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Mahle PowerPak question...

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Old Jan 10, 2007 | 12:20 PM
  #1  
hotrod18_69's Avatar
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Mahle PowerPak question...

Tried in the LT1 section first but didn't get any response..

Before i go off and buy these.. I am still using the stock PM rods out of my 97 and putting ARP bolts in them.. Now I noticed that the Mahle powerpak have a Floating pin.. Can i still use my stock rod with a floating pin? Or will i have to get new rods or have the stock ones bushed?
Old Jan 10, 2007 | 12:34 PM
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Jlo
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It's cheaper getting new rods like the scats and there 4340 forged. I also have the mahle pistons but on eagle H beams also full floating.
Old Jan 10, 2007 | 12:41 PM
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Yeah thats what i was thinking too.. But i already bought the ARP bolts for the stock rods...
Old Jan 10, 2007 | 01:53 PM
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Typically there is no issue using a floating piston on a pressed rod. Just don't use the spriolocks.
Scott
Old Jan 11, 2007 | 07:16 PM
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Kevin Blown 95 TA's Avatar
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You should have your rods resized and pins fitted at a machine shop. I don't think they have to be bushed because I have built motors in the past where they did that for me and there weren't any issues with it although some rods like oiling holes drilled in them, which they did in my case - that was in my Mopar days. At least ask about it to see what it costs. My engine that I have now, I have the Mahles and having the pins fitted to new Lunati rods was pretty cheap.
Old Jan 11, 2007 | 07:53 PM
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A floating pin requires a bushed rod.
Old Jan 12, 2007 | 10:41 PM
  #7  
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Ok well, this just seems like a better option... Can't beat the price.
http://www.cnc-motorsports.com/produ...22&CtgID=21452

I'll just sell my stock rods and ARP bolts..
Old Jan 13, 2007 | 07:52 PM
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Question

Originally Posted by MachinistOne
A floating pin requires a bushed rod.
What about Casidium coating the wrist pin like th NASCAR engines use? floating pins with no bushings (lighter). Of course that's a single-use engine really... but it supposedly works well in longer applications as well.

I wouldn't try it on my engine mind you ... but it is techincally possible I've read... I'm just not aware of the clearances you need to open up to make it work right.
Old Jan 13, 2007 | 08:04 PM
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Originally Posted by Steve in Seattle
What about Casidium coating the wrist pin like th NASCAR engines use? floating pins with no bushings (lighter). Of course that's a single-use engine really... but it supposedly works well in longer applications as well.

I wouldn't try it on my engine mind you ... but it is techincally possible I've read... I'm just not aware of the clearances you need to open up to make it work right.
To the best of my knowledge(read about it but never used it) it is not for a daily driver.
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