07-28-2003, 07:30 AM
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CC Member
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Join Date: Feb 2003
Location: Burbank,
Ca
Cobra Make, Engine: Classic Roadster 427, 446 cu in Iron Eagle stroker, Trick Flow "R" heads, Comp roller, Edelbrock Thunder 800 cfm, Eaton posi, Richmond 3.27, Tremec TKO 600
Posts: 201
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Not Ranked
I converted to a serpentine belt system with my 408 and had the same problem with heat spiking...it did in fact turn out to be the pump rotation. I'm running almost 11/1 compression, power (undersized) pulleys and timing pretty far advanced. I've had no problems whatsoever since then. Lower intake radiator hose collapsing under power is another common thing especially with a high volume water pump. Worth checking anyway...
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