409whp Yay

[Evo Scooter]

Very nice numbers!! So... Where do you get your tuning done? I have a MS3 I may need some work done on...

 

[JOMO]

Very nice numbers!! So... Where do you get your tuning done? I have a MS3 I may need some work done on...

www.billetdesign.com

Cwill works there. They can do wonders for your evo too. They specialize in them.

 

[Evo Scooter]

www.billetdesign.com

Cwill works there. They can do wonders for your evo too. They specialize in them.

I think a lot of TEMEVO have the Billet headers on their cars... I'll have to check it out. Thanks!

 

[MazdaSpeed626]

What your ignition advance at 24psi?? hell, what's your igntion advance at 12psi? i'm still trying to sort out timing, and i've been playing it on the safe side, keeping it to a steady 20 degrees advance btdc at 14psi....

 

[TurfBurn]

Easiest way to sort out timing accurately and safely to the maximum is the J&S Safeguard. A lot of the bigger cars on here run them, and they are well worth the money!

Advance amount depends hugely on a lot of factors so it's not easy to just translate from one car to another, compression, turbo/intercooler efficiency, octane, spark plug type, etc all have an effect.

 

[Dpwhitehead1]

Easiest way to sort out timing accurately and safely to the maximum is the J&S Safeguard. A lot of the bigger cars on here run them, and they are well worth the money!

Advance amount depends hugely on a lot of factors so it's not easy to just translate from one car to another, compression, turbo/intercooler efficiency, octane, spark plug type, etc all have an effect.

ok i'm gonna be running the mpi tuner, would i still need the j&s?

 

[Blackrose]

ok i'm gonna be running the mpi tuner, would i still need the j&s?

No one needs one per say. The J and S alows you to tune very agressively and if you made a mistake.... or there is an unwanted variable, the J and S will detect detonation and pull timing for you on the fly. It is a tool and also a safegaurd against potential motor damage. Its an awsome unit.

 

[Dpwhitehead1]

No one needs one per say. The J and S alows you to tune very agressively and if you made a mistake.... or there is an unwanted variable, the J and S will detect detonation and pull timing for you on the fly. It is a tool and also a safegaurd against potential motor damage. Its an awsome unit.

i'm saying...with my engine management/piggy back, will it work with, or can the MPI do this?

 

[LinuxRacr]

MPI does not do knock detection. The J&S does work with the MPI. You have to hook up the J&S to the same fuel pump power wire if you do though I believe.

 

[Dpwhitehead1]

MPI does not do knock detection. The J&S does work with the MPI. You have to hook up the J&S to the same fuel pump power wire if you do though I believe.

ok cool. i'm double checking w/ dana..since he'll be doing the install anyways.

 

[TurfBurn]

the peeps above all pretty much covered it. Also, over the long term we can usually get John to reconfigure them for minimal costs if you go to a different vehicle in a couple years or something...

You can get the J&S Safeguard right off our website at www.nsnmotorsports.com and we'll handle the contacting him etc which is usually the most difficult part for people, and we sell the units for 510 plus shipping normally which includes the sensor and everything.

Later!

Steve

 

[TurfBurn]

One other way to think of it is like a wideband. Would you try to tune your fuel without a wideband? Hell no. So why would you try to tune your timing without a similarily accurate gauge? I'm obviously simplifying things a good bit, but it can be somewhat boiled down to the above point, and on top of that the insurance against losing your motor is huge. I don't think we know of a single protege motor that has popped when running a J&S.

 

[Blackrose]

I don't think we know of a single protege motor that has popped when running a J&S.

And Im hopeing to keep it that way.

 

[Ddrop]

if you go megasquirt, you could prolly rig something up like the j&s safeguard...it would sure as hell cost alot less then a piggyback + j&s system

 

[TurfBurn]

if you go megasquirt, you could prolly rig something up like the j&s safeguard...it would sure as hell cost alot less then a piggyback + j&s system

I REALLY hope you mean that the megasquirt would be the cost savings... there is NO way in heck to rig up something to replace the J&S.

 

[Blackrose]

if you go megasquirt, you could prolly rig something up like the j&s safeguard...it would sure as hell cost alot less then a piggyback + j&s system

There is not a single thing on the market that comes close to the J and S. Yes you can control timing with some EM systems. But the J and S is on the fly timming control. It listens to the motor and if it hears detonation it pulls acording to need. And yes I know some EM systems use a knock sensor to pull timing but I have never seen one that will pull more than 8 degrees nor will it do individual cylinders. So unless you have ESP and can tune your car for any and every situation you will come across on the road this is the end all for detonation protection. Can you tell me what your timming maps should be if its 80 degrees out with an 88% humidity driving up a 14 degree slope with X atmospheric pressure at X water temp at X IAT.....etc.

Ive had people try to talk me out of this thing before I bought it. Now every one of them wants one. Just remember $600 is way cheaper than a new motor + labor + other various things you need.

Like stated before it is an awsome tool. Keeps your motor happy and alows you to tune with a little window for error. A buddy of mine just put EMS in his car. Made some mistakes on his ignition timming and destroyed his head gasket. He is lucky thats all that poped.

 

[TurfBurn]

Yeah.. people don't get/understand that the J&S is a dynamic system not static... even the AEM's "knock protection" is kind of a joke as it is basically a microphone level setup... you can set a threshold for allowable "noise" from the knock sensor and do it based on rpm.... SOOO you have to guess/set based on what you "think" will be knock.. and any change in valve train noise (think valve tick from cold temps etc) you will be wrong... blah blah blah.. just one simple example where there just isn't anything that will get close. I've talked to John and he has said there are a few systems out there that are somewhat comparable... but they start with pricetags around 3,000.

 

[Ddrop]

pardon my lack of knowledge on the jgs system but...

Whats the difference between that and jgs knock sensor and a normal one? I thought a knock sensor was just that. How is the jgs able to detect real engine knock from engine noise? Isnt it just a normal knock sensor thats pre-set so it knows the difference between engine noise and knock?

Im aware of a few local megasquirters that are running 4 knock sensors with their megasquirt (1 er cylinder) . the software is totally programmible so that you can retard the timing as much as you want for whatever knock levels u get.

 

[Moeed]

pardon my lack of knowledge on the jgs system but...

Whats the difference between that and jgs knock sensor and a normal one? I thought a knock sensor was just that. How is the jgs able to detect real engine knock from engine noise? Isnt it just a normal knock sensor thats pre-set so it knows the difference between engine noise and knock?

Im aware of a few local megasquirters that are running 4 knock sensors with their megasquirt (1 er cylinder) . the software is totally programmible so that you can retard the timing as much as you want for whatever knock levels u get.

It is the algorithms that separate the j&s from all the other knock detection systems. John also has something like 50 years of engineering experience. The guy is a electronics genius. Major EMS manufactorers have tried to even copy his stuff (rhymes with ready)

 

[TurfBurn]

not to mention about a half dozen other companies that have asked to buy the technology or integrate it in to their systems etc... Plenty out there know they can't touch it on their own.