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Do all LS1 engines have the piston knock ?

This is a discussion on Do all LS1 engines have the piston knock ? within the Camaro / SS forums, part of the Vehicle Specific category; gm fixed the problem in the ls2 up engines. they switched to a floating pin design for the piston heads. ...

  1. #41
    King 0f n00bz shady milkman's Avatar
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    gm fixed the problem in the ls2 up engines. they switched to a floating pin design for the piston heads. its normal, really no problem with it, just dont go street racing before it goes to op temp. there that was my bit of information

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    Senior Member ShelbySS's Avatar
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    Quote Originally Posted by shady milkman View Post
    gm fixed the problem in the ls2 up engines. they switched to a floating pin design for the piston heads. its normal, really no problem with it, just dont go street racing before it goes to op temp. there that was my bit of information
    Thanks!

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    King 0f n00bz shady milkman's Avatar
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    Quote Originally Posted by bttb View Post
    My ss has lots of piston slap. It takes a long time after start up for it to quiet down. When weather is cold the more noise it makes.
    yea once it reaches op temp it goes away, if it doesnt then you got a problem.

  4. #44
    King 0f n00bz shady milkman's Avatar
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    Quote Originally Posted by ShelbySS View Post
    So what is the best oil for an LS2?

    I used Mobil 1 in my LS1...
    there are better oils out there. rp is good. um that castrol shit from germany that is pure synth. throw sarge a pm and he will help you. but dear lord for oil filters..stay away from FRAM!!!!!! that is for all members.

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    MOTOR CITY MARO' SSTODD's Avatar
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    Quote Originally Posted by shady milkman View Post
    there are better oils out there. rp is good. um that castrol shit from germany that is pure synth. throw sarge a pm and he will help you. but dear lord for oil filters..stay away from FRAM!!!!!! that is for all members.
    Where the hell is shepard,MI

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    King 0f n00bz shady milkman's Avatar
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    Quote Originally Posted by SSTODD View Post
    Where the hell is shepard,MI
    its about 5 miles south of mt.pleasant. and about 45 mins north of lansing. right of of 127

  7. #47
    MOTOR CITY MARO' SSTODD's Avatar
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    Thanks man, that a long haul from Livonia but I did learn something today.

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    King 0f n00bz shady milkman's Avatar
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    Quote Originally Posted by SSTODD View Post
    Thanks man, that a long haul from Livonia but I did learn something today.
    then its a good day.

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    Senior Member OnEbAdReDSS's Avatar
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    Hey is piston slap created by the pistons and engine block not being 200 Degrees because i know chevy before it bores out its blocks heats the engine up to 200-210 where ever the optimum temp is... soo is that it??

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    King 0f n00bz shady milkman's Avatar
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    Quote Originally Posted by 2000SuperSportMaro View Post
    Hey is piston slap created by the pistons and engine block not being 200 Degrees because i know chevy before it bores out its blocks heats the engine up to 200-210 where ever the optimum temp is... soo is that it??
    yea sorta.

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    the slap is caused by the piston and clyinder bore is to great. so the piston travels off its up and down motion and goes more side to side, durring the up and down motion, so the piston "slaps against the clynider wall. the reason why the "slap: goes away durring op temp or close too. is becuase the ls1 pistons are made of a aluminum alloy. so as the temp increases the alloy expands which then eliminates the piston . so yea its becuase of the build tolerances that some ls1s have no at all and some do. its like a +-.001 build tolerance.

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    both mine do lol

    hehe its cool man get used to it...it wont go away......Especially if u upgrade the valvetrain

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    I got used to it my dad thinks its one of my rockers knockin soo i told him if he dont' believe me then hey by me some SLP 1.7 rockers!

  14. #54
    King 0f n00bz shady milkman's Avatar
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    Quote Originally Posted by 2000SuperSportMaro View Post
    I got used to it my dad thinks its one of my rockers knockin soo i told him if he dont' believe me then hey by me some SLP 1.7 rockers!
    shit show him this thread.

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