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Old 03-17-2020, 10:20 AM   #1
56cummins

Name: 56cummins
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Race crank on the street?

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?
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95 cummins
 
Old 03-17-2020, 10:26 AM   #2
Big Blue24
 
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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.
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95' 2wd Junker Drag Truck
1502 HP Fuel-Only 12mm P7100 Pump
SXE 472 over GTX55 116mm
OEM 12v Block
 
Old 03-17-2020, 10:29 AM   #3
Texashighways

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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
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Old 03-17-2020, 08:47 PM   #4
SKYNYRD
 
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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.
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79 VW rabbit diesel (ALH & 4motion )
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Old 03-17-2020, 10:09 PM   #5
56cummins

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Thanks guys.
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Old 03-19-2020, 08:09 PM   #6
ramthiscummins

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Quote:
Originally Posted by Big Blue24 View Post
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.
More info on the injector size? And are you running a hamilton block as well? Thanks!
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2003 QCSB cummins, DDP 12mm CP3, DDP SM 150% overs, a turbo, Firepunk diesel 48re
 
Old 03-23-2020, 03:28 PM   #7
Big Blue24
 
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Quote:
Originally Posted by ramthiscummins View Post
More info on the injector size? And are you running a hamilton block as well? Thanks!
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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95' 2wd Junker Drag Truck
1502 HP Fuel-Only 12mm P7100 Pump
SXE 472 over GTX55 116mm
OEM 12v Block
 
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