INDIANAPOLIS -- Kyle Busch spent Saturday climbing in and out of brutally hot cars in Indianapolis.All that work finally got him back to a pretty cool spot in victory lane -- and some ice cold water.After claiming two poles Saturday afternoon, Busch returned to the track and led all but one lap to win his second straight NASCAR Xfinity Series victory at the track by 0.415 seconds over hard-charging Kevin Harvick. Paul Menard was third, 1.338 seconds off the pace.Id like to hope so, the 2015 Cup season champion said after being asked if he can keep this up after earning his seventh Xfinity win this season and record-extending 83rd of his career. I dont know exactly how many (races) I have left, thats changing every day. But, hopefully, with whatever we have left, we can have the same amount of success weve had here.Busch has been virtually unbeatable on Indys 2.5-mile oval all weekend.He posted the fastest practice times in both the Xfinity and Sprint Cup Series on Friday, won the poles, captured the first of two heat races to establish the rest of the starting order and put himself in position second straight sweep of the two races in Indy.No NASCAR driver has ever won both poles and both races here.The only prize Busch didnt get his claim Saturday was the $100,000 dash-for-cash prize, which he was ineligible for. That payout went to fifth-place finisher Justin Allgaier -- who was the best of the non-Cup regulars. Allgaier said the thermometer in his car reached 137 degrees.How dominant has Busch been?The Joe Gibbs Racing star held off two former Brickyard 400 winners and one, Harvick, couldnt even catch the leader after taking new tires during the final caution period, which extended the race to 63 laps.The difference: Buschs perfectly-timed restarts.New tires for those guys were good for them, not so much for us, Busch said after completing the final 36 laps without a stop. On the restarts, the second-to-last one was really good. The last one was OK.It was at least good enough.Busch only surrendered the lead once -- when he pitted after 27 laps -- and retook the lead when Brendan Gaughan made his pit stop.The only other time Buschs lead was even in jeopardy came after rookie Roy Black Jr. hit the wall in the second turn, slid down the track and was hit by Harrison Rhodes, bringing out a caution six laps to go.Harvick, who drives for Stewart-Haas Racing, and Kyle Larson, who drives for Chip Ganassi Racing, both stopped and changed tires. But they wound up battling one another so hard, they couldnt catch Busch.Our goal was to overachieve today, and we did that, Harvick said. We had a couple of good restarts and wound up second. Not a bad day.Even if Buschs day was much more rewarding.I think our chances are pretty good, Busch said, referring to the Brickyard 400. Starting up front means a lot here in Indy. I think our Toyota today was strong, I think our Toyota tomorrow will be even stronger. 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Adelaide Ovals carefully prepared day/night Test pitch has been tweaked as a result of last summers day three finish to offer less to bowlers - two millimetres less to be precise.The height of the grass on the surface was a major talking point in the aftermath of the inaugural floodlit Test, with Australias captain Steven Smith and his New Zealand counterpart Brendon McCullum both reasoning the experimental pink ball would be no worse off for more extensive use of the lawn mower.What would change, though, was the amount of seam movement on offer to the bowlers. Batsmen, administrators, broadcasters and sponsors would all prefer a match that lasts until the fourth evening at least, meaning the seamers who prospered last year will likely be the chief parties disappointed by the curator Damian Houghs latest creation.Preparation-wise still leaving a bit of grass on it, he said. Were bringing the starting height down and the finished height will be down another 2mm from last year.In review of last year, which was a good learning experience, leaving the grass on it assisted the quicks a little bit more. We were really happy with the game but feel a couple millimetres less will hopefully still keep it a good contest between bat and ball - thats what were after.It mightnt nip around quite as much. You still think it will hoop around a bit at night with the ball but we thought maybe well get that balance a bit better.Houghs work with Adelaides drop-in surfaces has evolved considerably since they were first installed for the summer of 2013-14. The surface then was prepared to be dry after the fashion of Adelaides original square, but a lack of thee desired deterioration pushed Hough to take a different approach in which thatchy grass coverage could assist both pacemen and spinners throughout a match.ddddddddddddOur game plan with leaving the grass on is to leave a coarse thatchy grass, the ball will bite into for the quicks it should also do the same for the spinner, Hough said. Weve ben doing that for two years now and the feedback has been the spinners have still been able to get purchase out of that grass and get a bit of turn.The grass we leave on it, were not going to get a lot of breaking up. We havent had that for 3-4 years. Were going down that path, dont get that natural deterioration so well get the grass to assist the ball biting in and moving around a little bit.While Hough has been lauded about his work with drop-in surfaces, he admitted there was still much unknown about them, for wickets can take years of use to mature in their characteristics.Its still new. Is it the drop-in pitch thats preventing the pitch from deteriorating or is it a brand new wicket area and brand new soil that needs time to mature? Who knows, he said. Weve got different pitches that weve remade, or rebuilt some drop-in pitches with a different grass variety that is opening up. Well keep working on it and keep assessing it and adjusting as we see fit.Where were at now, were really comfortable with the feedback from all the visiting players, coaches at Shield level has been really positive. Were trying to produce a pitch with a really good contest from bat and ball. ' ' '