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building LSVTEC for boost what compression for pistons

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Old 06-16-2004, 05:50 PM
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Default building LSVTEC for boost what compression for pistons

Im building LSVTEC Im going to have sleeves and forged pistons and rods so i need to know what compression to use for reliability and power i have 3g hondata and a 57trim turbo with .63 ar please help
Old 06-16-2004, 05:51 PM
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Default Re: building LSVTEC for boost what compression for pistons (BOOSTED-EG)

9-1
Old 06-16-2004, 05:55 PM
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Default Re: building LSVTEC for boost what compression for pistons (86si)

i was told to get 9.8:1 or 10:1 more compression less boost more power
Old 06-16-2004, 06:00 PM
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Default Re: building LSVTEC for boost what compression for pistons (BOOSTED-EG)

how much boost do you plan on running,how well built is your lower end going to be,and what is your engine management???
Old 06-16-2004, 06:06 PM
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Default Re: building LSVTEC for boost what compression for pistons (86si)

im going to fully build the bottom end with sleeves forged pistons and rods and all the bells and whistles i want to be able to run 25 psi on race fuel i have hondata stage 3B and RC 550 injectors it is externally gated
Old 06-16-2004, 06:18 PM
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Default Re: building LSVTEC for boost what compression for pistons (BOOSTED-EG)

again 9-1,I am running 23psi c-16 fuel,zdyne ecu on a fully built d16a1(88teg)trust me you won't be dissapointed
Old 06-17-2004, 07:44 AM
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Default Re: building LSVTEC for boost what compression for pistons (86si)

9:8:1 CP pistons here
Old 06-17-2004, 07:49 AM
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Default Re: building LSVTEC for boost what compression for pistons (BOOSTED-EG)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by BOOSTED-EG &raquo;</TD></TR><TR><TD CLASS="quote">im going to fully build the bottom end with sleeves forged pistons and rods and all the bells and whistles i want to be able to run 25 psi on race fuel i have hondata stage 3B and RC 550 injectors it is externally gated </TD></TR></TABLE>

FYI, You are gonna need more than 550's for 25psi on a built LS VTEC.
Old 06-17-2004, 08:34 AM
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Default

700-800 cc injectors would do ya.

550's wont cut it without a ton of base pressure and even then i don't think they'll flow it.

Old 06-17-2004, 08:56 AM
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Default Re: (pete98m3)

9:1 here on my ls vtec
Old 06-17-2004, 12:04 PM
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Default Re: (redturbocivic)

9:1
Old 06-17-2004, 02:51 PM
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Default Re: (BEV@GSC)

9.8:1 here
Old 06-17-2004, 05:33 PM
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Default Re: (AVATAR)

cp 9:1
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