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PQ, you are lucky regarding the balance question! In a 3liter engine with std pistons and JK rods, you are only off by 1% as far as the balance factor is concerned in relation to the std rods. In practical terms, this means you don't have to rebalance. If you also change to forged pistons, then you definitely need rebalancing.
Std rods with bearings are 661gr, JK rods with bearings are 643gr (lightening std rods the best possible way results again in 643gr but with about 30kpsi less tensile strength compared to these 4340 steel rods)
Jim K.

Well I never balanced the assembly with the JEs. Wish I had done it. I'll do the THS (or is it JK?) rods in the 24V.

Really man? You're getting rods for the 24v?? I didn't know you were going all-out on this one. You wouldn't be converting to solid lifters would you?

If you look at the label on the box Z, the p/n is: THSROD-AV6JK...must be some connection there! Jim K.

I never noticed that. I will have the wife update my site and start calling them THSJK rods or something like that.

Greg

Grant,

I don't need solid lifters as I don't plan to go past 7500 rpm. Once you start going past 7500 rpm regularly, everything will start to wear down quickly, valve float, guibo blowing up every year, etc. Too many problems.

Right now with a 6900 rpm limit, my guibos have lasted more than 4 years. But why I chose the rod is, the failure on these would be catastrophic. Broken block, bent valves, pistons, etc. And this can happen since the rods on my 24V is around 80K miles already.

Besides have you checked the price for stock V6 rods + rod bolts? Stock rod bolts alone will cost you $130. You may as well get the JK's con rods, comes with ARP bolts.

This won't be a race motor, just a slightly warmed up 24V. Maybe a 3.2, that's it. Most parts are already here, except for my runners and plenum.....

Sounds like a smart plan. Someone warn Louis then; his car sees redline leaving his street

Did you decide on cams/no cams?

That's pretty awesome that you've got your own rods, Jim!

It seems that THS rods are 131.1mm long, but my std 24V were 0.2mm shorter. Are THS rods ment to be longer, or are my std rods shorter than usually?

wow, center to center is 0.2mm off???

The 0.2mm would add compression up from 10:1 to 10.2:1. That wouldn't be bad in most of cases, but I'd like to know if the std cr 10:1 should come true with 130.9mm rods, not 131.1mm.