Cause for bad exhaust guides?
10-13-2010, 03:48 PM
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Car: 87 monte aerocoupe
Engine: 383 HSR w/ novi 2000
Transmission: Built 4l80e circle d converter
Axle/Gears: Currie 9" 3.89 gears
Cause for bad exhaust guides?
What would cause only the exhaust guides be completely ovalled out after 8000 miles? They are bronze guides on summit heads(supposedly brodix design) I thought valvetrain geometry may be wrong, but if thats so, why aren't the intake guides wore down as well. I replaced the heads earlier and dont want to damage the new ones I curently have. Its just baffling to me.
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