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Old Sep 16, 2006 | 03:07 PM
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From: logan utah
Default aluminum rods

Has anyone ran aluminuim rods if so how much hp have you run.
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Old Sep 16, 2006 | 04:18 PM
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Aluminum rods arent feasible for a street car. They are race only, and unless you are running top fuel or 2500hp+, it wouldnt be worth it. You would have to change them probably every 25-30 races. The only reason auminum is used for connecting rods is to save your crank from being blown out of your oil pan with extremely high cylinder pressures..
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Old Sep 16, 2006 | 06:06 PM
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i am getting new rods for my car and liked how light they were. is their a rod that you guys would recomend i am going 6inch.
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Old Sep 16, 2006 | 06:28 PM
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I think the Lunati Pro Mod rod is only about 420 grams, and is the lightest rod out there. Only problem is it is also one of the most expensive at about $750 a set...
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Old Sep 16, 2006 | 08:15 PM
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that will be good i am spending about 4000 on the car this winter. just need pistons ross about 1000 nology wires 250 front springs and the rest just whatever. thanks for all the help.
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Old Sep 18, 2006 | 10:35 AM
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I'd check with Carrillo and Oliver to see what they've got too. I know Oliver makes an ultra-light rod, but not sure about Carrillo. The thing to remember is that when it comes to rotating assembly, the lighter the component, the higher the cost.

If you're dead-set on aluminum...GRP.
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Old Sep 18, 2006 | 10:43 AM
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what kinda motor is this?

my carrrilos weight 620 with bolts i think in my gen1 sbc
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Old Sep 18, 2006 | 11:06 AM
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unless your planning to tear down and inspect often and its not a street car like above stay away from alum, they are super light but tend to deform with time because of the material
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Old Sep 18, 2006 | 03:49 PM
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I have GRP aluminum rods, 1600+hp.

Tom
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Old Sep 18, 2006 | 03:51 PM
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Originally Posted by FSTR-THANU
I have GRP aluminum rods, 1600+hp.

Tom

Ditto...
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Old Sep 18, 2006 | 07:07 PM
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From: logan utah
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right now i am running stock polished rods that are a little lighter. I would love to go aluminium but dont want to tear it down that much and i drive on the street alot. after looking at some i think i will go lunati 6inch super light 620grams. my rotating weight right now is pretty light it is the lightest small block we have balanced. the block is a 97 vortec four bolt out of a truck with arp main and head studs. thanks for all the input that is what is nice about this board with all the peopl on it.
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Old Sep 27, 2006 | 11:11 PM
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Just wondering why you can't use aluminum connecting rods on the steet? I know what everyon says about tearing the engine down and inspecting them but, BME says that it is a big myth around the gearhead crowd. Just kinda makes me wonder.
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Old Sep 28, 2006 | 10:26 AM
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Because aluminum rods stretch, twist and compress far more than a steel rod.
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