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Sedans Pontiac G8 2008 Pontiac G8
1265 messages, Last post on Jul 21, 2009 at 10:14 AM
You are in the Pontiac G8 Forum. Your Hosts are pat & karens
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Replying to: white6 (Apr 06, 2009 5:30 am) |
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Replying to: mrpushrod (Apr 06, 2009 6:27 am) One of the disadvantages of an AT is the power loss from the torque converter when it's not locked up. There's less power reaching the drive wheels, compared to the direct gears of a manual.
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Replying to: wideglide (Apr 07, 2009 12:12 am) This is true and was a big issue in the old days with 3 speeds. That said, autos these days lock up when cruising on the highway (very little loss in MPG). The electronic lock is released on acceleration. Some of the sophisticated semi autos do not have this hangup. The other big advantage to a manual is being able to dump the clutch from a standstill. This is especially an advantage on 4WD 4 cyl cars like the WRX which can grip during the influx of energy. It is a false launch as these vehicles show there real colors (lack of torque) once the engine slows down. Some of these 4WD vehicles accelerate to 60 faster under slippery conditions. It utilizes the engine momentum for a longer time. A buddy of mine did this with his WRX all the time. The car sounded like it was going to blow up when he did it
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Replying to: mrpushrod (Apr 07, 2009 5:10 am) The G8 GT has enough torque that the limiting factor with both the manual and automatic is melted tires during takeoff. The gear ratio of the G8 GXP provides closer shifting points (in terms of mph) at the expense of potentially needing extra shifts. |
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Replying to: pafromfl (Apr 04, 2009 7:16 pm) I'm no longer sure about my above claim. Pontiac Performance just printed an article that claims the manual is "a hair quicker" than the automatic. An earlier Edmunds article claimed "the Pontiac guys casually mentioned that a GXP equipped with the automatic will out-accelerate the version with a manual transmission". Somebody needs to go buy both and compare them.
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Replying to: pafromfl (Apr 07, 2009 1:07 pm) Hell yeah, sign me up!!! BTW, who's paying?!? 
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Replying to: pafromfl (Apr 07, 2009 1:07 pm) This is not surprising. With the auto, it's pretty much a matter of holding the pedal to the metal (with maybe some powerbraking). With the manual, there are a lot more variables, not the least of which is (manual transmission) driving skills. So it only goes to figure there would be differing results there. Personally, I'll do the shifting myself.... then again, over the last 30 years, probably 75% of my cars have been manuals.... Most of the automatics have been "fill-in cars" - like my current Acura CL 3.0 - that bridge the gap between the cars I really want. Right now, I'm debating whether to use my tax check to fix my wrecked (since 2005) 2000 SVT Contour, or buy something new, or slightly used. The Contour isn't blindingly fast (0-60 in 6.9), but it is a blast to drive on a mountain road, and has very neutral handling for a FWD car. And it only has 45k on the clock, and is paid for, which is always a plus. 
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Replying to: white6 (Apr 06, 2009 5:30 am) The domestic auto guys are in shambles, and dealers are folding up shop in groves, so there is concern for service, parts, and resale value. The White house turkeys are hell-bent on reforming our good old gas habits and make golf carts the standard wheels.. Owned 43 cars in my 75 yrs., lots of the Grand Prixs in the early to mid seventies w/big blocks--great machines..Interested in trading the 2006 GPGT in on something larger offering more comfort for four..My 09 Bullitt has taken care of the performance need along with the racket, however my interest is coming back to the G8 for pleasure..Any info would be helpful..
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Replying to: motorcity6 (Apr 08, 2009 11:21 am) "I assume you are driving the V-6 model..." By definition, a G8 GT is a 6.0L V8. Not the V6. - Ray 09 G8 GT driver...
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Replying to: rayainsw (Apr 10, 2009 2:42 am) 
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