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Kyle Larson looks down pit road after practice for Saturday's NASCAR Sprint Cup series auto race at Charlotte Motor Speedway in Concord, N.C., Friday, Oct. 11, 2013.
CONCORD, N.C.—Kyle Larson ran well in his Sprint Cup debut before blowing an engine with 87 laps remaining in the 334-lap race.

Larson started 21st in his No. 51 Chevrolet and climbed to as high as 12th midway through the race. He faded after losing a cylinder and not much later his night ended when his engine failed.

Despite the poor luck, Larson said "I had a lot of fun tonight."

Larson is replacing Juan Pablo Montoya as the driver of the No. 42 Chevrolet next year.

Larson wasn't the only driver with a Hendrick's engine to have a rough night. Mark Martin's engine blew up early in the race.

"We broke a valve spring earlier and we were trying to nurse it along to maybe a caution where we could possible work on it a little bit where it wouldn't self-destruct, but we didn't get that," Martin said. "When you run with one broken spring a lot of times you wind up failing something else. I hate that for everybody."