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LSX nitrous piston

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Old 04-21-2010, 03:28 PM
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Default LSX nitrous piston
Heres a Diamond piston we custom spec'd for plenty of nitrous. LSX tall deck block.
Minus any coating or anodizing its tough as you can make them.



Attached Thumbnails LSX nitrous piston-dpcustom.jpg   LSX nitrous piston-dpcustom1.jpg  
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Old 04-21-2010, 04:01 PM
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Looks good. What's the ring package sizing?
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Old 04-21-2010, 04:27 PM
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Very nice piece! Looks like plenty of support around the wristpin area!
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Old 04-21-2010, 04:28 PM
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Originally Posted by JPH
Looks good. What's the ring package sizing?
For this application we normally use a .043" 1st/2nd ring

this will be driven on the street, went with 1.5,1.5,3.0

Fraser
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Old 04-21-2010, 04:57 PM
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Originally Posted by AES Racing
For this application we normally use a .043" 1st/2nd ring

this will be driven on the street, went with 1.5,1.5,3.0

Fraser
Ah, I see. Cool. Keep up the good work.
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Old 04-21-2010, 05:23 PM
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That extra deck height sure helps.
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Old 04-21-2010, 06:22 PM
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Originally Posted by fafnir
what are the piston weights?

also, what stroke/rod length is the piston spec-ed for?

thanks for the time



_
498 grams piston / 122 grams pin

4.250" stroke
6.300" rod
1.250" CH

GRP aluminum rods.

Glad I was able to see the pistons before ordering rods,
changed dimension on the small end of the rod slightly.

Originally Posted by JPH
Ah, I see. Cool. Keep up the good work.
thanks
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Old 04-21-2010, 08:40 PM
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Very Nice !!

Any pics of the tops with valve reliefs cut in them?
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Old 04-21-2010, 08:52 PM
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Originally Posted by ATVracr
Very Nice !!

Any pics of the tops with valve reliefs cut in them?
Its just regular flat top with valve reliefs, I didn't like the pics of the tops of the pistons for, i'll get a light box one of these days for pictures.

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Old 05-10-2010, 04:51 PM
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Rods came in and pistons are back from coating

GRP 2000 series rods, 7/16" ARP 2000 rod bolts
rods are 544 grams.

Attached Thumbnails LSX nitrous piston-img_3775.jpg  
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Old 05-11-2010, 08:27 AM
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Nice.

Are the valves small? or do they not sink into the piston lot?
All of our flat top pistons always have the valve relief into the edge of the piston which sucks for nitrous as I'm sure you know.
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Old 05-12-2010, 12:51 AM
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Originally Posted by ATVracr
Nice.

Are the valves small? or do they not sink into the piston lot?
All of our flat top pistons always have the valve relief into the edge of the piston which sucks for nitrous as I'm sure you know.
2.125"/1.60" valves

I'd rather have to cut the reliefs then have too much valve relief for no apparent reason, that mentality doesn't work for everyones budget. Theirs plenty of material in those pistons, we should be fine though on clearance, I'll let you know how it goes.
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Old 05-12-2010, 03:19 AM
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Is there an oiling hole on the big end of the rod cap?
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Old 06-27-2010, 06:05 PM
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How well do those rods fit with that stroke?
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Old 06-28-2010, 02:05 AM
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Originally Posted by Beaflag VonRathburg
Is there an oiling hole on the big end of the rod cap?
I think you're looking at the dowel pin?

Originally Posted by Firehawk441
How well do those rods fit with that stroke?
In terms of? The pistons clear the counterweights.
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Old 06-28-2010, 03:37 AM
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gotta love a street driven motor with aluminum rods!

that's going to be a screamer
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