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Back from the dyno and i just want to know if my #'s sound about right

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Old 08-10-2005, 09:13 AM
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Default Back from the dyno and i just want to know if my #'s sound about right

I just had my prelude tuned by Steve Sakai! the car made 365.7hp and 295 ft pounds at 15psi! I feel that my numbers are a bit low and should have been a little higher considering my setup! I will post a dyno chart tonight! I feel my 2 1/2 inch DP and exhaust my be the culprit but no sure need some feed back

My setup
H22a
*Head ported by endyn with 3 angle valve job
*AEBS Sleeves
*CROWER rods
*Arias 9:01 Pistons 89mm
*ARP head Studs
*CROWER valve springs and retainers
*Ferrea Valves
*SC61 T3/T4
*Love-Fab Mini me manifold
*Greddy intercooler
*TurboXS type H blowoff valve
*Skunk2 cam gears
*hondata s100 with boost option
*AEM underdrive pulleys
*msd sci ignition system
*msd blaster 2 coil
*B&M full presure regulator
*High Flow cat
*Custom 2.5 inch dual Exhaust 2.5 DP
* optima battery
*str 70mm throttle body
*custom ported and polished type s manifold
*walboro 255 fuel pump
Old 08-10-2005, 09:35 AM
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Default Re: Back from the dyno and i just want to know if my #'s sound about right (jsprelude)

You got alot of goodies man..but those numbers are a bit low for 15psi on an SC61....

With 15psi you should be well into the 4's. I say go back to the tuner and bump those numbers up.
Old 08-10-2005, 09:38 AM
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Default Re: Back from the dyno and i just want to know if my #'s sound about right (CRX T-Si)

the exhaust is def cutting down some of your power
Old 08-10-2005, 10:42 AM
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Default Re: Back from the dyno and i just want to know if my #'s sound about right (adictionbass)

yea upgrade that exhaust
Old 08-10-2005, 11:46 AM
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Default Re: Back from the dyno and i just want to know if my #'s sound about right (Rod.)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Rod. &raquo;</TD></TR><TR><TD CLASS="quote">yea upgrade that exhaust</TD></TR></TABLE>

I agree. Upgrade that exhasut and go back. Should be in the 400's on 15psi easy with all those goodies you have. Good luck!
Old 08-10-2005, 11:56 AM
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Default Re: Back from the dyno and i just want to know if my #'s sound about right (TurboChrgd_Civic)

2.5" dual though? doesn't that count for something? i know it doesn't mean it's a 5" exhaust but it should be flowing more than a 3". btw, where does it switch to a dual, right before the axle back part?
Old 08-10-2005, 12:05 PM
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Default Re: Back from the dyno and i just want to know if my #'s sound about right (SHystrdyGSRtdy)

there is not really a way to have a true dual exhaust on a turbo 4 cylinder. Your exhaust is only as good as it's smallest point. Your going to see back pressure from the size of the DP even though I assume it opens into 2 pipes after that. Some one did a flow rate comparison on pipe sizes I think it was for intercooler pipes, but it will give you the same effect general.
Old 08-10-2005, 12:27 PM
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Default Re: Back from the dyno and i just want to know if my #'s sound about right (bubbahatch92)

It Y's right before the rear tires
Old 08-10-2005, 12:45 PM
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Default Re: Back from the dyno and i just want to know if my #'s sound about right (jsprelude)

What are the specs on the exhaust side of the turbo?
Old 08-10-2005, 12:49 PM
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Default Re: Back from the dyno and i just want to know if my #'s sound about right (DRAGLS)

I would definitely upgrade to a 3" exhaust....and keep a single exhaust, get rid of the duals.
Old 08-11-2005, 03:35 AM
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Default Re: Back from the dyno and i just want to know if my #'s sound about right (jsprelude)

need some place to host the dyno graph so i can post it
Old 08-11-2005, 03:38 AM
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Default Re: Back from the dyno and i just want to know if my #'s sound about right (jsprelude)

63 a/r on the exhaust side
Old 08-11-2005, 04:44 AM
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ditch the dual exhuat and just dump it and upgrade to 3'. you'll notice some gains by doing that for sure.
Old 08-11-2005, 08:27 AM
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Default Re: (iROCKtheSOHC)

i didnt know sgt still did tuning , i have seen him on honda-tech in over a year

but yeh get some 3inch or open the down pipe and redyno
Old 08-11-2005, 08:38 AM
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yeah youd make a lil more with a 3" all the way back

i have lower compression 3"turbo back gt35 non bb

at 15psi i made about 430-450 i cant remember
Old 08-11-2005, 09:09 AM
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Default Re: (booja)

Yeah u contact him and then he meets you at the dyno!
Old 08-11-2005, 09:51 AM
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Default Re: (iROCKtheSOHC)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by iROCKtheSOHC &raquo;</TD></TR><TR><TD CLASS="quote">ditch the dual exhuat and just dump it and upgrade to 3'. you'll notice some gains by doing that for sure.</TD></TR></TABLE>
3 foot exhaust would be big
Old 08-12-2005, 08:42 AM
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Default Re: Back from the dyno and i just want to know if my #'s sound about right (jsprelude)

What Spark plugs do u guys reccomend for my setup! my ignition also started to break up once into vtec!
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