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| 3.5 liter (Page 1/6) |
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Kalel
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MAY 24, 03:50 AM
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I have a 1987 fiero 2.8 liter I put a 2006 Pontiac G6 3.5 block with the 2.8 heads and intake but 5 mins idling the exhaust is glowing red what could be the problem ? ------------------
SUPERMAN
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fieroguru
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MAY 24, 06:56 AM
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Did you replace the injectors with larger ones?
You added 25% more displacement, so you likely need to add more fuel. Without it the car will run very lean.
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Kalel
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MAY 24, 08:32 AM
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I used the 3.5 liter injectors
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Dukesterpro
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MAY 24, 08:45 AM
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Hows you timing?
Significantly retarded timing will cause glowing red headers.
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Kalel
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MAY 24, 12:12 PM
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It's distributor
I can turn it down and stop the glow but then it has no power------------------
SUPERMAN
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Kalel
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MAY 24, 12:17 PM
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And with the glowing headers the block is cold
I adjusted the valves to spec for the 2.8 but the rockers on the 3.5 tighten all the way down------------------
SUPERMAN
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Kalel
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MAY 24, 12:19 PM
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If I degree the cam would that make a difference ?
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fieroguru
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MAY 24, 05:43 PM
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| quote | Originally posted by Kalel:
It's distributor
I can turn it down and stop the glow but then it has no power
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Fiero balancers are known for slipping, so you might want to verify top dead center on cylinder #1, make a new mark on the balancer, and then recheck timing.
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Kalel
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MAY 24, 05:46 PM
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I don't go by marks
I make sure #1is on compression stroke with a gauge and make sure piston is all the way up------------------
SUPERMAN
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Kalel
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MAY 24, 05:50 PM
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But I'm with you
I feel like it firing with the exhaust valve open
That's the only way I feel it could make the headers glow
And it on both sides
They get bright red like the eye on a stove on high------------------
SUPERMAN
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