Remedy for sitting in traffic TEMPS (this advice is good for ~2hours sitting, occasional creeping on blacktop roads in hot summer:
1: MECH fan (stock 7-blade) Flex-a-Lite stainless Stell 19".
2: Aluminum Water Pump
3: Hot-Idle lowered to a rationale 600-800RPM. (Q-Jet with Fuel Regulator)
4: Ignition Timing advance in the teens while in-gear. no higher, no lower.
If you cannot hold low idle in-gear with such normal timing advance, or cannot reduce the hot-idle to get that low, then go on a witch-hunt for the vacuum leak, or use leaky lifters to make you cam appear small. HIS
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