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Bf Auto Vs Manual Transmission


zafeniak

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  • Member For: 19y 3m 15d

I have been given the impression that the ZF auto is quicker down the 1/4 mile in stock form than the manual.

And I can tell you from experience that sometimes the car isn't so interested in changing into 3rd gear at full noise at around 100 kph (end of 2nd gear). Mostly due to my crappy clutch work, but I don't think that is the only reason.

I used to drive skylines and never had these shifting issues in those - and they revved a lot higher.

At the end of the day I think just go with what you want - the technical articles are of little real world interest, even the theoretical 1/4 mile considerations.

The decision I believe is now personal, they are simply at least equal in their capabilties - and each have their advantages.

Auto tow better, get better fuel economy, (maybe make better power)

Manual heel toe better, make the drive a bit more involved (using another foot).

So what do you want out of the car? Will it drive 1/4 all day? Is it a dedicated circuit weapon? A daily driver with some poke?

Edited by Mildman
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  • www.australianflag.org.au
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  • Member For: 19y 7m 9d
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hey guys, thanks for your  help,

as for the auto not losing boost pressure, you can do the same with the manual, just  hold the accelorator down slightly when shifting gears which will keep the butterfly open, but you must shift quick.

So for a standard BF XR6 TURBO, the times are about the same is this correct (If one drives manual very well)?

nd plus with auto you wouldn't be able to get the sexy flutter if you wanted to between gear changes.

I guess I will just have to drive both cars and determine this for myself, you guys seem indecisive. lol...

Cheers guys!

Mate, I take offence to the above post. Eveyone who has replied to your post has given you their knowledge and experiences. So no indecisiveness at all. Reguardless of what has been said you appear to be adamant about a manual, in my opinion rightly so. So either buy a manual, or test both and make a decision. but stop f*cking the forum around.

Scotty

PS Mods I hope this is not out of line.

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  • F6+300+
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  • Member For: 20y 3m 18d
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And I can tell you from experience that sometimes the car isn't so interested in changing into 3rd gear at full noise at around 100 kph (end of 2nd gear). Mostly due to my crappy clutch work, but I don't think that is the only reason.

Try running TransmaxZ in the gearbox and see how it goes. :rockernana:

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  • - Track Bound EVO III -
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  • Member For: 20y 2m 11d
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And I can tell you from experience that sometimes the car isn't so interested in changing into 3rd gear at full noise at around 100 kph (end of 2nd gear). Mostly due to my crappy clutch work, but I don't think that is the only reason.

There's your problem right there.

You over rev.

The end of 2nd gear is at 80-85kph. Not 100kph.

I can flat change 2nd - 3rd and not get any engine over rev by dropping shift points, and I also don't get out of peak torque. ( I also don't have an in-gear limiter set either ) The F6 clutch helps this a great deal too.

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  • Member For: 19y 3m 15d

I'll give it a try tonight - I'm only changing at 100kph as that is about 6000rpm (the rev limit). This seems to be quicker than short shifting 2nd - but as I have never gone down the quarter to check....I could never be sure.

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  • Member For: 19y 1m 17d
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Manuals are better.

Jeff.

Most of the time I'd agree, but in a Turbo and with a boz as good as the ZF it's the perfect choice. If the T56 was a super quick slick shifting box ala Porsche 911 then it'd be hard to pass up. On any other car but the turbo, I'll always go manual and for small capacity NA engines, autos are complete waste of time and should be banned.

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