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Fried! ls/vtec

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Old 09-21-2009, 10:40 AM
  #11  
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Detonation Happens : BoostGear.com

I know I will get yelled at for posting this but it is funny and is the reason we made the shirt!

I would bank on detonation, any idea if the injectors were maxed out? By maxed out I mean higher than 85% injector duty cycle (not 100% like everybody thinks) ? Looks like the problem to me with out knowing enough to really point fingers.

I can even expand further by saying what if, what if the fuel was a little old, say 91 octane by the point you are burning it and the injectors are almost maxed out, i.e. no head room left, and blam they skip a few beats with sub par fuel compounding the problem?
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Old 09-21-2009, 10:53 AM
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Originally Posted by BoostGear
Detonation Happens : BoostGear.com

I know I will get yelled at for posting this but it is funny and is the reason we made the shirt!

I would bank on detonation, any idea if the injectors were maxed out? By maxed out I mean higher than 85% injector duty cycle (not 100% like everybody thinks) ? Looks like the problem to me with out knowing enough to really point fingers.

I can even expand further by saying what if, what if the fuel was a little old, say 91 octane by the point you are burning it and the injectors are almost maxed out, i.e. no head room left, and blam they skip a few beats with sub par fuel compounding the problem?

P.S. - If you want to read/geek out about tuning in general, check out the Innovate Motorsports WideBand web site under tuner resources. (aka the FORUMS)

Engine Tuning Resources : Engine Tuning Videos/ Tips/ Basics/ Advice for Maximum Performance.

They talk about everything that matters in relation to fuels, pump, race, nitrous, meth, etc. etc.
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Old 09-21-2009, 02:54 PM
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Originally Posted by BoostGear
Detonation Happens : BoostGear.com

I know I will get yelled at for posting this but it is funny and is the reason we made the shirt!

I would bank on detonation, any idea if the injectors were maxed out? By maxed out I mean higher than 85% injector duty cycle (not 100% like everybody thinks) ? Looks like the problem to me with out knowing enough to really point fingers.

I can even expand further by saying what if, what if the fuel was a little old, say 91 octane by the point you are burning it and the injectors are almost maxed out, i.e. no head room left, and blam they skip a few beats with sub par fuel compounding the problem?
I just got back from the shop that did this. I told the guy that the motor detonated to death. He said "i didnt tune it, I told him to wait on me so i can tune it". then i mentioned that the tuner new it was detonating thats why added the colder plugs. not a word from him.they know the f***ed the motor up. they said it was the head gasket, it was supposedly leaking compression. my ***. i showed it to him and asked him where. it looks like new. but whatever it done plus he signed a waiver. gonna build him another one.
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Old 09-21-2009, 06:05 PM
  #14  
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you do that.and if you have time try to polish the champer and remove any sharp edges in it.
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Old 09-21-2009, 09:40 PM
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your gonna build him one for free or his he paying
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Old 09-21-2009, 09:42 PM
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na he is paying. so it dont matter to me, i like spending other peoples money. lol. order nice shinny new parts.
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Old 10-21-2009, 11:10 PM
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Originally Posted by turbof22a
im no tuning expert but i would say that would be from valve float or too much timing niether would be your fault. def not the head gasket.
agreed
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Old 10-22-2009, 02:15 PM
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detonation no doubt
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Old 01-27-2010, 12:02 PM
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timing on an high conmpression must be perfect
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Old 02-12-2010, 12:29 AM
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Originally Posted by ls_vtec_DA
timing on an high conmpression must be perfect
WOW really?
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