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Replacing rod bolts while motor is still in car?

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Old 09-28-2012, 03:16 AM
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Either set will "most likely" send them out of round.
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Old 09-28-2012, 09:20 AM
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This is why it is definitely the best measure to have them checked out anytime you do this, no matter what bolt...
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Old 09-28-2012, 12:35 PM
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you might not be able to read it but you sure as hell can watch it



But on a brighter note , i did it in the car and the motor was fine . 428 to the rear wheels every year for 4 years in a row now.

Originally Posted by Jake@Texas-Speed
Unfortunately I have yet to find that thread, for whatever reason... I don't have a set in stock at the moment, nor do I have a spec sheet here, but Im sure a quick call to them would most likely answer your questions.
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Old 09-28-2012, 12:53 PM
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Originally Posted by bww3588
Look around outside your world Mr perfect and see some of the instances. You think I only checked 1 set of rods? This is not my first rodeo with these rods and bolts. Out of 5 sets I have personally done, one was very close to spec. Still out, but very close. The rest were all out in left field somewhere.

I also know that I'm not the only one who has experienced this, so saying "one set will most likely not make them out of round" is false information.
I will consider that argument. It's clean and has supporting statement without an end all absolute. (and no swear words)

Well done.

Originally Posted by yomama
But on a brighter note , i did it in the car and the motor was fine . 428 to the rear wheels every year for 4 years in a row now.

Glad to hear it, and good to know.. Katech's bolts correct?
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Old 09-28-2012, 04:01 PM
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Arp bolts torqued to 55 ft/lbs no stretch gauge.
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Old 09-28-2012, 08:50 PM
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Originally Posted by yomama
Arp bolts torqued to 55 ft/lbs no stretch gauge.
Hmm. Also good to know. I ended up with around 45-47ft lbs (tested after using stretch method) on my ARP's
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Old 09-28-2012, 09:52 PM
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Originally Posted by 95ONE
I will consider that argument. It's clean and has supporting statement without an end all absolute. (and no swear words)

Well done.
On a side note, these were all properly stretched. I believe that one set would have fallen in spec if I wouldn't have stretched them, but just torqued them to spec. Who knows. I agree it is best to check each set and not do them in the car.
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Old 09-29-2012, 12:13 AM
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Here's the Katech thread in case anyone can't find it.

https://ls1tech.com/forums/ls1tech-s...t-claimed.html
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Old 09-29-2012, 12:45 AM
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Fwiw I have 750 miles so far with Katechs and no problems. Has anyone had a motor blow with them?
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Old 09-30-2012, 12:31 PM
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Originally Posted by dr_whigham
Here's the Katech thread in case anyone can't find it.

https://ls1tech.com/forums/ls1tech-s...t-claimed.html

Thank you sir!
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Old 09-30-2012, 12:54 PM
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I've used (replaced while motor in car, one bolt at a time, no cap removal) 3 sets of katech bolts. 3 different motors and none had failures due to bearings. In my 01 camaro, they lasted 70k miles at 6800 shifts. (until a nitrous spike took #5 & #7 pistons out).
Maybe I just had good luck with them, I dunno.
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Old 09-30-2012, 03:12 PM
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Keep the info coming.
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Old 10-01-2012, 05:44 PM
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my friend put in my katechs one at time while motor was still in car..that was bout 5 years ago..still goin strong
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Old 10-01-2012, 09:40 PM
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can the OP install some newer GM rod bolts ?
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Old 10-04-2012, 01:22 AM
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Originally Posted by garygnu
can the OP install some newer GM rod bolts ?
And remember, no gnews is good gnews. The Great Space Coaster morning show for kids in the 80's. Good stuff.
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