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K1 Rods/Crank

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Old 11-24-2009, 05:46 PM
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Anyone running K1 cranks and or rods??? Good stuff???

Ron
Old 11-25-2009, 12:49 AM
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I'm running them in an iron 6.0 block, stock crank, with Diamond pistons. Still collecting parts/planning mode. My engine builder said they will have no problem withstanding 1000rwhp and proper tune. I believe he said it was the same manufacturer as Eagle components.
Old 11-25-2009, 12:53 AM
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My engine builder at SAM wanted to build my motor with K1 rods. They don't make a 6.100" rod so I went with Scat. I heard the finishing process is done here in the states. I'm sure they are good.
Old 11-25-2009, 05:15 AM
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I'd run with Callies Compstar.
Old 11-25-2009, 05:34 AM
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I heard a rumor that the rods were a Carrillo based item ?

like a je /srp type deal?

Any truth to this?
Old 11-25-2009, 07:45 AM
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Tom Molnar started K1 Technologies a few years ago. He worked for Carillo for a long time, I believe designing connecting rods. With the reputation Carillo has in the racing industry, I wouldn't think twice about using K1 stuff with the same guy designing their parts.

Last I knew, K1 was part of the Dover Corporation, the same company that owns Wiseco & JE Pistons. Their components are forged overseas and finished here in the US, just like Compstar.

I'm going to run a K1 4.00" crank and H-beam rods in my new engine, shooting for ~700rwhp.
Old 11-25-2009, 07:47 AM
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i have heard of them, but dont know much
Old 11-25-2009, 10:17 AM
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Originally Posted by ss1
Tom Molnar started K1 Technologies a few years ago. He worked for Carillo for a long time, I believe designing connecting rods. With the reputation Carillo has in the racing industry, I wouldn't think twice about using K1 stuff with the same guy designing their parts.

Last I knew, K1 was part of the Dover Corporation, the same company that owns Wiseco & JE Pistons. Their components are forged overseas and finished here in the US, just like Compstar.

I'm going to run a K1 4.00" crank and H-beam rods in my new engine, shooting for ~700rwhp.
The above is pretty much on Par. Got the same info at them Memphis race. K1 is good stuff.
Old 11-25-2009, 11:28 AM
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We run the K-1 crank and rods in all our Hemi builds and some of our LS engines. Never had a failure.
Old 11-25-2009, 11:44 AM
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Ive got K-1 rods in my motor and Im at 754rwhp. I know Weber Racing uses them in a lot of builds.
Old 11-25-2009, 02:15 PM
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MikeP on this forum is running K1 stuff. He swears by it & his car put down 770 and was spinning on the dyno, so there is more there. It's a 383 w/ a D1 running about 13#.


I am building a 347 right now, and after MikeP's shake down, I am very confident w/ the K1 rods.
Old 11-25-2009, 02:58 PM
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I was wondering about K1 components just last night and looking over the rotating assemblies. I am planning on building an ls3 418 stroker. I priced up a rotating assembly from texas-speed using callies compstar crank,compstar rods and wiseco pistons no balancing and no bearings and it came to 2500 bucks. Is the K1 stuff just as good and what are the prices of the rotating assembly?
Old 11-25-2009, 04:03 PM
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Thanks. My engine builder said the finish on these are just awsome compared to all other brands. I will be using these w/ Wiseco pistons.

Thanks - Ron
Old 11-25-2009, 04:23 PM
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Tom worked for Oliver for many years, not carillo. Great guy to deal with. he will be the first person to tell you if he doesn't think his product is suited for your build.
Old 11-25-2009, 06:43 PM
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You're right, Tom worked for Oliver and not Carillo. The confusion came in because Carillo bought K1 a couple of years ago but I am not sure if that is still the case.

I think Brian Nutter of Wiseco would be able to give us more exact info on the subject.
Old 11-26-2009, 12:25 PM
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Im assembling a 376 with my Billet upgrades using Toms K1 rods, and Wisecos from brian Nutter. I have no doubt in my mind they will be fine.
Old 02-06-2020, 07:47 AM
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Default Chevy-5.3

Originally Posted by TT402LS1
Anyone running K1 cranks and or rods??? Good stuff???

Ron
My motor will be out of the machine shop this week. I went with k1 for my rods. I went 20 over on bore comp cam and aftermarket crank and the turbo is on my table lol. We will see how they last

Last edited by Fitup_reid818; 02-06-2020 at 09:16 AM.
Old 02-06-2020, 09:10 AM
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K1 crank and rods standard bore ls2. 1250hp no issues
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Old 02-06-2020, 10:52 AM
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9 year thread wake up!
Old 11-09-2023, 08:07 PM
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Originally Posted by Racesloth
9 year thread wake up!
I just bought a k1 crank and rods with summit pro ls pistons. Can't wait to try it out. Gotta have the 6.0l lq4 block machining done. Trying to find a good place near northwest indiana. Got a few more parts to buy the crank and rods bearings and c5r timing chain and Johnson lifters.



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