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Author Topic:   question for engine gods
Dustejr73
Member
posted April 26, 2004 06:44 PM
Intake leak can cause a lean cylinder. How do the plugs look?


autoshop
Member
posted April 26, 2004 10:35 PM
might be chasing the wrong problem? have u checked your ignition system?


stockcar5
Member
posted April 27, 2004 02:22 PM
if it burned through the center of the piston i'd be more worried about detination. seems like the sbcs like to detonate on # 5 first.
what kind of fuel and compression are you running?

luke

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juliaferrell
Member
posted April 27, 2004 02:51 PM
If the engine is just melting down *(and yes it will start usually with number 5 on chevy) I would agree with the emulsion tube problem. What do all the plugs look like? I'll bet you when I put it together this time I would get a pyrometer and after short run I would check EGT's on each header tube!! How long is it taking it to melt down?


Dustejr73
Member
posted April 27, 2004 05:35 PM
EGT is on number 3 and it read 1100, i dont think ignition because the 406 doesnt burn down. and it has been ran many times with no problem, it has sportsman 2 heads.


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