speed limiter

[mudflap13]

can anybody help with this i have searched but only found stuff on the klze engine i have a b6

[Mi|<E]

First try not to post more than once about the same thing, you may tick
someone off.

Second you have a B6 Auto and your wanting a higher top speed and
redline (from other post) ?

That is likely not possible with the B6 auto as its kind of a craptastic
tranny. Your best bet would be to swap to a manual transmission
because I doubt anyone has tried or knows how to do what your
asking. My first impression is do not bother it will be more expensive
and take more time than a simple manual swap out.

If you want to increase the top speed of a manual trans you can
change the 5th gear to some 626/mx-6 gears to drop about
500-600 rpm at cruising.

[shameem]

B6ME or B6DE?

The SOHC does not have a speed limiter - as there is no speed input to the ECU.
The DOHC provides speed input to ECU - but i dont know if it's used to limit top speed.... You can cut the wire going to ECU to possibly disable it - but make sure you buy life insurance before you do that...

[Mnemonic]

you don't need to go faster than the car allows you

[onlytrueromeo]

^ I dont know what you're talking about, I put a ZE in my GS so I could go faster than the car allowed (though not top end speed, so I guess the point is moot)

I wouldnt want to push the auto anymore than it already is since they tend to break easy.

[SuperK]

If you have a b6, you'll never hit the top speed anyways. The fastest mine has ever done was almost 130... And it takes a LOT of road to ever do that.

If you're looking to eliminate the rev limiter, that could be fun. If you have a manual tranny.

[mudflap13]

thanks for the input i had the motor out this past month and i redid the bottom end while i was at it i had the rotatin assy balanced i build alot of circle track motors whith my guy he offered to do it for 100 bucks (normal sbc runs bout 300) so i said shure why not so i wanted to raise the revlimiter a bit i wish it had a manual tanny but for the price i got this car i couldnt say no ( put it this way the lady thought shew blew it i knew it wasnt it had ans it measured out 5 1/2 quarts in it ) so i gave her what she was askin for it with all sorts of new parts axles sa=tarter distributer alternater battery about 1500 bucks worth oh and new tires took it home fixed the oil leaks redid a bit of wiring put some guages in it been drivin it ever sence i figured id drive it till it broke then drop a 350sbc in it but now thinkin bout doin a manual swap ( i personally cant stand an automatic) and putin a turbo on it i must say im a full blown muscle car guy but i kinda like my mazda its my first jap car and i like it - thanks again

[bfamiluyi]

If you have a b6, you'll never hit the top speed anyways. The fastest mine has ever done was almost 130... And it takes a LOT of road to ever do that.

If you're looking to eliminate the rev limiter, that could be fun. If you have a manual tranny.

^ what! i don't no that much about mazda engine, but if you rebuild the engine and boost it, add a light weight clutch, remap the ecu and add a spray. there is no reason anyone can't beat the speed limit, you just have to be willing on spend more money and also known what you are doing

[SuperK]

I said B6, not boosted B6.

Big difference. A boosted B6 is a mean little engine and shouldn't be underestimated. it can turn some wheels.


A B6?

[bfamiluyi]

lol sorry

[Ryan]

What are you all talking about... my SOHC goes 170 km/h easy...

[SuperK]

which is 105 MILES. See how long it takes to get to 209 kilometers.

[Ryan]

oh, I remember seing on Youtube it tops out at ~190.... which is ~115?