I have a 06 silverado with 5.3 i think i may be loosing antifreeze. Keeping a eye on it now. And i dont see any puddles under my truck. So my guess is possible cracked head. What are my options? I wanna get a cam as well if i do have to get heads. So what options are available for me?
My buddie has a 03 5.3 and he had the problem. Wouldnt show up in oil or anything but he had a cracked head and cuz it went so long before being found he had to get a whole new engine. Granted if it came to it i wouldn't have a problem putting a 6.0 in it haha. Just would be nice to know with the weather slowly going down hill.
If in fact antifreeze is getting into the oil, the longer you wait the more your bearings will hate life... And at that point why put money into that motor?
recommending a set of LS3 heads is a bad suggestion.
cathedral will keep the low end that these heavy trucks need.
if his truck sits at 6000rpm all the time then yes some LS3 heads would be fine
Listen to this. I had to replace the heads on my 04 silverado 5.3 due to the castech head problem but I think they stopped them in 05 or 06. Your problem may be else where and cheaper to fix than you think. Try pulling off the valve covers and seeing what the oil looks like before just replacing the heads hoping that's the problem.
yessir. they all bolt up the same and accept the center bolt valve covers u have. I would mill them atleast .030" tho since they have bigger chambers than 706s. If you were to bolt them up as is, then youd be dropping ur compression ratio.
yessir. they all bolt up the same and accept the center bolt valve covers u have. I would mill them atleast .030" tho since they have bigger chambers than 706s. If you were to bolt them up as is, then youd be dropping ur compression ratio.
yessir. they all bolt up the same and accept the center bolt valve covers u have. I would mill them atleast .030" tho since they have bigger chambers than 706s. If you were to bolt them up as is, then youd be dropping ur compression ratio.
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