Pop it in D1 on an automatic while driving?

Question

How bad and detrimental is it on your vehicle to do this?

I had a '91 Oldsmobile Cutlass Supreme with a Quad 4 2.3L DOHC engine, and my friend used to make me slam it in 1st on the hwy at 45 mph 'just' to challenge other people, and I would get sudden speedups to

60+ in 1st gear with the selector in 1. He made me do this like few other times. Another time, we had done a similar thing in my mom's '97 Nissan Altima. We were going 50 MPH on a road. Popped it in 1st gear setting and sped up to 100 MPH at 7k rpm. No problems with either transmission as far as we could tell. The nissan is still running w/
240k miles on it 6 years after that incident.

sdlomi2 · Accepted Answer

...and we've both matured (aged, in my case) 6 years in the meantime?  s

cosmo · Answer

My buddie had a high performance mustang and did the same thing. Thetranny lasted about 3 months and the engine lasted about 6. Which ofcourse he did this a lot. Any time you redline an engine you run therisk of things coming apart.

Robby2687 · Answer

Did that mustang have a rev-limiter?Newer engines today have one to prevent damage to either.Newer transmissions will, I think, upshift gears regardless of the gearselector setting if RPM's or speed gets too high. And they 'supposedly'won't downshift below a certain gear unless the speed gets low enough.That Nissan went 100 MPH in 1st gear at 7000+ RPM when it was popped inD1 that day.

Mike Romain · Answer

No issues there, that is what the shifter is for. We off road and mud bog our Jeeps and folks even put kits in so the sucker will go to 1st and stay there because Jeeps only have a D2. If it shifts during a sand pit wall climb, you are done.

You just cleaned the carbon out really well. I'll bet there was a pile of black crap coming out the rear end.

Mike

86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 88 Cherokee 235 BFG AT's Canadian Off Road Trips Photos: Non members can still view! Jan/06

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komobu · Answer

This guy is obviously a troll looking for comments....No way are yougonna get a 97 Nissan Altima to 100 mph....let alone in first gear. Ithink this whole thread is bogus.

Robby2687 · Answer

Maybe it was possibly in 2nd gear instead. Newer transmissions I heard won't downshift to 1st gear even with the selector in "1" when at a high enough speed. So, my guess after all is it probably didn't go below 2nd gear even when it was in "1".

Pop it in D1 on an automatic while driving?

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