RobHayes
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Registered: 6th Sep 03
Location: Lincolnshire
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what are the advantages/disadvantages of these, over standard pistons?
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RobHayes
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Registered: 6th Sep 03
Location: Lincolnshire
User status: Offline
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also what are slipper pistons?
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miles
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Registered: 25th Mar 02
Location: plymouth Drives: Astra Sport
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Depends what spec of omegas they are. If they are the intruder type they will give much more compression. Generally I imagine they will be stronger, whether your engine spec would need this strength I'm not sure.
Slipper pistons, cant really remember but i think its something to do with the piston skirt.
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Cybermonkey
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Registered: 22nd Sep 02
Location: Sydney, Australia
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slipper pistons are far more robust over standard forged items, its all about the design process with the skirt. highly unlikely you will need these in a corsa engine unless you plan on a 10k rev limit
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Cybermonkey
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Registered: 22nd Sep 02
Location: Sydney, Australia
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also better heat treated
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Paul H
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Registered: 11th Aug 03
Location: Lincoln.
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as said above they are lighter and are a lot stronger.i have a set in my 1293 mini.very impressed with them.it hasa 8k rev limit which is a hell of a lot for a mini engine
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AK
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Registered: 5th Jul 00
Location: Aberdeen City
User status: Offline
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slippers are lighter too (plus you need new rods to fit the skirt)
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James R
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Registered: 4th Feb 03
Location: 205GTi16/306GTi16
User status: Offline
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you need forged pistons if you'r reving over 8k really as the std pistons aren't really up to it.
The intruders are needed for high lift/duration cams as the longerover laps reduces the effective CR, so a higher static CR is needed to maximise the actual.
Slipper piston's are designed to be as light as possible to allow them to be used in high rpm engines, 10k+ they do not last as long as they have less skirt whihc causes higher pressures on the skirt there is asn hence faster wear.
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