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Dyno question???

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Old Sep 20, 2004 | 09:20 AM
  #1  
kikeh22's Avatar
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From: Japan
Default Dyno question???

I got a lot of stuff in my car but this is actually the ones that you can tune...

Vafc
Cam gears
Fuel pressure regulator
and of course ,timing

I'm just wondering if there is any specific order to tune them (Ex. cam gears first,vafc second etc etc)?
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Old Sep 24, 2004 | 08:18 AM
  #2  
Whitfield Inc.'s Avatar
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From: Montclair, ca, san bernardino
Default Re: Dyno question??? (****h22)

This is just my opinion and every tuner will have his own...

On our dyno we set the timing first, make a few bass runs to check the air/fuel. We then set the fuel pressure and try to establish the perfect "base" After that the Vafc will help fix small problems on the air/fuel and also help figure the best spot for vtec. Remember that changing cam gears also changes ovewrall crank timing.

Good Luck
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Old Sep 24, 2004 | 08:27 AM
  #3  
WAFFLES's Avatar
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Default Re: Dyno question??? (RageDzine)

If using a VAFC I like to:
Adjust timing
Adjust VTEC
Adjust cam timing/recheck ignition timing
then set a/f
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Old Sep 24, 2004 | 09:04 AM
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rev-speed's Avatar
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Default

not to high jack

but do u dyno guys
dyno in second or third gear 4 power?
as 4 tuneing is third best?
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Old Sep 24, 2004 | 09:46 AM
  #5  
H23AHybridEG's Avatar
 
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From: Batavia, IL, USA
Default Re: (4cylinder)

I dyno in 4th...
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Old Sep 24, 2004 | 10:04 AM
  #6  
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Default Re: (4cylinder)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 4cylinder &raquo;</TD></TR><TR><TD CLASS="quote">not to high jack

but do u dyno guys
dyno in second or third gear 4 power?
as 4 tuneing is third best?</TD></TR></TABLE>

I would like to know this too!
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Old Sep 24, 2004 | 10:20 AM
  #7  
Whitfield Inc.'s Avatar
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Default Re: (hybrid_vtec)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 4cylinder &raquo;</TD></TR><TR><TD CLASS="quote">not to high jackbut do u dyno guys
dyno in second or third gear 4 power?as 4 tuneing is third best?</TD></TR></TABLE>

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by hybrid_vtec &raquo;</TD></TR><TR><TD CLASS="quote"> would like to know this too!</TD></TR></TABLE>

Just my opinion - we do all cars in 3rd that make 200-250hp When the cars just higher in power like 300 + we use 4th. It helps stretch out the graph so we can tune better.

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Old Sep 24, 2004 | 11:44 AM
  #8  
WAFFLES's Avatar
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Default Re: (RageDzine)

3rd gear, if its a 6 speed tranny we dyno in 4th
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Old Sep 24, 2004 | 12:29 PM
  #9  
builthatch's Avatar
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Default Re: (WAFFLES)

Waffles, is that a p29/ pm7 piston in ya avatar?
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Old Sep 24, 2004 | 12:57 PM
  #10  
WAFFLES's Avatar
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Default Re: (builthatch)

nope, PR3
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Old Sep 24, 2004 | 01:04 PM
  #11  
hybrid_vtec's Avatar
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Default Re: (RageDzine)

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

Just my opinion - we do all cars in 3rd that make 200-250hp When the cars just higher in power like 300 + we use 4th. It helps stretch out the graph so we can tune better.

</TD></TR></TABLE>

Thanx!
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Old Sep 24, 2004 | 03:04 PM
  #12  
Whitfield Inc.'s Avatar
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Default Re: (hybrid_vtec)

Very welcome -- Good Luck
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Old Sep 27, 2004 | 10:21 AM
  #13  
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Default Re: (RageDzine)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by RageDzine &raquo;</TD></TR><TR><TD CLASS="quote">Very welcome -- Good Luck</TD></TR></TABLE>

Thanx
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Old Sep 29, 2004 | 05:00 AM
  #14  
H22JEFFREY's Avatar
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Default Re: (4cylinder)

dyno it in 3rd gear
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