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i know i've asked questions about chips and injectors before,

 

 

the guys i work with hate the zed, manly because almost everyone that's come in have caused nothing but problems (mine included), i take nothing but stick for driving one,

 

well in one of the "your cars a pile of cr@p" discussions, they have decided my zeds slower then a std R32 GTR, which i protested, to cut a long story short i think i've just agreed to race one and a few other cars they have decided are faster on a drag strip....

 

baring in mind my zed will have its new turbos by the time we actually organize this, how hard can i push my autobox?

 

ill be sorting out the max safe boost levels, AFR etc before hand too, just don't know how the box will cope with the increased power and hard usage.

 

 

*sorry to anyone who anyone who thinks its a bad idea, but im fed up with hearing it and need to prove a point once and for all*

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A well looked after good nick autobox can take a lot of power. Don't know how much exactly but I would have thought 450bhp would fine.

 

The experts will be able give you more accurate figure though.

These cars are 20years old learn from me i went through 4 auto boxes in my tt before i went manual i wouldnt say they are good for 450 bhp un less they have been rebuilt ..

  • Author

thanks,

 

im planning a manual conversion when i have more money,

 

was going to do it now but the funds are going on the turbos as im fed up with smoking at traffic lights lol.

 

my zeds currently ~270rwhp (sounds crap but it is an auto) im hoping for 300rwhp with the new turbos and the afr sorted out.

 

i want it manual and the engine rebuilt before i go to 555cc injectors etc.

  • Author

sounds like its very much luck of the draw then?

 

i think ill just chance it, its only going to be one day of hard use, if it goes bang then ill just have to do a manual conversion....

if it all goes bang you mates will say we told you so :lol:

 

Do an oil change before you go for a blast :)

sounds like its very much luck of the draw then?

 

i think ill just chance it, its only going to be one day of hard use, if it goes bang then ill just have to do a manual conversion....

 

Just take some precautions first mate. i.e. you could change the fluid. But as you say it is a bit of pot luck really. iirc the s2 Autobox was stronger than the s1 but that's no guarantee that it won't fail. As said they are nearly 20 years old now :)

If its off the line the gtr will always get the jump. I hate 1/4miles. should be 1/2 miles :)

Macs had the fast road box in though didn't it?

 

not sure. i knew he was having a custom one made.

  • Author

haha,:tongue_smilie:,

 

i change all the fluids quite regularly anyway, but was going to give it a special service before hand,

 

luckily for me i do have my old zeds toyo R888 trackday tires sitting in the garage, too dangerous for road use (nearly killed me in the rain) but will help get the power down off the line

 

they think i should buy a gtr but the point im trying to prove to them is that a 1K zed with about 2K's of mods and repairs can beat a 7-10K gtr

 

 

ill make sure its filmed so i have proof to show them every time they doubt it.

I think your going to have to go with an open mind. Bearing in mind the standard GTR will be producing more than its book of 276bhp well known fact they were considerably more powerful than nissan stated.

 

Against an automatic zed? From a standing start I think you'll need all the luck in the world!

  • Author

obviously you've never seen my zed... :cool3:...lol

 

GTR might be over 280bhp but is also nearly 20 years old, and i rolled 270RWHP a month or 2 ago. and its getting bigger turbos in 2 weeks time

 

and baring in mind on paper it slower then my old zeds its getting power out of somewhere as its much faster. left my mates GT4 celica (350bhp on same dyno day)

 

if i do lose it'll be manual box, 555cc injectors rebuild the engine and and NA diff, and have another go, (will still cost about the same as a GTR...

Macs zed is running around 600hp on the auto box and he swears by them :)

 

Mac swapped to manual box about 3 or 4 years ago. Before then It had a Fast Road box (modified automatic)

Edited by Yowser

an NA diff will help on 1/4 mile. apparently it's a whole 1second 0-60. cheap mod ....big gain.just a thought if you don't already have one.

  • Author
an NA diff will help on 1/4 mile. apparently it's a whole 1second 0-60. cheap mod ....big gain.just a thought if you don't already have one.

 

its on my list for when i do the manual conversion,

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