Two-Five Sti-L Posted February 3, 2006 Share Posted February 3, 2006 Are there any potential heat/longevity issues with driving a turbo'd car, esp. if its been reflashed for higher boost, over long distances, say 400+ miles at a time? Would it be a good precaution to stop and let the turbo cool off for a period of time after the long drive? Or better yet, de-tune the level of boost in advance of the long drive ahead? Link to comment Share on other sites More sharing options...
tintinet Posted February 3, 2006 Share Posted February 3, 2006 No. I've driven nearly 1k miles per day in my 02 Stage 2 WRX. No problems ever. Link to comment Share on other sites More sharing options...
rallispec Posted February 3, 2006 Share Posted February 3, 2006 i drove my stage 1 legacy 1000 miles (from va to s.c. and back) and averaged 29mpg while doing it... no problems. Link to comment Share on other sites More sharing options...
Xenonk Posted February 3, 2006 Share Posted February 3, 2006 nope, MD to FL and back.. no issues.. 15 hours of driving down one way and another 12 back... (even took the Mountain Passes through TN and GA to get to FL and still had no issues).. besides, you'll have to fuel up every 350~400 miles anyways. When you refuel, your car will have a chance to cool down a bit and rest up some. Keefe Link to comment Share on other sites More sharing options...
wunderkind Posted February 3, 2006 Share Posted February 3, 2006 I think cruising at around 2500rpm in 5th is not gonna stress the engine and turbo at all. Link to comment Share on other sites More sharing options...
Xenonk Posted February 3, 2006 Share Posted February 3, 2006 keep it under boost? I think even the Cruise control on Accel mode is limited to 7 psi Keefe Link to comment Share on other sites More sharing options...
deneb Posted February 3, 2006 Share Posted February 3, 2006 Did a 3700 mile trip in my LGT, with large portions at 80+ mph, no issues. Link to comment Share on other sites More sharing options...
AWDxBOOST Posted February 3, 2006 Share Posted February 3, 2006 keep it under boost? I think even the Cruise control on Accel mode is limited to 7 psi i saw around 12psi with stage 2 accelerating w/ cruise control Link to comment Share on other sites More sharing options...
John M Posted February 3, 2006 Share Posted February 3, 2006 The tubo is not some special or fragile component. Once it's up to normal operating temp it makes no difference how long you drive. It doesn't keep heating up as you drive, nor is it continually making boost while you drive. Turbos have been commonplace in cars for almost 30 years. They're the same age as radial tires, yet you don't worry about them anymore do you? Gas up the car and enjoy your trip! Link to comment Share on other sites More sharing options...
phoenix96 Posted February 4, 2006 Share Posted February 4, 2006 Are there any potential heat/longevity issues with driving a turbo'd car, esp. if its been reflashed for higher boost, over long distances, say 400+ miles at a time? Would it be a good precaution to stop and let the turbo cool off for a period of time after the long drive? Or better yet, de-tune the level of boost in advance of the long drive ahead? I did a 3200 mile drive in two and a half days a couple weeks after I bought my Legacy GT - one day was 17 hours of driving. No stops except fuel every 4 hours, and I was cruising at ~77-83 the whole way. There were no adverse effects as far as I can tell. phoenix96 2006 Legacy GT Ltd · 2011 Outback 3.6R Ltd · 1992 SVX 2006 Outback 3.0R VDC · 2009 Forester 2.5X 2002 Outback VDC · 1996 Outback 2.5L · 1986 GL-10 Link to comment Share on other sites More sharing options...
Whitestar Pilot Posted February 4, 2006 Share Posted February 4, 2006 If you are towing a trailer or boat then you might eventually cause some damage, since this would keep you in positive boost. Older turbo cars (like the Dodge Daytona) used to carry warnings about towing. Otherwise no worries. Link to comment Share on other sites More sharing options...
boomshnka Posted February 4, 2006 Share Posted February 4, 2006 8000 mile road trip in two weeks here...no issues at all other than ungodly amounts of dead bugs on the bumper Car ran great every day with no problems. It was during the summer so pretty high temps outside too. Chris Link to comment Share on other sites More sharing options...
phoenix96 Posted February 4, 2006 Share Posted February 4, 2006 Ah, that's right, I lied. There were a couple adverse affects on that 17 hour drive - a tumbleweed broke the turn signal lens on my passenger side mirror (yet to be fixed - part is ordered) and a truck spewing rocks managed to put 4 chips in my windshield. phoenix96 2006 Legacy GT Ltd · 2011 Outback 3.6R Ltd · 1992 SVX 2006 Outback 3.0R VDC · 2009 Forester 2.5X 2002 Outback VDC · 1996 Outback 2.5L · 1986 GL-10 Link to comment Share on other sites More sharing options...
RangerMan Posted February 4, 2006 Share Posted February 4, 2006 I drove 1700 miles in 4 days in my Legacy in the summer (heading south ending in central Texas). No problems. Link to comment Share on other sites More sharing options...
Vahkil Posted February 4, 2006 Share Posted February 4, 2006 a tumbleweed broke the turn signal lens on my passenger side mirror Update: Tumbleweed-2; LGT-0 Link to comment Share on other sites More sharing options...
neelnug Posted February 4, 2006 Share Posted February 4, 2006 in the owners manual it says that prolonged highway is not recommended for the Legacy GT. For the STI its strictly prohibited. Back roads only. Link to comment Share on other sites More sharing options...
godwhomismike Posted February 4, 2006 Share Posted February 4, 2006 I drove from Staten Island, NY, then to Danbury, CT, then up to Albany, NY. Two days laster made the same trip back to Staten Island. I've also done several two hour drives to Atlantic City, NJ. One long trip up to the poconos mountains. Multiple trips to Lancaster, Pa and also Danbury, Ct. She's great on the highway. Link to comment Share on other sites More sharing options...
Whitestar Pilot Posted February 4, 2006 Share Posted February 4, 2006 in the owners manual it says that prolonged highway is not recommended for the Legacy GT. For the STI its strictly prohibited. Back roads only. Yes, that is correct. It causes the muffler belts to wear significantly, and also makes it neccesary to change the blinker fluid more often. Link to comment Share on other sites More sharing options...
jlce88 Posted February 4, 2006 Share Posted February 4, 2006 Yes, that is correct. It causes the muffler belts to wear significantly, and also makes it neccesary to change the blinker fluid more often. Dang I hate it when that happens yep...those go along with a box of grid squares and reticle batteries. sorry, a work related joke! Link to comment Share on other sites More sharing options...
LIZARD Posted February 4, 2006 Share Posted February 4, 2006 Dang I hate it when that happens yep...those go along with a box of grid squares and reticle batteries. sorry, a work related joke! That's nothing that a couple yards of Flight Line won't fix!! Also I was under the impression that it was the muffler-bearings that were in question(?) Stage2.5376, TDC ProTune,blah blah blahhhh and....Alky/H20 injection Link to comment Share on other sites More sharing options...
rfd425 Posted February 4, 2006 Share Posted February 4, 2006 You'll be okay as long as you sprinkle dry ice chips throughout the engine compartment before any highway trip. Also, chilled gas will help. Link to comment Share on other sites More sharing options...
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