gotta replace b18 LS pistons due to nos.any ideas? on compression

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Old Aug 14, 2002 | 06:21 PM
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Default gotta replace b18 LS pistons due to nos.any ideas? on compression

Ok the pistons are gone and block has to be honed and bored. still wanna run nos kit 50shot and need new pistons. what do you guys recomend? should i go with higher compression while im in there? what compression can i go with without worrying about the valves hitting? also i can only get 92 octane gas. thanks for the help


[Modified by turboex, 3:21 AM 8/15/2002]
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Old Aug 14, 2002 | 08:12 PM
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Default Re: gotta replace b18 LS pistons due to nos.any ideas? on compression (turboex)

10:1 SRP or wisecos
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Old Aug 14, 2002 | 08:38 PM
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Default Re: gotta replace b18 LS pistons due to nos.any ideas? on compression (turboex)

usually with forced induction you want to run lower compression
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Old Aug 14, 2002 | 11:09 PM
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Default Re: gotta replace b18 LS pistons due to nos.any ideas? on compression (GudeH23a)

usually with forced induction you want to run lower compression
ya except for nitrous oxide u wanna run higher compression
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Old Oct 29, 2002 | 09:11 AM
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Default Re: gotta replace b18 LS pistons due to nos.any ideas? on compression (turbo craig)

usually with forced induction you want to run lower compression ya except for nitrous oxide u wanna run higher compression
bringing this back from the dead, but that doesnt make any sense to me. with a small shot like 50 its not a big deal but with any FI its just safer for tuning etc to be lower. high is good but doesnt give you as much leeway. correct me if im wrong.
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Old Nov 7, 2002 | 10:55 AM
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Default Re: gotta replace b18 LS pistons due to nos.any ideas? on compression (blufke)

if you plan to add anything to the a/f ratio its best to go with lower compression. with nitrous or any foced induction you should retard the timing also. with nitrous you should retard 1 degree for every 20hp shot you use.
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