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Can a violently loud 2 step cause motor damage?

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Old 08-10-2007, 09:41 AM
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Default Can a violently loud 2 step cause motor damage?

I turboed my d16z6 and had my p28 chipped and tuned. My tuner wrote a 2 step onto the computer also as well as a revlimiter

However my 2 step is extremely loud and violent.. Like M16 loud with 3 foot flames.

I am running 2.25 piping with no cat no resonater.

Does this 2 step cause any damage.. Its the fuel cut two step.

I just dont see how it wouldnt cause some kind of damage at least to my motor.
Old 08-10-2007, 09:45 AM
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i wish my 2 step shot flames

what rpm is it set at??
Old 08-10-2007, 09:49 AM
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Default Re: (Schister66)

videos please!
Old 08-10-2007, 09:51 AM
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Default Re: (urbansi)

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

lol exactly....my 2 step is quiet and boring. I wish it were loud and violent!!
Old 08-10-2007, 09:53 AM
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lol... i actually hate doing it cause its insanly loud...

To top it off i dont think i really want to do it at the track cause it sounds like im bout to bust out a 10.5 when in reality its probally 14.5
Old 08-10-2007, 09:54 AM
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Default Re: (Schister66)

I have really never heard of a 2-step being that loud, however anti-lag on the other hand http://www.dryblaze.web-uploader.com/2step.wmv
Old 08-10-2007, 11:26 AM
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i guess it really depends on how aggressive you tune the anti-lag, loads of fuel and little timing would prolly get pretty loud and pretty hot
Old 08-10-2007, 12:11 PM
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Default Re: (rota92)

when i had my autronic... i had it configured to kill small animals. lol
Old 08-10-2007, 12:18 PM
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Default Re: (wade)

please.. i want to see a vid of how violent this actually is.
Old 08-10-2007, 12:32 PM
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Default Re: (Running925)

here is an oldie of me. it want too loud that day

http://video.google.com/videop...dex=1
Old 08-10-2007, 03:18 PM
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Default Re: (wade)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by wade &raquo;</TD></TR><TR><TD CLASS="quote">here is an oldie of me. it want too loud that day

http://video.google.com/videop...dex=1</TD></TR></TABLE>

What engine management were you using?
Old 08-10-2007, 03:27 PM
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Autronic EMS
Old 08-10-2007, 03:51 PM
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i really dont know anything about EMS and anything in regards to tunning, i am running my stock ecu in my accord.

but what is a two-step? what does it do?

ad also that vid of the supra...anti-lag? anti-lag for the turbo so you can launch?? im lost...
Old 08-10-2007, 05:00 PM
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Default Re: (1cpu)

correct me if I'm wrong but is 2 step just retarding the ignition timing so far back that most of the combustion occurs in the manifold/ turbine housing?

yay
Old 08-10-2007, 05:41 PM
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I have a two step on my car. (I'm not sure that's the right term lol)

It basically allows you to build boost on the line at the drag strip (slicks).

I get ~5psi out of mine and yes it's loud.
Old 08-10-2007, 06:39 PM
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when Jeff Evans was trying to set up the 2 step in my Neptune program, the back fires were extremely violent. It sounded violent enough that he decided not to keep it even though he tried everything he could to calm it down and said he never seen it do that before. and my setup is not all that crazy either. I would assume if its bad enough it could damage the manifold or turbo...
Old 08-10-2007, 09:03 PM
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Default Re: Can a violently loud 2 step cause motor damage? (blackhope121)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by blackhope121 &raquo;</TD></TR><TR><TD CLASS="quote">However my 2 step is extremely loud and violent.. Like M16 loud with 3 foot flames. </TD></TR></TABLE>

Chris Harris?

If so, the fuel + ignition cut revlimit is supposed to do that.
Old 08-10-2007, 09:07 PM
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Default Re: (RTW DC2R)

2-step - Lower rev limit used to launch off of usually. Achieved by either cutting fuel or ignition. Usually very quiet.
anti-lag - Changes timing so the spark plug fires later (i believe, don't know a lot about it). Very violent but helps the turbo spool.

I think. I just saw the 2 terms being interchanged and they're much different.
Old 08-10-2007, 10:53 PM
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Default Re: (njn63)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by njn63 &raquo;</TD></TR><TR><TD CLASS="quote">2-step - Lower rev limit used to launch off of usually. Achieved by either cutting fuel or ignition. Usually very quiet.
anti-lag - Changes timing so the spark plug fires later (i believe, don't know a lot about it). Very violent but helps the turbo spool.

I think. I just saw the 2 terms being interchanged and they're much different.</TD></TR></TABLE>
Old 08-11-2007, 12:22 AM
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Default Re: (agrn93ls)

i have aem ems, and you can set the 2-step to cut HARD or SOFT, hard is obviously louder, evo's on a hard cut are loud as hell!!
Old 08-11-2007, 04:26 AM
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Default Re: Can a violently loud 2 step cause motor damage? (Joseph Davis)

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

Chris Harris?

If so, the fuel + ignition cut revlimit is supposed to do that.</TD></TR></TABLE>


Chris did my car and the 2step on eCtune isnt that violent at all........ Im not sure how much of the parameters can be adjusted though, it doesnt build too much boost off it.........
Old 08-11-2007, 05:36 AM
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Default Re: (RTW DC2R)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by RTW DC2R &raquo;</TD></TR><TR><TD CLASS="quote">when Jeff Evans was trying to set up the 2 step in my Neptune program, the back fires were extremely violent. It sounded violent enough that he decided not to keep it even though he tried everything he could to calm it down and said he never seen it do that before. and my setup is not all that crazy either. I would assume if its bad enough it could damage the manifold or turbo...</TD></TR></TABLE>


if i set mine (neptune by evans also) at like 5k its not too bad, if i let it go at 7k which i do to **** off people at redlights, it sounds like a shotgun and shoots flame
Old 08-11-2007, 05:43 AM
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Default Re: (blackeg)

To answer your question, 2 step is not as violent as loud as it may sound, thats just what it's gonna do. Now if your running anti lag, which is usually only with aem ems and i think neptune now, but anti lag can potentially hurt your motor. It has no effect on you turbo or mani, but eventually wear and tear will lead to worn rod bearings, sometime even main bearing. My roomates rex just went through all that **** bout 2 weeks ago, anit lag at like 8 grand building like 20 psi at the line for launching, it's only gonna last so long you know.
if it is 2 step though, it 's not as harsh as anti lag
Old 08-11-2007, 08:01 AM
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Default Re: Can a violently loud 2 step cause motor damage? (slooogsr)

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


Chris did my car and the 2step on eCtune isnt that violent at all........ Im not sure how much of the parameters can be adjusted though, it doesnt build too much boost off it.........</TD></TR></TABLE>

Depends on the exhaust dynamics. The BRMS car has 4' of 4" downpipe, and it sounds like gunfire.
Old 08-11-2007, 09:07 AM
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Default Re: Can a violently loud 2 step cause motor damage? (Joseph Davis)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by SIXTY-1HATCH &raquo;</TD></TR><TR><TD CLASS="quote">To answer your question, 2 step is not as violent as loud as it may sound, thats just what it's gonna do. Now if your running anti lag, which is usually only with aem ems and i think neptune now, but anti lag can potentially hurt your motor. It has no effect on you turbo or mani, but eventually wear and tear will lead to worn rod bearings, sometime even main bearing. My roomates rex just went through all that **** bout 2 weeks ago, anit lag at like 8 grand building like 20 psi at the line for launching, it's only gonna last so long you know.
if it is 2 step though, it 's not as harsh as anti lag </TD></TR></TABLE>

It gets the manifold quite hot and turbo also, it can be very hard on a turbo since the firing is happening in the manifold going into turbo. It can kill a turbo very fast too if the turbo cannot handle it.


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