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Old 01-12-2019, 04:31 PM   #1
AntiqueCR

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Aluminum rods!?

Anybody have any input on aluminum rods ? Mostly track use truck maybe cruis around looking for imports once in a while. How long would I expect for life span on a aluminum rod at about 15-1600hp in a cr??? Any help would be appreciated
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Old 01-12-2019, 06:03 PM   #2
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Gonna really depend on how many passes you make. I wouldnt expect to get more than a season or two out of them. Why do you want AL rods?
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Old 01-12-2019, 06:23 PM   #3
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wagler made a set for milliken to use in the nova. imo money can be spent elsewhere, itís a tractor engine..
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Old 01-14-2019, 08:30 PM   #4
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Milliken just smoked his with low oil pressure, not really the rods problem. He's 2500+ and makes a lot of passes

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Old 01-14-2019, 08:31 PM   #5
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I would be glad they were billet steel rods in it and not aluminum. My guess their would be much more damage if so.
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Old 01-15-2019, 05:27 AM   #6
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Aluminum isn't a good material choice for rods because they will fatigue. Esp in a long stroke high torque engine.
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Old 01-15-2019, 06:24 AM   #7
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Quote:
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Aluminum isn't a good material choice for rods because they will fatigue. Esp in a long stroke high torque engine.
they work in a 12,000 hp fuel dragster. would work in any diesel just need replaced a lot sooner
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Old 01-15-2019, 07:34 AM   #8
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they work in a 12,000 hp fuel dragster. would work in any diesel just need replaced a lot sooner

Top fuel replaces them after every pass.
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Old 01-15-2019, 07:53 AM   #9
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Top fuel replaces them after every pass.
And they're making 12,000hp so every little thing counts.


OP. Use steel rods. No need to reinvent the wheel for 1500hp.
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Old 01-15-2019, 07:56 AM   #10
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And they're making 12,000hp. Every little thing counts.
I know why they are replaced. Those engine are a controlled explosion. I was only making the point that top fuel was nowhere near a proper comparison to a Diesel.
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Old 01-15-2019, 07:59 AM   #11
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I know why they are replaced. Those engine are a controlled explosion. I was only making the point that top fuel was nowhere near a proper comparison to a Diesel.
I was agreeing with you. Just reinforcing that they only need them because they are going after every last drop.
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Last edited by zfaylor; 01-15-2019 at 08:01 AM.
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Old 01-15-2019, 08:00 AM   #12
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I was agreeing with you.
Then we'll just have to agree to agree
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Old 01-15-2019, 12:48 PM   #13
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Quote:
Originally Posted by AntiqueCR View Post
Anybody have any input on aluminum rods ? Mostly track use truck maybe cruis around looking for imports once in a while. How long would I expect for life span on a aluminum rod at about 15-1600hp in a cr??? Any help would be appreciated
The +1Ē steel rods in my deck plate engine are only 84grams heavier then the stockers I just pulled out of a customers engine. Iíve had v8 international garbage be off more then that on one assembly. In other words if weight is a concern, there are some decent steel options out there.
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Old 01-15-2019, 07:26 PM   #14
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Top fuel replaces them after every pass.
Only if they're too short
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Old 01-15-2019, 07:37 PM   #15
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To be fair, a rod in a V8 engine has a much easier life than a longer stroke straight 6 and isn't a very good comparison. The difference being close to 1 inch longer stroke puts a lot more stress on parts.
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