LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Cam bearing rant!!!

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Old 01-28-2007, 12:46 AM
  #16  
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Yeah, tell me about it. Worst part is that I don't get off work until the same time they close!

WHO KNOWS when I'll be able to make it back to their shop.
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Old 01-30-2007, 07:17 PM
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Well, I went back and talked to them and let them look at the bearings. He said that the marks/scratches were from him test fitting a camshaft to make sure it spun freely. He looked over, and felt, every one of them and said he wouldn't be worried about it. In fact, he said they would polish out.

To his defense, they ARE VERY SOFT! I actually put a gouge in one of them with my fingernail!

So, I guess I'll put it together and if anything bad happens, they'll be seeing me again!
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Old 06-06-2007, 12:32 PM
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Just curious if you had any ill effects from these bearings... I have some pretty soft bearings myself and they have some scratches in the front cam bearing, but i cant catch my nail in it.... Just curious.
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Old 06-06-2007, 12:49 PM
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I plead ignorance (I'm sure you will all concur) however maybe it doesn't make any difference, but if it does, then you are looking at spun bearings and possibly a complete rebuild. Food for thought.JMHO
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Old 06-06-2007, 03:43 PM
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Take the soft bearings out and put in some ACL,Durabond or something like that.
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Old 06-06-2007, 04:42 PM
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You might check other aspects of the build before you decide if you want to keep the engine or get them to fix it. I hope the cam bearings are an isolated case (installed by a FNG as Kevin said). Let's hope the FNG (or F***in' New Guy) didn't do much of the build.

I suggest being firm, but not pissed if you revisit the shop. If you are pissin' and moanin' they will be more interested in getting rid of you than in fixing a problem. I'd also use good bearings as 'dude mentioned. If the cost for them wasn't in the build, tell them you'll pony up for the difference in cost of the bearings if they will install them correctly. If they "test-fit" a cam, either they didn't use much lube or they cleaned everything off well before shipping the engine.

Good luck!
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Old 06-06-2007, 09:05 PM
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I appreciate the advice, guys!
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Old 10-01-2007, 05:34 PM
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Originally Posted by 1racerdude
Take the soft bearings out and put in some ACL,Durabond or something like that.
Just looked at the sheet and I see the part number SH290S and then it says CL77.

I imagine it is these. Are they any good?


http://store.summitracing.com/partde...S&autoview=sku
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Old 10-01-2007, 06:03 PM
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Hey, on a bare block like that, putting a cam in is really easy - You just stand the block on end, butter up the cam, and drop it straight down into the hole. Almost no chance for screwup. So how did they do it that they had it so gouged up like that?
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Old 10-01-2007, 06:24 PM
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Evidently, NOT the way you just said!
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Old 10-01-2007, 07:13 PM
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Originally Posted by marshall93z
Evidently, NOT the way you just said!
What's the deal on this? I figured this would've been taken care of by now.
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Old 10-01-2007, 07:29 PM
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Those are stock replacements. Fine if you are rebuilding a stock motor but you need something better if it's a hi-po setup.

Rich
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Old 10-01-2007, 08:15 PM
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Stock heads and GM847.

Not really "hi-po", I guess.
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Old 10-05-2007, 04:05 PM
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So does this look like the better alternative? Says "high preformance/race".

http://store.summitracing.com/partde...S&autoview=sku
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Old 10-06-2007, 03:45 AM
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Something more like this

http://store.summitracing.com/partde...T&autoview=sku
http://www.daymotorsports.com/product/1843/c/C162/

Last edited by 1racerdude; 10-06-2007 at 03:50 AM.
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