gt-40p and thermactor air
The boys at Central Coast said they perform this mod. What does it mean, and my car will need this to run properly? Will it affect heads potential?
Does Summit provide this if needed?
Thanks for any info.
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black 95 GT, 5 speed, MAC catback, BBK o/r h-pipe,
FMS 3:73, GT40P mildly ported and polished heads, MAC p-headers, roller rockers, mildly ported and polished cobra intake, XE270 comp cam, 65mm Tb, 77mm Pro-M.
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