TunerPro RT vs. F.A.S.T. System

Syonara

New member
I am in the middle of my build and starting to read up on the diff. ways for tuning...Pros and Cons?? Help....... Fast or TunerPro
Michael
 

crashing_sux

Blow Me?
Re: TunerPro RT vs. F.A.S.T. System

I'm not up on all of the differences but I'll throw out these.

IMHO, FAST is easier to use. Being able to tune for different target a/f ratio's is handy as hell.
I have a hard time knowing if the knock retard on the FAST is working properly, wish there was a knock count feature as well as just knock retard.

FAST doesn't have TC lockup control (I think the newest one might, but not the one most members are using).
 

Maxtor

New member
Re: TunerPro RT vs. F.A.S.T. System

FAST is very easy to learn and navigate out of the box. Another advantage is that the dataloger is integrated into the package. Buy the PTE adapter and it is plug-and-play. Also, FAST allows WBO2 fueling corrections when running in closed loop mode - even at WOT. Many people here know FAST and can help you. Big disadvantage is cost ($2k+).

Tuning the stock setup is more difficult to learn/navigate out of the box. You can get around buring chips with a romulator, then have someone burn you a chip when you are satisfied with your tune. By the time I bought chips/burner/eraser/romulator/datamaster/promgrammer/tunercat/chip carrier with selector box I had a few dollars spent on the stock setup, and had a long road to learn how to use all of it. I spent a long time trying to piece together information to learn because many people who know WTF they're doing won't share information. Phil Long has changed this landscape considerably, and I believe he has helped a number of people running the stock ECM.
 

Jer

Don't taze me bro!
Re: TunerPro RT vs. F.A.S.T. System

The MegaSquirt was also mentioned and discussed briefly in another thread. Might want to search and check it out as it sounds like a very viable option for us and considerably less expensive than the FAST system.
 

Rawpwr7

Donating Member
Re: TunerPro RT vs. F.A.S.T. System

Mega squirt does not support timing on odd fire engines, but you can still use it to control fuel.
 

100in6

100in6
Re: TunerPro RT vs. F.A.S.T. System

but how many people are running odd fire engines? my son has a megasquirt on his car and also the new spark control. if it will work on a syty it is definitely a consideration. unless you are gonna be a big motor dragracer i think the tunercat/rumulator is a pretty viable alternative. phil has proved that. if money and a lot of time installin a fast is not a problem then go for it. otherwise, i think it is a pretty good alternative.

and for what it's worth my last sy had a fast system so i know a little about what i'm talkin about... right mark :)
 

Jer

Don't taze me bro!
Re: TunerPro RT vs. F.A.S.T. System

Rawpwr7 said:
Mega squirt does not support timing on odd fire engines, but you can still use it to control fuel.

Very interesting info. Thanks!
Ok.gif
 

Jer

Don't taze me bro!
Re: TunerPro RT vs. F.A.S.T. System

100in6 said:
but how many people are running odd fire engines? my son has a megasquirt on his car and also the new spark control. if it will work on a syty it is definitely a consideration. unless you are gonna be a big motor dragracer i think the tunercat/rumulator is a pretty viable alternative. phil has proved that. if money and a lot of time installin a fast is not a problem then go for it. otherwise, i think it is a pretty good alternative.

and for what it's worth my last sy had a fast system so i know a little about what i'm talkin about... right mark :)

I may be wrong but aren't all the 4.3's in these oddfire?
 

93ty475

Donating Member
Re: TunerPro RT vs. F.A.S.T. System

I know nothing about megasquirt, but for now, you'll likely be on your own right now if you put it in a syty....the tunerpro/tunercat route can likely get you closely tuned via email for cheap if you have a some cash to offer one of our resident tuning guru's even if you don't have any chipping skills.....the fast system, from what I understand, offers wbo2 closed loop fueling corrections which is hard to beat....But some smart guys here (dig) have made it possible to datalog wbo2 data using more affordable plx or innovative setups via datamaster....If I were you, I'd hook up with a willing and able stock syty ecm tuner here and send him a few dollars to get you closely dialed in.....the stock syty ecm has come a long way in the recent months/years....reread maxtor's post above.....he knows both very well....right Les? ;)

Jer,

oddfire is an expensive and uncommon route to go with these trucks especially for streetable goals....100% of us are evenfire from the factory......hoovers are oddfire and yes they among and often the fastest.....
 
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crashing_sux

Blow Me?
Re: TunerPro RT vs. F.A.S.T. System

My buddy has a FAST system in his truck and he just had a shop install an alcohol injection system and tune his truck (489hp to the wheels @23psi) and they disabled the wb02, said it wouldn't work correctly with the alcohol. I'd been wondering about that myself, as the correct a/f ratio for alky is different than gas.

Is this bs, or is that just a rarely mentioned downside of alky, that wideband units become fairly useless?
 

warmpancakes

New member
Re: TunerPro RT vs. F.A.S.T. System

Alky causes the o2 to get false readings. If the system is tuned properly he shouldnt nead alky unless hes trying to run cheap gas. Look into a accel DFI they ggive you the ability to run full sequential with their driop in Distributor. Mike Lee sells it and Ed Hess has has pretty great luck with it.
 

Rawpwr7

Donating Member
Re: TunerPro RT vs. F.A.S.T. System

Actually running more octane gets rid of false knock. that is how you determine if you have false knock run higher octane.That is what alky is "more octane" so it does not cause false knock it gets rid of it. And our trucks are 100% odd fire. Thats why no one here runs Megasquirt because it does not support oddfire engines.
 

Rawpwr7

Donating Member
Re: TunerPro RT vs. F.A.S.T. System

Back when i first got my TY I was going to use Megasquirt i asked that question and was told that our cranks are oddfire and was told it was not supported by MS. so i canned the MS plans. And if our cranks are even-fire i apologize. but in knowing this Now i will put MS in the TY.
Thank you
 

Jer

Don't taze me bro!
Re: TunerPro RT vs. F.A.S.T. System

Rawpwr7 said:
Back when i first got my TY I was going to use Megasquirt i asked that question and was told that our cranks are oddfire and was told it was not supported by MS. so i canned the MS plans. And if our cranks are even-fire i apologize. but in knowing this Now i will put MS in the TY.
Thank you

I'm confused too because I was ordering a part (forgot which one now) and it said that it was for oddfire engines so I started checking out other parts thinking our engines were even fire. I ended up finding somewhere that they were indeed oddfire. I don't know enough to state either one for sure but did see oddfire for them.

Can someone please clarify?
 

Maxtor

New member
Re: TunerPro RT vs. F.A.S.T. System

Our engines are even fire, period. Do a couple of seconds of searching and you will find plenty regarding even fire/odd fire engines. If you are determined to use Megasquirt in our application (and I DO think it is a very good system when considering bang vs. buck), you had better have a firm grasp on tuning b/c you won't get much help from anyone here due to lack of experience in our application. Tuning from scratch isn't for the inexperienced.

I have never read, nor heard that alcohol causes false readings on the WBO2. In my experiences over the last five years using alcohol it does not cause false readings. Alcohol burns as fuel. All other things equal, O2 readings will be lower when spraying alcohol because you are introducing more fuel into the cylinders. What evidence exists that supports WBO2 readings will not be accurate with alcohol?
 

Jer

Don't taze me bro!
Re: TunerPro RT vs. F.A.S.T. System

Maxtor said:
Our engines are even fire, period. Do a couple of seconds of searching and you will find plenty regarding even fire/odd fire engines. If you are determined to use Megasquirt in our application (and I DO think it is a very good system when considering bang vs. buck), you had better have a firm grasp on tuning b/c you won't get much help from anyone here due to lack of experience in our application. Tuning from scratch isn't for the inexperienced.

I'm not saying they aren't but I did find info stating both ways here and on other sites as well. I just want to know for my personal knowledge. Everything I've read about the MegaSquirt seems good so I'm still considering this for myself. Can I add a standalone timing control device like what MSD offers to control timing since the MS doesn't have provisions for this?

Maxtor said:
I have never read, nor heard that alcohol causes false readings on the WBO2. In my experiences over the last five years using alcohol it does not cause false readings. Alcohol burns as fuel. All other things equal, O2 readings will be lower when spraying alcohol because you are introducing more fuel into the cylinders. What evidence exists that supports WBO2 readings will not be accurate with alcohol?

I have heard this but on standard O2 sensors and not the wideband versions. I think it has to do with standard O2 sensors being very temperature dependant and since the alky injection tends to lower your EGTs it can also affect the readings taken from the O2 sensor. I think the widebands do a better job with alky applications and are still just as accurate as w/o alky.
 

93ty475

Donating Member
Re: TunerPro RT vs. F.A.S.T. System

here we go....isn't there an entirely seperate thread somewhere on here discussing megasquirt? this is supposed to be about tunerpro and FAST.....
 

Maxtor

New member
Re: TunerPro RT vs. F.A.S.T. System

With the stock O2 and ECM, you run open loop at WOT when most people spray alcohol.

I don't want to take this too far off topic, but the link below has a good article explaining how alcohol affects O2 output. It talks about ethanol, but is relavent for methanol as well (stoic around 6.5/1).

Tuning Tip: Ethanol Content

http://www.innovatemotorsports.com/resources/news6.php
 
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