LS head Bench flow
09-20-2002, 09:00 PM
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LS head Bench flow chart
I just got a ported ls head that came with a super flow flow chart but i don't know how to read it. it says a stock ls head flow 145 at .50 lift@valve and after the port job the head flows 177 at .50 lift. and this was at 12" cfm of h2o 70 deg temp. so is this a good head?and what does this mean?what time should i expect from this head on a stock LS bottom with the basic bolt ons ( h,i,e) in a 92 civic hb?
[Modified by 2o9, 4:05 AM 9/21/2002]
[Modified by 2o9, 4:05 AM 9/21/2002]
12-05-2003, 04:57 PM
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Re: LS head Bench flow chart (12secB18acivic)
problaly 13.9 in a hatch.<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 12secB18acivic »</TD></TR><TR><TD CLASS="quote">I just got a ported ls head that came with a super flow flow chart but i don't know how to read it. it says a stock ls head flow 145 at .50 lift@valve and after the port job the head flows 177 at .50 lift. and this was at 12" cfm of h2o 70 deg temp. so is this a good head?and what does this mean?what time should i expect from this head on a stock LS bottom with the basic bolt ons ( h,i,e) in a 92 civic hb?
[Modified by 2o9, 4:05 AM 9/21/2002]</TD></TR></TABLE>
[Modified by 2o9, 4:05 AM 9/21/2002]</TD></TR></TABLE>
12-05-2003, 10:04 PM
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Re: LS head Bench flow chart (30psiCiv)
man i didnt know the ls head flows so little, a b16a head flows like 230 stock at .5. i konw because of vtec and everything but damn
12-06-2003, 04:55 AM
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Re: LS head Bench flow chart (civickiller)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by civickiller »</TD></TR><TR><TD CLASS="quote">man i didnt know the ls head flows so little, a b16a head flows like 230 stock at .5. i konw because of vtec and everything but damn</TD></TR></TABLE>
probably because it was flowed/tested a different way,I bet that B16 head was flowed with 28" where as his LS was at 12" and it was also on a wet bench.
probably because it was flowed/tested a different way,I bet that B16 head was flowed with 28" where as his LS was at 12" and it was also on a wet bench.
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12-07-2003, 04:04 PM
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Re: (Cyphear)
I think Earl at one time went over most of the Honda heads but i am not positive it was him. If i remember correctly the B16a flowed about 265 or so stock. The only ones higher was the itr and the Celica heads. I know there are some European heads (specifically Audi 5V) that flow even more but the test was limited to more popular makes.
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