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Topic: Glowing Headers need help BAD
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88-383
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Member # 4088
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posted
 
 
Just rebuilt my 302 with GT40-P heads,Trick Flow stage-1 cam 221/225 @.050,Cobra intake,new springs etc..
The problem is that the headers glow orange after a few minutes of idle. There's usually a slight hesitation present if I try to rev-it up. The engine allways starts right up and mechanicaly seems perfect.
I'm still using the stock MAF and 19# inj's. Is it ok and should I be able to get this setup running well with the stock MAF/INJ's???
I'm very confident that everything is hooked up correctly and that I dont have a massive vacum leak. But the thing/car seems to be having a timming problem of some sort. It seems way retarded guessing! how can I test this? The O2's are brand new JFYI.
Thanks in advance, any and all thoughts are welcom!
Kelvin
Tracy CA
Posts: 23 | From: Tracy | Registered: Feb 2004
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CDT
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Member # 5004
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you need to set teh timing, do you have a timing light?
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Custom Dyno Tuning
510.331.0608
Home of Flat Fee Tuning For All Cars, Trucks and SUV's, EFI & Carb, SCT, AFR, Dynatech, STS Turbos, N2O Refills
Posts: 1053 | From: Hayward | Registered: Nov 2004
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88-383
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Member # 4088
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posted
Yup I have one, I think I have set to 10deg initial. I pulled the little/smaller plug next to the dist, then used the gun to set 10degs then put the plug back in.
Once it's running again, The wierd thing is that it seems to be pulling 10+degs of timming out as soon as I blip the TB while watching with my gun.
KM
Posts: 23 | From: Tracy | Registered: Feb 2004
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AJBlackGT
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Member # 3936
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If retards timing it will cause the flame to move out of the chamber and into the header, thats why they glow, or your running really lean. Whats the fuel pressure?
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90 Notch
Posts: 1896 | From: Sacramento | Registered: Dec 2003
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88-383
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Member # 4088
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Ok, I'll go out and throw my gauge on it. Whats it supposed to be?
KM
Posts: 23 | From: Tracy | Registered: Feb 2004
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Cstang5.0
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Member # 4925
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38 psi
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88 VERT slow sold
89 coupe stock ; )
02 yukon
05 focus
Posts: 1638 | Registered: Oct 2004
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88-383
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Member # 4088
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Dayum, my gauge is setup for a Chevy "larger fitting" I'll check it out tomorrow. The fuel pump was upgraded to the 190 about 6mos ago along with a new filter.
The regulator is stil stock at the moment.
KM
Posts: 23 | From: Tracy | Registered: Feb 2004
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mtbaughs
Road Racer
Member # 4052
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Anytime I get goofy timing readings the first thing I typically try is swaping out the distributor for another known good one. Also make sure you are running an autolite 103 plug or one with the same spec's as a 103. Common reasons why headers glow would be timing, vacuum leak, car running way to lean, and the least common thing might be a valve not seating right. Good luck. ![[patriot]](graemlins/patriot.gif)
Posts: 2019 | From: Boise, Idaho | Registered: Jan 2004
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Rickster
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Member # 962
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FYI, the timming mark on the dmpener is already set to 10 degrees.....if you are throwing an extra 10 at it from the gun, then you would really be at 20...
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1965 ACCobra Replica (FFR MKll)
w/ 1992 LX convert. running gear
Planning ahead for that midlife crissis!
Posts: 131 | From: Cedar Ridge | Registered: Mar 2002
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88-383
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Member # 4088
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Problem solved, it turned out to be the new damper has mulitiple marks. Two differnet sets/marks are 30deg offset apart from each other. Whan I stabbed the dizzy I must have used the other/30deg offset by accident.
Dangit moetherfeucekr fnucikgcar
KM
Posts: 23 | From: Tracy | Registered: Feb 2004
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