I'm building an LM7 for my 92 S10. I plan on eventually running 7-10psi off of a Procharger with a goal of around 500WHP. I an getting Wiseco forged pistons and KaTech Rod bolts. Will these two additions be able to handle 500WHP on a daily basis once the Procharger is put on with the stock crank and stock rods? I know the rod bolts are almost mandatory for anything over 400WHP.

 

I'm not sure that Wiseco makes pistons for stock rods, but if they do yes that is enough. If not you might need 6.125 rods. No it is not mandatory at that power level, but preferable.

 

Why the stock rods?

While that's not a lot of power for the stock rods to theoretically handle, why not upgrade the rods to even a basic forged piece for not much more while you already have the block apart?

Think about this way. Stock rods + katech bolts will probably run you ~$250. A set of Eagle or Callies forged H beams (with arp 2000 bolts) is only $300 more and will be much stronger than OEM ones.

IMO that's well worth it.

 

These are the ones that I am looking at.

http://texas-speed.com/p-741-wiseco-...l-engines.aspx

Comments?

 

If I get the 6.125 H-Beam Callies Rods, will those work with the Wiseco pistons? Not much on the internet that states the wrist pin numerical value.