Dyno chart of .48 a/r vs. .63 a/r housing.

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Old 06-24-2003, 06:18 PM
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Default Dyno chart of .48 a/r vs. .63 a/r housing.

I just found this awesome book: How to Build Honda Horsepower . All the book is is dynocharts. They guy took several cars and swaped a crap load of **** into them and did back to back dynotests. Like 75 different parts tested.

Anyway, heres one I found interesting. The setup is a B16A running 15psi in a strait T3.

I think the dyno does a good job of giving an accurate representation of the differences.

Bigger version. Copy and Paste



Just curious, which would you prefer?

something else i found interesting which i'll scan later. The B16A intake manifold beat the ITR, Skunk2, Venum and STR manifolds in every test. On the b16a, ls/vtec and turbo'd b16a. Just found it interesting.
Old 06-24-2003, 06:22 PM
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The .63 takes a lil longer to get there but has a long sweet spot
Old 06-24-2003, 06:25 PM
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Default Re: (B18egHatch)

So the b16 manifold is better than the "top of the line ones"??? wow...
If you can post the pics. so i can show my cousin who was thinking of buying a Skunk2 mani. for his ls/vtec...

thanks
Old 06-24-2003, 06:30 PM
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Default Re: Dyno chart of .48 a/r vs. .63 a/r housing. (00SilverLS)

I would go with the .63... it is better at any rpm over 5k.. that is more important than <5k for me
Old 06-24-2003, 07:02 PM
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Default Re: Dyno chart of .48 a/r vs. .63 a/r housing. (00SilverLS)

i just switched from .48 to .63.it was way to laggy.switched back the next day.it was so laggy that the car was bogging in first even when i launched at 7000rpm.also,it wasn't fun to drive on the street.i guess my car just likes the .48
Old 06-24-2003, 07:37 PM
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Default Re: Dyno chart of .48 a/r vs. .63 a/r housing. (00SilverLS)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 00SilverLS &raquo;</TD></TR><TR><TD CLASS="quote"> The B16A intake manifold beat the ITR, Skunk2, Venum and STR manifolds in every test. On the b16a, ls/vtec and turbo'd b16a. Just found it interesting.</TD></TR></TABLE>

thats just not right...
Old 06-24-2003, 07:39 PM
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Default Re: Dyno chart of .48 a/r vs. .63 a/r housing. (00SilverLS)

i have that book and frankly it sucks.
Old 06-24-2003, 07:40 PM
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Default Re: Dyno chart of .48 a/r vs. .63 a/r housing. (FFgeoff)

if you like to rip tires in every gear the .48 is perfect!!
Old 06-24-2003, 07:45 PM
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Default Re: Dyno chart of .48 a/r vs. .63 a/r housing. (MotorMatrix.com)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by MotorMatrix.com &raquo;</TD></TR><TR><TD CLASS="quote">if you like to rip tires in every gear the .48 is perfect!!</TD></TR></TABLE>
I agree! I have always had a .63 A/R on my old set up then an .82 A/R it had damn good TOP END and kept making power even at 9k no drop. I couldnt imagine having a .48 A/R way too small, spool is great but is gonna die up top. I rode in a friends hatchy with a 57 trim .48 A/R spooled quick and broke loose so easy but dies up top. When you race at the track when you shift you should be high enough that the .63 or even .82 will still be in boost.
Old 06-24-2003, 07:46 PM
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Default Re: Dyno chart of .48 a/r vs. .63 a/r housing. (Boostfed)

mine pulls all the way to 9000rpm


Modified by turbotypeR at 6:17 AM 6/25/2003
Old 06-24-2003, 07:46 PM
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Default Re: Dyno chart of .48 a/r vs. .63 a/r housing. (SEFI8LOxCivic)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by SEFI8LOxCivic &raquo;</TD></TR><TR><TD CLASS="quote">i have that book and frankly it sucks.</TD></TR></TABLE>


what dont you like? thought it was neat.
Old 06-24-2003, 07:46 PM
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Default Re: Dyno chart of .48 a/r vs. .63 a/r housing. (FFgeoff)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by FFgeoff &raquo;</TD></TR><TR><TD CLASS="quote">

thats just not right... </TD></TR></TABLE>
Yeah I couldn't imagine that being right. But I guess I would like to put that up to the test, put my old B16A vs my JG/Edelbrock. May try that sometime actually
Old 06-24-2003, 07:47 PM
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Default Re: Dyno chart of .48 a/r vs. .63 a/r housing. (MotorMatrix.com)

Should one look at the .48a/r or .63a/r for a D16?
Old 06-24-2003, 07:47 PM
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Default Re: Dyno chart of .48 a/r vs. .63 a/r housing. (Boostfed)

the .82 has way too much lag for the track unless you are running some serious compression, ton of timing , or methanol. I have used all of them and by far my favorite is the .63 for all around performance. the .82 works well to limit tire spin and has mad top end but make sure you can rev atleast 9k or more.
Old 06-24-2003, 07:49 PM
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Default Re: Dyno chart of .48 a/r vs. .63 a/r housing. (turbotypeR)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by turbotypeR &raquo;</TD></TR><TR><TD CLASS="quote">mine pulls all the way to 900rpm</TD></TR></TABLE>
Damn 900rpm that's impressive! J/K I knew what you meant. Your # are very impressive especially considering the .48 A/R, you could make so much more going .63 or .82, I am not so into low end street racing and stuff any more but that is me. Can't wait to see your new #s I think you posted somewhere else on here right? That you were about to?
Old 06-24-2003, 07:49 PM
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Default Re: Dyno chart of .48 a/r vs. .63 a/r housing. (MotorMatrix.com)

for the street (i rarely if ever hit the track) i'd have to say im very happy w/ my power band. .48 for street.
Old 06-24-2003, 07:52 PM
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Default Re: Dyno chart of .48 a/r vs. .63 a/r housing. (00SilverLS)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 00SilverLS &raquo;</TD></TR><TR><TD CLASS="quote">for the street (i rarely if ever hit the track) i'd have to say im very happy w/ my power band. .48 for street.</TD></TR></TABLE>

your right on your setup. a .48 will work well on a d series,low psi or low hp setup. I guess i was referring to running a .48 on a 400+whp car. its plain stupid how much wheelspin you will have.
Old 06-24-2003, 08:03 PM
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Default Re: Dyno chart of .48 a/r vs. .63 a/r housing. (MotorMatrix.com)

Overall goals for the D16 is 250-300whp once built.
Driven on the street daily 100%..
Anyone have and experience w/ a .48 or .63a/r's on the D16.

Thx in advance guys..
Old 06-24-2003, 09:10 PM
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Default Re: Dyno chart of .48 a/r vs. .63 a/r housing. (Midwestrider)

That graph is on a t-3. Total airflow on the compressor side is also holding that setup back, I'd bet. COmpare the .48 to the .63 housings on a 57 trim t04e compressor, and I'd bet the top of the graph is a 30-50 HP difference in the two, with the .63 ramping up til the rev cut.

B16 manifold beating out the ITR, Skunk2, AND the STR style ones on a TURBO car, no less? BULLCRAP. That's all I have to say.
Old 06-24-2003, 09:12 PM
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Default Re: Dyno chart of .48 a/r vs. .63 a/r housing. (Midwestrider)

*raises hand* Right here!

I spool 10psi with a .48 A/R Stage III turbine on my D16Y8 by 4k rpms using a log-style SFP manifold. I do not have any loss of boost on the way to redline, ~7200rpms. The compressor is a T3 60 trim (.60 A/R). Pics below.



Old 06-24-2003, 09:16 PM
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Default Re: Dyno chart of .48 a/r vs. .63 a/r housing.

did they also have a test on wheel stages?
I don't have a 1.8, but I wonder what you guys think..
for a <u>stock 1.8</u> (running moderate boost 12-16psi)
a .63 a/r with a T31 .69trim (aka stageII wheel) would be the best all around?
stageIII wheel (T31 .76trim) would cause serious lag at partial throttle?
Old 06-24-2003, 09:42 PM
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Default Re: Dyno chart of .48 a/r vs. .63 a/r housing. (Quick 200k Mile Motor)

is there a good middle between .48 a/r and .63 a/r ???
Old 06-24-2003, 09:42 PM
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Default Re: Dyno chart of .48 a/r vs. .63 a/r housing. (Quick 200k Mile Motor)

im using a Stg 5 turbine in a .48 a/r housing, i dont make full boost till about 4500 RPMS with my big fmic... but once boost hits, it hits hard, and keeps hitting till 9k redline..

i wonder what stg turbine that dyno was on?
Old 06-24-2003, 11:00 PM
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Default Re: Dyno chart of .48 a/r vs. .63 a/r housing. (lazerus)

I'm happy with my .48 a/r, but I'm more of a street cruiser and autoXer, so a little better response down low is desired for me.
Old 06-24-2003, 11:18 PM
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Default Re: Dyno chart of .48 a/r vs. .63 a/r housing. (TurboSedan)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by TurboSedan &raquo;</TD></TR><TR><TD CLASS="quote">I do not have any loss of boost on the way to redline, ~7200rpms.</TD></TR></TABLE>

i wish i could say that about my greddy turbo...
no real loss of boost ... just doesnt pull any harder....
falls flat on its face at like 5.8k



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