how much power from a de-cat and k&n 57i???
16 July 2008, 01:36 PM
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how much power from a de-cat and k&n 57i???
i have a classic 2000 turbo uk scooby, standard apart for first cat back 3`5 pipe! i run v power fuel always, was just woundering how much difference a de-cat and k&n 57i would make with the power??? 
16 July 2008, 02:40 PM
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i have a my00 uk car and i have just had mine mapped from standard 218 to 260 with just a kn and a sports cat ..
got a vf35, upgraded fuel pump and boost solinoid to fit , hoping to see about 310 after another remap
got a vf35, upgraded fuel pump and boost solinoid to fit , hoping to see about 310 after another remap
16 July 2008, 05:28 PM
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i was thinking about getting it mapped, but my last 00 uk that i had 2 years ago was and was running 296bhp on the print out from power engineering, and 5th gear dropped out! i was told coz it was running that power the uk box could`nt take it!! so dont fancy a gearbox build on this one so just playing it safe with basic mods! wimpy i know lol!!
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16 July 2008, 07:59 PM
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i was thinking about getting it mapped, but my last 00 uk that i had 2 years ago was and was running 296bhp on the print out from power engineering, and 5th gear dropped out! i was told coz it was running that power the uk box could`nt take it!! so dont fancy a gearbox build on this one so just playing it safe with basic mods! wimpy i know lol!!
thats strange been told that the standard gearbox is good for about 350bhp
maybe someone could advise us both then !!!
16 July 2008, 08:03 PM
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It's not about the horses, it's about the torques 
It's generall accepted that 300Ib/ft+ is entering the dodgy zone but at the same time many have gone way beyond and survived. It's all down to what sort of life the box has had and very much down to luck
It's generall accepted that 300Ib/ft+ is entering the dodgy zone but at the same time many have gone way beyond and survived. It's all down to what sort of life the box has had and very much down to luck
16 July 2008, 08:05 PM
#10
Gearboxes will last much longer if you are mechanically gentle with them, even upto 400bhp/400lbft. But as a guide once your power and torque start with a 3** then you are risking a failure.
If you like to drag start, then even at standard power, they can and do fail.
If you like to drag start, then even at standard power, they can and do fail.
16 July 2008, 08:11 PM
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so can you upgrade the gearbox and what sort of money are we talking ...
starting to get nervous about having bits fitted after already losing one scooby to bottom end failure
starting to get nervous about having bits fitted after already losing one scooby to bottom end failure
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