Race crank on the street?

5

56cummins

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Mar 21, 2014
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Any downfalls on a street application running an automatic?


On a side note, you don't have a stock replacement listed on your website, do you still have them?
 
We have 7,500 hard street miles/loaded towing miles on the Hamilton lightened race crank and Ceramic Matrix pistons so far, so good! No downsides that we have noticed.
 
No downside that I can find. They come up on rpm a bit faster as well as lose rpm a bit faster as there is less weight to resist the change in RPM.
-Less overall weight
-change in rpm is faster
-additional fluidamper pins pre-drilled


Sorry, but we no longer sell the oem style cranks. Since we came out with these, there is no reason to carry both
 
Glad to hear this as I was planning on running one in my 6.7 short block I plan on swapping into my 04.5 truck.
 
Big Blue24 said:
We have 7,500 hard street miles/loaded towing miles on the Hamilton lightened race crank and Ceramic Matrix pistons so far, so good! No downsides that we have noticed.
Click to expand...

More info on the injector size? And are you running a hamilton block as well? Thanks!
 
ramthiscummins said:
More info on the injector size? And are you running a hamilton block as well? Thanks!
Click to expand...

This is on a 6.7 Common Rail with 100% over injectors and a stroker pump. And yes, it's a Hamilton street block. It's not high enough power to test the limits of the block, but it does get driven enough to test the reliability of the crank, pistons, and 24v warhead.
 
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