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2015+ Shelby GT350 Mustang
My Car Died on day 2 with 53 Miles on it
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<blockquote data-quote="tt335ci03cobra" data-source="post: 15169621" data-attributes="member: 68944"><p>I'd break in brand new vehicles like this, though every "new" vehicle I've always had was at least over 30 miles, bastards already had test driven em, just not bought them/signed a title.</p><p></p><p>Anyways.</p><p></p><p>-first turn over: stationary start up with break in oil, let the engine reach optimal temp while listening for any sound, shut off if any (obviously). A few easy general revs to 3, 4, 5, and 6 thousand rpms. Only elevating if no irregular sounds occur. Bring it back to idle, turn it off, change oil. I'd check the transmission oil as well. Likely to find metal shavings or foreign matter in this oil.</p><p></p><p>-on a natural oil, I'd again bring it to temp while idling. Go for a smooth, basically normal drive, but avoid lingering rpm. I'd stretch the gears to 4000rpms or so each, not quite wot, but over half throttle. Also depends here if boosted or na. Around the 50 mile mark, I'd change the oil once again. I'd check the diff oil, and trans oil as well as coolant and brake fluid. Belts, hoses, etc. factory guidelines/inspectionstolerance is great when techs do their installs correctly, not so useful when they don't though. </p><p></p><p>-at this point onward, anything from gaskets to seals, to springs has seen temp and load/stress to seat/set well. Hammer down. I keep an effort to vary rpm, and always treat a cold start to a nice warm up period (135-150* coolant temps now, no need to go full warm up). But in general, I drive a car harder from its 50-1000 mile mark than I usually well for the rest of its life (comparably in a 1,000 mile window). Lots of wot pulls, a healthy amount of smooth/quick launches, burn outs, a drift or 20, a top speed run, a quarter mile pass, etc.</p><p></p><p>I switch to the natural gas based pennzoil ultra synthetic (I want to try amsoil) at 1,000 miles, because it's more like 5,000 miles with that kind of driving haha. I check all fluids and hoses/belts again at 250, 500, 750, and 1000. </p><p></p><p>If a car is well known to internet maximization threads and hobbiests, I look to see if anyone is running a better fluid concauction for transmissions (scotty's blend for subbies is an example), so on.</p><p></p><p>So a bit normal at first, only gental with warm ups and lots of checking, good solid hard driving from 50 miles on.</p><p></p><p>What do you guys do?</p></blockquote><p></p>
[QUOTE="tt335ci03cobra, post: 15169621, member: 68944"] I'd break in brand new vehicles like this, though every "new" vehicle I've always had was at least over 30 miles, bastards already had test driven em, just not bought them/signed a title. Anyways. -first turn over: stationary start up with break in oil, let the engine reach optimal temp while listening for any sound, shut off if any (obviously). A few easy general revs to 3, 4, 5, and 6 thousand rpms. Only elevating if no irregular sounds occur. Bring it back to idle, turn it off, change oil. I'd check the transmission oil as well. Likely to find metal shavings or foreign matter in this oil. -on a natural oil, I'd again bring it to temp while idling. Go for a smooth, basically normal drive, but avoid lingering rpm. I'd stretch the gears to 4000rpms or so each, not quite wot, but over half throttle. Also depends here if boosted or na. Around the 50 mile mark, I'd change the oil once again. I'd check the diff oil, and trans oil as well as coolant and brake fluid. Belts, hoses, etc. factory guidelines/inspectionstolerance is great when techs do their installs correctly, not so useful when they don't though. -at this point onward, anything from gaskets to seals, to springs has seen temp and load/stress to seat/set well. Hammer down. I keep an effort to vary rpm, and always treat a cold start to a nice warm up period (135-150* coolant temps now, no need to go full warm up). But in general, I drive a car harder from its 50-1000 mile mark than I usually well for the rest of its life (comparably in a 1,000 mile window). Lots of wot pulls, a healthy amount of smooth/quick launches, burn outs, a drift or 20, a top speed run, a quarter mile pass, etc. I switch to the natural gas based pennzoil ultra synthetic (I want to try amsoil) at 1,000 miles, because it's more like 5,000 miles with that kind of driving haha. I check all fluids and hoses/belts again at 250, 500, 750, and 1000. If a car is well known to internet maximization threads and hobbiests, I look to see if anyone is running a better fluid concauction for transmissions (scotty's blend for subbies is an example), so on. So a bit normal at first, only gental with warm ups and lots of checking, good solid hard driving from 50 miles on. What do you guys do? [/QUOTE]
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My Car Died on day 2 with 53 Miles on it
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