What to look for in an Untuned Car?

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Old Dec 1, 2006 | 10:31 PM
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Default What to look for in an Untuned Car?

I'm looking at a 2000 GSR that has been untuned. I plan on doing a compression and leakdown test. What else should i look for?

Motor
- Drag 3 turbo kit
- CP turbo pistons
- AEM fuek rails
- 410 injectors
- MSD wires
- MSD blaster coils
- Walbro 255 fuel pump pwr radiator
- Mugen oil pan
- STR cam gears
- new timing belt and water pump
- AEM pulleys
- Tial waste gate
- HKS BOV
- Greddy exhaust
- Autometer air+fuel ,boost gauges
- Apexi VAFC
- HKS turbo timer


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Old Dec 2, 2006 | 06:27 AM
  #2  
redzcstandardhatch's Avatar
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put a wideband on it and check the afrs!

i'd look at the oil/coolant, see if it smokes, just regular stuff. dont beat on it till you know its safe
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Old Dec 2, 2006 | 06:31 AM
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Default Re: What to look for in an Untuned Car? (nyrican23)

well what type of EMS does it have? if none, then you better be buying one and getting that tuned ASAP
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Old Dec 2, 2006 | 06:45 AM
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Default Re: What to look for in an Untuned Car? (b18sihatch)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by b18sihatch &raquo;</TD></TR><TR><TD CLASS="quote">well what type of EMS does it have? if none, then you better be buying one and getting that tuned ASAP</TD></TR></TABLE>

Is says VAFC&gt;

Does it have aftermarket rods or stock rods with CP pistons?
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Old Dec 2, 2006 | 08:22 AM
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Default Re: What to look for in an Untuned Car? (ladysman)

def need a wideband right now i wouldnt drive an untuned car without one
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Old Dec 2, 2006 | 11:38 AM
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Default Re: What to look for in an Untuned Car? (gunmetalej)

Thanks for the help! What exactly is a wideband?
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Old Dec 2, 2006 | 01:16 PM
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is this car in the 845 area? how long has it been driven untuned and at what boost level?
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Old Dec 2, 2006 | 01:18 PM
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Default Re: (dunkd)

How long has he been driving it untuned ? I would worry about how rich its running, usually untuned cars run rich, and if its running like this for a long period of time you will have issues with the piston rings and the cylinder walls being washed down with fuel and not getting the proper lubrication.
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Old Dec 2, 2006 | 02:00 PM
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Default Re: (90blackcrx)

i have a blox gold fmu for sale. $45 shipped.

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Old Dec 2, 2006 | 02:24 PM
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Default Re: (biada1)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by biada1 &raquo;</TD></TR><TR><TD CLASS="quote">i have a blox gold fmu for sale. $45 shipped.</TD></TR></TABLE>
so wait your saying he should swap out his already untuned vafc for a fmu with no tuning abilities whatsoever? Dumbass
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Old Dec 2, 2006 | 02:47 PM
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Default Re: What to look for in an Untuned Car? (nyrican23)

Compression and Leakdown to make sure it's not already fucked...If it burns oil...don't buy it. Then as soon as you get it...shitcan all the piggybacks and get it tuned right.
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Old Dec 2, 2006 | 04:26 PM
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Default Re: (SOHC_MShue)

yeah, why ride with an untuned vwack when u can run ok with an FMU for now.
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Old Dec 2, 2006 | 04:29 PM
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Default Re: (biada1)

The car is in the 845 area (poughkeepsie) and its at 7psi. It's not a daily driver so i dont know how often it is driven
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Old Dec 2, 2006 | 04:36 PM
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sounds like you want to buy this car, is that right?

But before you buy it you want to know what you should look for in order to make sure that the car is in perfect working order. Well at least motor wise. Is that right?
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Old Dec 2, 2006 | 05:25 PM
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Default Re: What to look for in an Untuned Car? (nyrican23)

must not have seen it, well anyhow vafc is a unsafe way to run that motor or any motor for that matter

vafc hack
fmu

chipped ecu with some form of tunable program
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Old Dec 2, 2006 | 05:30 PM
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Default Re: What to look for in an Untuned Car? (b18sihatch)

FITTI- Thats correct, I'm unsure what to look for in a turboed car. I plan on buying it if all goes well. My old boss still has his hondata stuff. Would that be compatible with this car?
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Old Dec 2, 2006 | 05:34 PM
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Default Re: What to look for in an Untuned Car? (nyrican23)

if i was you i would do my homework and be prepared! beucase jumping into something you are uncertain about, be it mechanical wise.

turbo motors that are untune are something to look out for. like other poster said running rich for long periods of time isnt good on the motor. can wash out the cylinder walls

but not only that. you need a good form of tuning for the car to get it running well and stable.

IMO have him tell you the maintaining he has done on the car. make a list of the maintaining you tihnk the car has. then start checking off the things he has done and things you think should have been done...

and the remaining things NEED TO BE DONE. asume he has never maintained it, and do what you feel is truly needed
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Old Dec 2, 2006 | 05:44 PM
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Default Re: What to look for in an Untuned Car? (b18sihatch)

^ Thanks for the info , I've been doin some research for the last 2 weeks (1st found the car)and learning more and more each day.Now after doin some research, i wanted to know the opinions and info that people with a turboed car might know.
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Old Dec 2, 2006 | 05:58 PM
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Default Re: (nyrican23)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by nyrican23 &raquo;</TD></TR><TR><TD CLASS="quote">The car is in the 845 area (poughkeepsie) and its at 7psi. It's not a daily driver so i dont know how often it is driven</TD></TR></TABLE>

do a compression check, if its good buy it
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Old Dec 2, 2006 | 06:23 PM
  #20  
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Default Re: (dunkd)

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

do a compression check, if its good buy it </TD></TR></TABLE>

then get rid of the afc and get the car tuned. you can drive it, i Definately wouldnt hit boost with the afc. what else is done in the motor? does it have an aftermarket clutch? you'll need one
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Old Dec 2, 2006 | 07:13 PM
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Default Re: (blackeg)

^ exedy clutch
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