its been on blocks for a while but i recall....
this is where a EGT is nice, itsnt it 200 deg or 400deg to drive and turn it off,

200 sounds right, wait for it to warm up , then cool to at least 400deg before you shut it down
or get a electric fan with delay

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1985 300D - 599,xxxk - blue interior #265 Monark Nozzle, AL129X, 15" Ronals, Gen II Big Brakes hunting
1985 300D - 491,xxxk - in prog-{A-A IC, 3" exhaust, psi\pyro, 28*BTDC, Hella Euros, IP Limiter removal
1985 300TD - 783,xxxk - parts car,used new engine with ALDA cap inplace
1987 Kenworth T-600 8LL 425 CAT Mech. - 6,000,000+k - DEI exhaust wrap, punched through resonators, 1 recent rebuild,