LT1-LT4 Modifications 1993-97 Gen II Small Block V8

355 question

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Old Apr 13, 2008 | 06:23 PM
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From: independence
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im about to build my new motor and i was just wanting some opinions weather i should use 6 inch or 5.7 either way im buying new rods just wanting to know what people think is better
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Old Apr 13, 2008 | 06:42 PM
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6" and custom pistons
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Old Apr 13, 2008 | 06:57 PM
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just asking why is that better
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Old Apr 13, 2008 | 07:09 PM
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NO custom pistons needed and is very common on a 355 hell a lot of 6.125 rod 355s out there even.

Forget the benchracing crap about dwell, torque, sideload all that crap. Simple reason is longer rod makes for a lighter assembly which will be more reliable at higher rpms. A little lighter piston is a LOT less tension on the rodbolts at 6500rpms when the crank tries to pull it back down from TDC.
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Old Apr 13, 2008 | 07:17 PM
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ok sweet i just bought a set of pistons for a 5.7 but my friend has pistons for the 6 inch and rood and said he would sell the rods and trade the pistons i was wondering if it helped so the 6 inch rods should make more power and hold up better than the 5.7 is what im hearing
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Old Apr 13, 2008 | 07:23 PM
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My new set up is using eagle 6.125 rods and Mahle pistons
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