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Had to go 0.065 over LQ4 6.0 block =11:1cr 376" for less than $1000 all day build

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Old 10-28-2019 | 10:38 PM
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Originally Posted by g atsma
give it time.... Egotists come to those who wait..... Lol
lmao.
Old 10-28-2019 | 10:39 PM
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Also I have never seen so many knock sensors on a block before in locations that don't make any sense.....
Old 10-28-2019 | 10:53 PM
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Originally Posted by LilJayV10
Also I have never seen so many knock sensors on a block before in locations that don't make any sense.....
Yeah I see no sense, but not knocking it....
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Old 10-28-2019 | 11:09 PM
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Originally Posted by stockA4
I dropped off the block after lunch today. The machinist thinks it should be ok with an overbore but of course we won't know until he starts cutting. I'm really hoping for 0.030-0.040 will be enough but 0.065 would be ok I guess lol
yep hopefully that will do it, I have seen several done to .065 though without any issues..... but who knows
Old 10-29-2019 | 12:05 AM
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Originally Posted by LilJayV10
I'm going with .0327 Bob.


I'm still in at .030 Bob...
Old 10-29-2019 | 09:36 AM
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Originally Posted by G Atsma
Yeah I see no sense, but not knocking it....
My tooner is sooo good he said to mount the knock sensors all over the outside of the block and then I'll be able to triangulate any knocking and see exactly what cylinders are knocking haha just kidding unless seriously you guys think it will work haha.

Seriously though, I'm really hoping 30-40 over will fix it so I can get some cheap but true flat tops for it. Hopefully the machine shop calls today it's getting cold here already so I want to move this project along. I can't wait to drive it in the snow lol
Old 10-29-2019 | 11:19 AM
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Originally Posted by G Atsma
Yeah I see no sense, but not knocking it....
I don't think anyone got the (non)joke..... I'm SOOO dissed..... lol
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Old 10-29-2019 | 11:36 AM
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Originally Posted by G Atsma
I don't think anyone got the (non)joke..... I'm SOOO dissed..... lol
I got it lol
Old 10-29-2019 | 11:37 AM
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Originally Posted by stockA4
I got it lol
YES!! My day is made…..
Old 10-29-2019 | 03:08 PM
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Originally Posted by G Atsma
I don't think anyone got the (non)joke..... I'm SOOO dissed..... lol
thee is no 'HAHA" button, only a "Like" button, so I was unsure what to do .................
..............
./......
........
Old 10-29-2019 | 05:01 PM
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you guys are awesome, haha
Old 10-29-2019 | 08:41 PM
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I talked to the machine shop guys! So they cut it 0.030 and it was still a mess, 0.040 wouldn't do it, they had to take it all the way to 4.065 to Clean it up! He said he's taken the 6.0 blocks even farther than that before (4.125!? He's crazy) without issue many times before and he had no problems with mine so I am relieved I don't have to find another core to start over with.

So then for pistons I need me some 4.065 flat tops for the stock 6.098 rods. Does anyone have any good suggestions for a set of pistons and rings for a piston budget of $300 or less?
Old 10-29-2019 | 08:49 PM
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https://ls1tech.com/forums/generatio...ng-policy.html

Will these work?


Last edited by Che70velle; 10-29-2019 at 09:01 PM.
Old 10-29-2019 | 09:03 PM
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Originally Posted by stockA4
Likely, yes but if I were you I’d try WS6Store first. Your gonna need a full rebuild kit at this point meaning gaskets, seals, bearings, etc. Take a look at their full kit. Pricing will surprise you. I’ve ran their complete kit in the last two 6 liter builds I’ve done with great results.
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Old 10-29-2019 | 09:56 PM
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Originally Posted by stockA4
So they cut it 0.030 and it was still a mess, 0.040 wouldn't do it, they had to take it all the way to 4.065 to Clean it up!

Told you guys it would go .030...+...ish...
Old 10-29-2019 | 10:09 PM
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Originally Posted by CattleAc
Told you guys it would go .030...+...ish...
Yeah I also thought it might go .030 or a little bit of a shitload more...… maybe....
Old 10-30-2019 | 01:01 AM
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Guys I've been digging through every crappy car parts sales website I can find. I just want a true flat-top 4.065 piston for my stock rods for about $300 And I'm not finding it The the only thing I can find are the replacement l92 pistons with rings for about $300 bucks on eBay but they have those stupid valve reliefs cut symmetricaly on the top that steal away quench and compression yuck.
Old 10-30-2019 | 01:22 AM
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Ws6 store only advertises their 6.0 pistons going as big as 4.040 and that's too bad because the price would be right for them if they did. I don't get why either because I talked to four different machinists around St. Louis before I chose one to fix my block and they all said that they had personally pushed quite a few of them a lot further than 0.065 over without any issues and that it would probably be fine if mine needed to go that far.

Punching an LQ4 to 4.065 isn't really a big deal anymore. The great majority of blocks out there could handle even more if needed.
Old 10-30-2019 | 06:50 AM
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Originally Posted by stockA4
Ws6 store only advertises their 6.0 pistons going as big as 4.040 and that's too bad because the price would be right for them if they did. I don't get why either because I talked to four different machinists around St. Louis before I chose one to fix my block and they all said that they had personally pushed quite a few of them a lot further than 0.065 over without any issues and that it would probably be fine if mine needed to go that far.

Punching an LQ4 to 4.065 isn't really a big deal anymore. The great majority of blocks out there could handle even more if needed.
I can’t ever find what I’m looking for on their website, so I call or send them a PM here. They probably have them, but it would be in the 6.2 category I’d guess.
Youll want your machinist to final hone that block to the piston. Meaning, he will need to measure the piston before he sets up final hone in order to get piston-to-wall clearance correct.
You are correct, lots of iron 4” bore truck blocks go .065” or larger.
Old 10-30-2019 | 01:38 PM
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Originally Posted by Che70velle
I can’t ever find what I’m looking for on their website, so I call or send them a PM here. They probably have them, but it would be in the 6.2 category I’d guess.
Youll want your machinist to final hone that block to the piston. Meaning, he will need to measure the piston before he sets up final hone in order to get piston-to-wall clearance correct.
You are correct, lots of iron 4” bore truck blocks go .065” or larger.
Thanks for letting me know about that, I called summit and the cheapest 4.065 for a stock rod was about $500 that's not bad but out of my price range. I also called ws6store and left a message for them I have not heard back yet about the oversize 6.0 Pistons they sell. So I'm really leaning towards the cheap l92 replacement pistons that apparently come 020 and 030 over for now, as I talked to him again this morning and he said it's going to be between 4.065-and 4.095 now! LoL


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