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need help setting timing

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Old Oct 8, 2005 | 09:45 PM
  #1  
1meanGTA's Avatar
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From: Wichita KS
Car: 1987 GTA/1998 Explorer
Engine: 355, trick flow heads, zz409 cam, 3
Transmission: 700r4, shift kit, valve body
Axle/Gears: precision 3.73's, auburn diff
need help setting timing

i've got some pretty extensive mods, and i thought modded motors were supposed to be able to run 10-12 degrees of advance without any trouble. my car seems to run alright like this, but a bit of white smoke comes out of the exhaust. not thick or anything, just hazy, like if its cold out.

i back it off to about 6 advanced and it doesnt do it anymore.

i also have a bit of gas dripping out of my pipes, couple drops a minute. i would think id want to turn down the fuel pressure, but its already only at 40.

im still learning about tuning, any tips are greatly appreciated.
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Old Oct 8, 2005 | 09:55 PM
  #2  
AlkyIROC's Avatar
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From: 51°N 114°W, 3500'
Car: 87 IROC L98
Engine: 588 Alcohol BBC
Transmission: Powerglide
Axle/Gears: Ford 9"/31 spline spool/4.86
I doubt it's gas dripping out your tailpipe. If it was, you'd be blowing your mufflers off. Normally what drips out the tailpipe is water. It's a byproduct of combustion.

Timing is more than just base timing. Increasing the base timing also increases the total timing. If total timing runs best at 32* and you bump the base timing up 6 more then the total timing is now 38* and you could be losing power because of that.
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Old Oct 8, 2005 | 10:22 PM
  #3  
1meanGTA's Avatar
Thread Starter
Senior Member
 
Joined: Mar 2005
Posts: 960
Likes: 1
From: Wichita KS
Car: 1987 GTA/1998 Explorer
Engine: 355, trick flow heads, zz409 cam, 3
Transmission: 700r4, shift kit, valve body
Axle/Gears: precision 3.73's, auburn diff
but what causes the white haze? if its hot out i only see it on startup or if the engine is idling really low and stumbles a bit. today it was about 60 degrees and raining out and it was doing it as it idled normally.

it did this whether at base or total timing.

any recommendations for a fuel pressure setting with my mods? im running a 10:1 ratio. mod list is in sig.

i guess i just want tips on how to get my car running the best it can.

Last edited by 1meanGTA; Oct 8, 2005 at 10:25 PM.
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Old Oct 8, 2005 | 11:18 PM
  #4  
1meanGTA's Avatar
Thread Starter
Senior Member
 
Joined: Mar 2005
Posts: 960
Likes: 1
From: Wichita KS
Car: 1987 GTA/1998 Explorer
Engine: 355, trick flow heads, zz409 cam, 3
Transmission: 700r4, shift kit, valve body
Axle/Gears: precision 3.73's, auburn diff
is the smoke just condensation? its definitely white and not blue. will the engine run healthier if i leave it at 6 base with no smoke or does it matter?

is there any way i can check my computer for knocks without a laptop?
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Old Oct 9, 2005 | 10:49 AM
  #5  
1meanGTA's Avatar
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Joined: Mar 2005
Posts: 960
Likes: 1
From: Wichita KS
Car: 1987 GTA/1998 Explorer
Engine: 355, trick flow heads, zz409 cam, 3
Transmission: 700r4, shift kit, valve body
Axle/Gears: precision 3.73's, auburn diff
cmon yall i need some help here. todays my last day off this week, and i've got nothing to do
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