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General Fuel Economy Discussion Ask the gas gurus about increasing fuel economy. Post ideas and ask for advice. For testing help, use the "Experiments" forum.

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Old 04-08-2006, 03:02 PM   #1
SVOboy
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How does everyone set their timing?

When I swapped dizzies I left my timing way retarded, and now I'm just going to stick it "in the middle." Do most people just use timing lights or just BS it like I do?
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Old 04-08-2006, 06:54 PM   #2
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When I last had a car that I

When I last had a car that I could change the timing on(Saturn has no distributor), I would advance it to the point where I heard the idle speed go up and start to get slightly rough. I would then back it off(retard) until the idle smoothed out. Then I would only snug the bolt down and take it out for a drive and see how it ran. I would put it into high gear at about 30-35 and see if/how much it pinged. If it was more than just a few very slight pings I would stop and pop the hood and retard it just a bit more. The car seemed to have about the best power and mileage this way.
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Old 04-09-2006, 02:42 PM   #3
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If you're OBD-1, jump the

If you're OBD-1, jump the diagnostic connector and use a timing light.
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Old 04-09-2006, 02:46 PM   #4
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Will I have the diagnostic

Will I have the diagnostic connector considering I was originally obd0?
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Old 04-09-2006, 02:47 PM   #5
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Hmmm, I doubt it. Perhaps

Hmmm, I doubt it. Perhaps someone with an OBD-1 Civic, a meter, and about 30 minutes can help you out?
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Old 04-09-2006, 02:49 PM   #6
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Haha, I've already abused

Haha, I've already abused jared's time enough, I figured I'm good enough where it is right now, I was planning on tuning it to the point where it started pinging and then drop a degree off.
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Old 04-09-2006, 07:47 PM   #7
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i also attended the

i also attended the diamondlarry school of timing adjustment. i figure i'm 3-5 degrees advanced over spec.

i have no idea if it's actually helping though. another scangauge test on the list...
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Old 04-09-2006, 08:12 PM   #8
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you have to ground your ecu

you have to ground your ecu pin d7
thats the service check connector (not the datalink)
i'll go doublecheck that pinout...
just did this for another conversion guy...

A23,A24,A26 & B2 are all the common grounds that meet at your thermo housing ground on the back of your block...
one is also the stock ground for the service check connector
any will work

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Old 04-09-2006, 08:13 PM   #9
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Sweet, I'll keep that in my

Sweet, I'll keep that in my memory, thanks. I'm so good at depinning ecu plugs now!
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Old 04-09-2006, 08:16 PM   #10
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also i have a bad habit of

also i have a bad habit of editing my posts after making them
so always check back for updates...
if its a bad error on my part...you'll see a new post...
read this post again in a couple minutes after i confirm the pinout...
thanx...

nope...its D4...service check connector
this is also the pin to ground to check your ecu for codes
since you haven't done this since your mpfi swap...
i'm expecting you may find something concering your idle

D7 is the datalink connector...
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Old 04-09-2006, 08:19 PM   #11
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Hehe, okay, that makes sense

Hehe, okay, that makes sense then.
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Old 04-09-2006, 08:24 PM   #12
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oh and you dont want to

oh and you dont want to depin D4
you want to ground it...if there is even a pin in there...
i'm sure you get it...sorry...

oh and if you missed my edit on another post
i have an ecu cover for you...
dont put your chipped ecu at risk
i can barely stand the sight of that open ecu on your floor...
lol
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Old 04-09-2006, 08:26 PM   #13
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Oh, ground it from the ecu

Oh, ground it from the ecu and not from the wire, silly me,
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Old 04-09-2006, 08:38 PM   #14
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double,triple,quadruple

double,triple,quadruple check that your cam timing marks and pulley timing marks line up exactly with the car off

set your dizzy at center with the bolts just loose enough to turn the dizzy by hand

start her up and heat cycle it at least once...
which is about 20 minutes or more until the fan comes on...
ground your service check connector (D4)
strap on your timing light
and make any nuance changes you wish

i recommend fixing any codes flashed on the check engine light first
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Old 04-09-2006, 08:40 PM   #15
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W00t for being code free.

W00t for being code free.
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Old 04-10-2006, 03:09 AM   #16
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Re: i also attended the

Quote:
Originally Posted by MetroMPG
i also attended the diamondlarry school of timing adjustment. i figure i'm 3-5 degrees advanced over spec.

i have no idea if it's actually helping though. another scangauge test on the list...

Timing light? We don't need no stinking timing light!
*insert confident laugh here*
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Old 04-10-2006, 03:05 PM   #17
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they are very helpful when

they are very helpful when your car isn't running in time due to other sensors manipulating it thru the code in the ecu...

more specifically...an advance timing light...

in fact...there's no other way to tell while your car is running if it is in time or not...
unless you are tapping into your ecu

but for all intents and purposes...yes...you dont need one...
*insert confident chuckle*
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