ARAP optimized for aluminum or iron head
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Joined: Mar 2000
Posts: 409
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From: Land O Lakes, FL
Engine: 5.7
Transmission: 700R4
Axle/Gears: 3.27
ARAP optimized for aluminum or iron head
Does anyone know if the spark tables in the ARAP bin is optimized for aluminum heads or cast iron heads?
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From: Pasadena, MD
Car: '87 Camaro IROC-Z
Engine: 385 HSR
Transmission: 700R4
Axle/Gears: 3.42 posi
From the info at Mike Davis' webpage, it's for an '89 IROC 350 with a better calibration for magazine testers and required 91 octane. So, it's for an iron-headed engine. 
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Greg Westphal
'87 IROC 305TPI/A4
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Greg Westphal
'87 IROC 305TPI/A4
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