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Old 01-05-2002, 05:29 AM   #1
Frankenstang65
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Join Date: Sep 2001
Location: Seattle, WA
Posts: 79
Default Heater Core Help

Do any of you guys know if there is a heavier duty heater core that can be installed in 65 mustang? For some reason, the stock unit can not stand the pressure when my motor is at 4500 rpm+. I've blown two in the last couple of months and am wondering if you have any ideas about what I could do to keep this from happening again.

Thanks in advance
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1965 Coupe: 351W, comp cam, Aluminum Systemax II heads (2.02/1.60), 1.7 Cobra full roller rockers, Edelbrock intake, Holley 650 double pumper, Mallory Unilite, MSD-6AL, MSD Blaster 2 coil, MSD heli-core plug wires, Hedman headers, 2 1/2" exhaust (GT style) w/ 40 series delta flows, 69 C4 w/ shift kit, shelby traction bars, 3.55:1 rear

Daily Driver:
1989 GT- 5spd, K&N (no silencer), Shorty Headers, King Cobra Clutch, Flowmaster Force II Cat-back
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