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Corvette
C7 Z06
2015 Z06/Z07 road experience
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<blockquote data-quote="wilyvet" data-source="post: 90974" data-attributes="member: 2349"><p>The experience of others on Corvette Forum USA is large ( 228 threads and more than 1,000 contributions re "Z06 overheating issues") and unequivocal. The essence is that following GM's suggestions for track use (half a litre extra of Mobil 1 15/50, 80% water instead of 60% in the radiator, short shifting) does not prevent dangerously high oil and water temperatures. Various aftermarket devices have proven helpful for some drivers - Dewitts radiators, wrapping cats with thermal insulation, additional oil coolers, underbody mods, etc. Engine damage would imply seeking warranty. I would not like to explain to the dealer service personnel whom I've encountered that GM advertised my car as "the most track ready Corvette ever", and that GM should therefore pay for the engine repair. Believing GM's annual reports caused me to make my worst investment ever - total loss when GM bankrupted. Aftermarket engineering and parts may succeed in making Z06s competent for track use; in the meantime I have old Porsches to race and use in HPDE, and a fast, reasonably quiet and comfortable, beautiful GT car in the Z06.</p></blockquote><p></p>
[QUOTE="wilyvet, post: 90974, member: 2349"] The experience of others on Corvette Forum USA is large ( 228 threads and more than 1,000 contributions re "Z06 overheating issues") and unequivocal. The essence is that following GM's suggestions for track use (half a litre extra of Mobil 1 15/50, 80% water instead of 60% in the radiator, short shifting) does not prevent dangerously high oil and water temperatures. Various aftermarket devices have proven helpful for some drivers - Dewitts radiators, wrapping cats with thermal insulation, additional oil coolers, underbody mods, etc. Engine damage would imply seeking warranty. I would not like to explain to the dealer service personnel whom I've encountered that GM advertised my car as "the most track ready Corvette ever", and that GM should therefore pay for the engine repair. Believing GM's annual reports caused me to make my worst investment ever - total loss when GM bankrupted. Aftermarket engineering and parts may succeed in making Z06s competent for track use; in the meantime I have old Porsches to race and use in HPDE, and a fast, reasonably quiet and comfortable, beautiful GT car in the Z06. [/QUOTE]
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Corvette
C7 Z06
2015 Z06/Z07 road experience
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