blue smoke?

[bottomline2000]

And if he's pushrods are too long which I have seen with people running ls7 lifters..he's losing control of his valve train. I've done a lot of research on this before starting and it's the little things that get you.

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[1882tahoe]

I have bee hive springs and 7.400 push rods,i did not messure them before i ordered. Also valve train nois is quiter since the mods.

 

[1882tahoe]

I did not messure them before buying, they are 7.400. Valve train nois is actualy quiter than stock was. Also have beehive springs

 

[FrankU]

How many miles are on the 5.3 ?
Did it smoke before the mods ?

 

[ccapehartusarmyINF.(ret)]

alirght so if yer valve train is up to par then were back to o rings wich kinda blows because that pretty much requires pulling the motor

 

[bottomline2000]

He will need to do a compression test to see if it is the rings and if not..replace valve seals..a lot easier than pulling the motor. He may have been spot on in the original post.

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[ccapehartusarmyINF.(ret)]

sorry my bad i probably should have been more clear yes a compression test definatly before hand kinda figure that goes without saying one would hope you would perform a compression test before a major repair like that

 

[1882tahoe]

It has 138xxx miles, ill have to try that, hopfully just seals. Thanks for all the great input.I'll post an update when i get to it.