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Old 01-21-2016, 06:31 PM #1
Whizkidnight
 
 
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Better bolt

Which is the better bolt for a 04 prostock pump? The original aluminum or the delrin (sp?)?
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Old 01-21-2016, 08:02 PM #2
Dk-79
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I prefer delrin, but in a pump you won't notice a whole lot of difference in how the thing shoots paint, you'll just have a lighter pump stroke.

Delrin is usually better all around. Less wear and tear and such.
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Old 01-21-2016, 08:02 PM #3
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I like delrin just cause it's lighter so there's less reciprocating mass
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Old 01-27-2016, 12:51 PM #4
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Derlin all the way. Orings suck.
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Old 01-27-2016, 11:07 PM #5
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Does anyone prefer aluminum?
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Old 01-28-2016, 12:20 AM #6
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For a pump, aluminum should be fine; I don't think anyone would notice the lower mass, since it's not actually reciprocating upon shooting, the force of the pump stroke should feel about the same for a human arm.

As for the o-ring comment, I think the detent is much more of a hindrance to the pump stroke than the o-rings on the bolt.
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