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.060 over in a stock 6.0 ironblock possible??

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Old 12-09-2009, 11:44 AM
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Default .060 over in a stock 6.0 ironblock possible??
i ran into a stroker kit at an awesome deal but it comes with .060 over pistons. is it possible to bore my engine out .060 over? it is an lq4 ironblock with 30k miles on it im going with l92 heads and a custom grind cam
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Old 12-09-2009, 12:35 PM
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anyone>?
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Old 12-09-2009, 12:40 PM
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um, give it some time. less than an hour is not a lot. besides, a lot of these guys are at work and stuff
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Old 12-09-2009, 12:44 PM
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its probably doable, but then u have nowhere to go the next time... how about selling the 60 overs and buying some 10 or 20 overs?
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Old 12-09-2009, 12:56 PM
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Originally Posted by someday
its probably doable, but then u have nowhere to go the next time... how about selling the 60 overs and buying some 10 or 20 overs?
well the block sits at .030 right now and 3 of the sleeves are scratched. .040 over pistons run me half of what the stroker kit costs so i might as well go all out with the .060
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Old 12-09-2009, 02:15 PM
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Do it. Mine went .070" no problem; but I did fill mine up to the water pump passage with HardBlok.
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Old 12-09-2009, 02:28 PM
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Im curious as well.

I read this book and it says you can do it safely:
https://ls1tech.com/forums/generatio...blication.html
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Old 12-09-2009, 03:02 PM
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I had a 4.060 bore iron block back in 2000-2002. I was told that the machine shop would need to look the block over, and make sure that core shift was not a problem.
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Old 12-09-2009, 08:39 PM
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Originally Posted by Just_Robert
Im curious as well.

I read this book and it says you can do it safely:
https://ls1tech.com/forums/generatio...blication.html
Yeha I have that book, they say .030" over is the max for power adders, and .060" over is the max for all motor engines. the block should be sonic tested for anything over .060"
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Old 12-10-2009, 08:58 AM
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sweet anything else i have to worry about???
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Old 12-10-2009, 01:40 PM
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get it sonic tested first.
then decide if it will handle the stress of a strojker assembly.
with stock crank mine is at .060 over, 490rw n/a 200 shot and going on 50k miles
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Old 12-10-2009, 01:42 PM
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60 over on a 6.0 block is fine
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Old 12-10-2009, 08:20 PM
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Originally Posted by NemeSS
get it sonic tested first.
then decide if it will handle the stress of a strojker assembly.
with stock crank mine is at .060 over, 490rw n/a 200 shot and going on 50k miles
sweet pm sent for more info
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Old 12-10-2009, 10:29 PM
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Well, I'm taking mine tomorrow. I'll post up if they say or recommend anything.
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Old 12-11-2009, 12:46 PM
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I believe the fastest LSx truck runs a 414 cid ( 60 over 4" stroke 6.0 iron) from HKE. It's not something we recommend but it can be done quite successfully.

We like to leave some clean up room in a block but if your not worried about a rebuild if something goes wrong then it shouldn't be a problem.
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Old 12-14-2009, 10:37 AM
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Originally Posted by 99blancoSS
I believe the fastest LSx truck runs a 414 cid ( 60 over 4" stroke 6.0 iron) from HKE. It's not something we recommend but it can be done quite successfully.

We like to leave some clean up room in a block but if your not worried about a rebuild if something goes wrong then it shouldn't be a problem.
wow thanks for the help everyone
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