  
Old 04-27-2020, 08:18 PM
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DarkMonohue DarkMonohue is offline
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Quote:
Originally Posted by 78 WIDETRAC
...also where can I get a nice water neck?
RockAuto, and probably any corner auto parts store, has cheap cast iron replacement units. They work, but mine required some judicious work with a file and sandpaper to get a decent finish on the heater hose fitting. I'm not sure what is available that's nicer than that type.
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  #84  
Old 04-27-2020, 08:59 PM
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78 WIDETRAC 78 WIDETRAC is offline
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Quote:
Originally Posted by DarkMonohue
RockAuto, and probably any corner auto parts store, has cheap cast iron replacement units. They work, but mine required some judicious work with a file and sandpaper to get a decent finish on the heater hose fitting. I'm not sure what is available that's nicer than that type.




I was just thinking a nicer aluminum one, mostly to match the intake.


Thanks for the tip on RockAuto. I forget about them being a great resource for parts.
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  #85  
Old 04-27-2020, 09:17 PM
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DarkMonohue DarkMonohue is offline
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Quote:
Originally Posted by 78 WIDETRAC
I was just thinking a nicer aluminum one, mostly to match the intake.
Makes sense. The OEM thermostat housing was a very nice aluminum piece. It was really frustrating when I broke mine and had to put on that ugly cast iron aftermarket part.
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  #86  
Old 04-27-2020, 11:25 PM
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rang-a-stang rang-a-stang is offline
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I have replaced my fuel pump twice since going EFI. I am REALLLLLlllllly glad I did not put it in the fuel tank. Replacing mine is a 3 tool, 20 minute job. You put it in the fuel tank, and it will be a much bigger job. Then again, maybe if I got an in tank fuel pump, maybe I would not have killed it twice..... HHHmmmm...
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  #87  
Old 04-29-2020, 10:34 PM
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78 WIDETRAC 78 WIDETRAC is offline
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I'm going backwards again. I started taking the front of the motor apart. Pretty good time to do it. I have the time. plus It will be easier to clean up and shoot some paint.



Also I just want to check out the components before I assume it's good after setting for 10 years. Pics as long as I can remember how to post them up.



I need to look at the timing chains that have been used by others and possibly cams, We'll see on the cam.


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  #88  
Old 04-29-2020, 10:37 PM
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Quote:
Originally Posted by rang-a-stang
I have replaced my fuel pump twice since going EFI. I am REALLLLLlllllly glad I did not put it in the fuel tank. Replacing mine is a 3 tool, 20 minute job. You put it in the fuel tank, and it will be a much bigger job. Then again, maybe if I got an in tank fuel pump, maybe I would not have killed it twice..... HHHmmmm...




I would absolutely put in an access panel for sure!
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  #89  
Old 04-30-2020, 08:50 PM
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More stripping the engine down to the timing chain. It has some slack. is this acceptable? See pic


The front of the block is cleaned up pretty good. The oil line was loose at the compression nut, so it had been slowly leaking for a while based on the coated frame and motor mount and timing cover and front of the engine.

Last edited by 78 WIDETRAC : 04-30-2020 at 09:07 PM.
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  #90  
Old 05-01-2020, 08:08 AM
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While the cover is off I would rebuild the oil pump including getting end clearance right.
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  #91  
Old 05-01-2020, 08:59 PM
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78 WIDETRAC 78 WIDETRAC is offline
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Quote:
Originally Posted by levelhead
While the cover is off I would rebuild the oil pump including getting end clearance right.




Good call. I'm sure I cab dig those old threads up.



Here is a better pic of the timing chain slack. It seems like a lot to me. Thoughts?
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  #92  
Old 05-01-2020, 10:38 PM
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My thoughts: Timing chains are pretty cheap and you are already this far... Better to replace it and not need to, than not replace it and regret it a few months/year from now. I look at this like replacing a clutch but not doing the throw out bearing.
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  #93  
Old 05-02-2020, 08:11 AM
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Quote:
Originally Posted by rang-a-stang
My thoughts: Timing chains are pretty cheap and you are already this far... Better to replace it and not need to, than not replace it and regret it a few months/year from now. I look at this like replacing a clutch but not doing the throw out bearing.
EXACTLY

You should be able to find a decent double roller timing set (2 gears and a chain) for less than $85. I personally don't use the stock style like you have. I don't even touch Crown or Omix-ADA parts with a 8 foot stick.

This one would be a good choice:
https://www.summitracing.com/parts/c...rs?prefilter=1
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  #94  
Old 05-02-2020, 10:52 AM
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Quote:
Originally Posted by fulsizjeep
EXACTLY

You should be able to find a decent double roller timing set (2 gears and a chain) for less than $85. I personally don't use the stock style like you have. I don't even touch Crown or Omix-ADA parts with a 8 foot stick.

This one would be a good choice:
https://www.summitracing.com/parts/c...rs?prefilter=1




EXACTILLY!


All sage advice from Rang and Mr. Señor Jackhead up there.


Make sure when you replace the gear set that the cam-gears oil hole lines up with the cam.
sc/397 has LOTS of really great write-ups in his engine build threads on that.
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Last edited by rang-a-stang : 05-05-2020 at 10:46 AM.
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  #95  
Old 05-02-2020, 03:48 PM
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78 WIDETRAC 78 WIDETRAC is offline
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I'm not sure how to quote each of you.




Thanks for the sound advice. I'm going to order that timing set and get things back together.
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  #96  
Old 05-04-2020, 09:33 PM
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78 WIDETRAC 78 WIDETRAC is offline
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New Comp double roller timing chain in.










My next project is getting the timing cover cleaned and rebuild the oil pump. The gears have a couple of chunks out of both. All in all the pump housing and bottom plate look good.













I know there is a post on the board saying what grit of sand paper to use to get rid of the wear patterns on the bottom using flat plate glass and wet sandpaper. So I'll look for that.



What are you guy's having success with on the gunked up aluminum cleaning? Besides elbow grease.








On another note. I was looking closer at the intake and it looks like edelbrock forgot to finish the oil hole. I'll have to make it slightly larger.


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  #97  
Old 05-04-2020, 10:31 PM
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rang-a-stang rang-a-stang is offline
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I used easy off to clean my aluminum. It etches the aluminum too so if you are going to paint it, it sticks pretty good.

Hahaha! My oil fill hole looked just like that too! I opened mine up quite a bit with a round file.
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  #98  
Old 05-05-2020, 05:13 AM
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Quote:
Originally Posted by rang-a-stang
I used easy off to clean my aluminum. It etches the aluminum too so if you are going to paint it, it sticks pretty good.

I learned this the hard way. Easy Off did a great job on grease removal but I left it on a piece of aluminum too long and it did a number on it.

While Easy Off does have multiple uses it is NOT a good idea to use it on everything.
https://www.youtube.com/watch?v=kmgqa8u9k_Y
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  #99  
Old 05-05-2020, 09:41 AM
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rang-a-stang rang-a-stang is offline
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Quote:
Originally Posted by J76137
I learned this the hard way. Easy Off did a great job on grease removal but I left it on a piece of aluminum too long and it did a number on it.

While Easy Off does have multiple uses it is NOT a good idea to use it on everything.
https://www.youtube.com/watch?v=kmgqa8u9k_Y
True life!!! Well said!
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  #100  
Old 05-05-2020, 08:32 PM
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On the oil pump and chain ...SC/396 is a engine Guru
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