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Basic AMC V8 Rebuild by SC397

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SC397 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote SC397 Quote  Post ReplyReply Direct Link To This Post Posted: Dec/14/2022 at 8:11am
LOL! LOL
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Ramzilla Quote  Post ReplyReply Direct Link To This Post Posted: Feb/07/2023 at 10:59am
SC397
I have a crane solid roller cam with rollmaster timing set. I polished bolt holding cam in place.
I mounted timing cover with gasket in place. I just checked my cam end play with dial indicator and i get 0.002 at most. Is that ok or should i polish a little more on bolt. 
Timing cover had very little marks from previous contact with factory cam bolt 390 motor in SC had only 20,000 miles. I guess i could polish a little on timing cover.  
Any suggestions would be appreciated. 
Thanks Larry  
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Post Options Post Options   Thanks (0) Thanks(0)   Quote jcisworthy Quote  Post ReplyReply Direct Link To This Post Posted: Feb/07/2023 at 11:14am
.003-.008 is a good range. 

I think you will be ok if you tightened the bolts as tight as your final assembly will be

I would think aluminum cover should out expand the cam bolt even with the water pump on it and bolts through it but I cannot prove it
Specializing in dyno services, engine building, and cylinder head porting

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SC397 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote SC397 Quote  Post ReplyReply Direct Link To This Post Posted: Feb/07/2023 at 1:11pm
Yep, Comp Cams says .005" to .010"
I used a McMaster Carr bolt which has a shorter hex head than the stock one so I actually had to shim with a washer to get the correct clearance.  But in your case, I would just polish the bolt a little more.
I show how I did it in this thread.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote RobinPDX Quote  Post ReplyReply Direct Link To This Post Posted: Aug/06/2023 at 6:25pm
Good source for the set of new slugs via RACETECH, thx for info.
Rob Wiley
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Ramzilla Quote  Post ReplyReply Direct Link To This Post Posted: Aug/07/2023 at 9:11am
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Post Options Post Options   Thanks (0) Thanks(0)   Quote RobinPDX Quote  Post ReplyReply Direct Link To This Post Posted: Oct/26/2023 at 10:16pm
A Lot of wisdom and good experience on this thread well worth following. 
Rob Wiley
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Post Options Post Options   Thanks (0) Thanks(0)   Quote RobinPDX Quote  Post ReplyReply Direct Link To This Post Posted: Jan/16/2024 at 1:31pm
Originally posted by SC397 SC397 wrote:

Page 20 shows what you are talking about I think.
https://rebsamcandjeep.proboards.com/thread/11/amc-engine-builds?page=20
I installed shorter push rods in and it was ok.

Here is a bunch of conversation on push rod length:

This makes sense, though seriously needs to be condensed. 
Good timing to get this info, as I'm doing a 401 Build and this step is needed soon.
Rob Wiley
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 410Gremlin Quote  Post ReplyReply Direct Link To This Post Posted: Jan/16/2024 at 5:06pm
This thread has a ton of great info. Thanks SC397!! I am actually building a 343 right now and just got it ready to reassemble. Will be following a lot of your tips!! 
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