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World block Thanks for your reply, Steve, Have you used an Indy iron wedge block before?

Has anyone dealt with World Products Big Block wedge iron blocks recently? There was a time a few years back that quality of these blocks was suffering, to the point where we were told not to buy any blocks that were cast during a certain production run. Has anything changed since then? I...

Has anyone used the cylinder heads built by "Mrperformance" on e bay? The price for the 440 cylinder heads he builds seems compelling, but not sure about the quality and reliability. He claims he uses only American made parts, but it's likely the castings are made in China where everyone else...

Has anybody used cylinder heads from an e bay seller called Mrperformance? He builds and sells big block mopar cylinder heads for a reaonable price. He claims to use only American made parts, but I'm pretty sure he gets his castings from offshore sources, just like everybody else. Not sure...

Thanks for all the replies. I looked at the Holley website, and looks interesting, but they seem to concentrate on Chevy MPI intakes. The only thing for Mopars is the universal kit which forces you to machine your own intake manifold to install the fuel injector rails. Wish they would have a...

Fast (EZ or race EFI system), seems to be the only aftermarket manufacturer that will support over 600 hp, as far as I know. With Fast system, you must go with dual quad setup over 600 hp. Cheers

Thanks for all the replies. My engine will be in the 700-800 hp range. MSD and Holly systems can't handle that kind of flow. MSD's throttle body can't be upgraded to higher flow injectors, and Holley's don't have enough airflow at all. Go for it Watermelon! It's only money.

Has anyone used the new FAST EZ-EFI system? Sounds like a good alternative to a carb setup, IMHO.