November Fastrack

[JoshS]

http://www.scca.com/documents/Fastra...strack-nov.pdf

[tom91ita]

ITC

1. #2616 (Brody Saari) Request rules explanation/reasoning
All air restrictions from the original fuel injection system must remain in place, although air metering devices may be added to support aftermarket ECUs.

is the comment regarding the "restrictions" have to be remain in place the question or the response?

if it is the response, just what does that mean? i consider the OEM air filter and inlet hose to be restrictions and they can be replaced.

[JoshS]

Nothing has changed, don't worry. The letter was specifically asking why the original air metering device had to stay in place if one was added.

[cjb25hs]

I am very glad to see my fellow pgh'er Brett Mars got the Focus ST classed in ITA. In my opinion this car could dominate the class. This car should be capable of putting down between 160 and 165 at the wheels and at a weight of 2680. I like the package

[dhardison]

I am very glad to see my fellow pgh'er Brett Mars got the Focus ST classed in ITA. In my opinion this car could dominate the class. This car should be capable of putting down between 160 and 165 at the wheels and at a weight of 2680. I like the package

I wonder if this means Brett is looking to run a Focus as well as the 'Stang? He was a force to be reckoned with in NASA SpecFokus a couple years back.

[Knestis]

Requests for "clarification" or "explanation" should *not* be handled through Fastrack. That's like asking a senator for an opinion about whether a particular law passes legislative muster. More words are almost never the right answer...

That official Fastrack item just opened up the rule - "A MAP or MAF sensor and its wiring may be added" - by saying that "air metering devices may be added." More than one and any type. While at the same time stipulating, as Tom points out, that we now have to worry about something called "air restrictions." Neither of those terms is in the GCR Glossary, btw.

Why can't we just leave well enough alone and let the systems work the way they are supposed to?

K

[Andy Bettencourt]

I am very glad to see my fellow pgh'er Brett Mars got the Focus ST classed in ITA. In my opinion this car could dominate the class. This car should be capable of putting down between 160 and 165 at the wheels and at a weight of 2680. I like the package

What is the stock HP on this car?

(Edit - did the research: 151hp. Interesting that the ST in 2006 is the only version of the Focus that has the 2.3L according to Edmunds.)

It would need to make 160whp to be 'at process'. HP in ITA is really creeping up. Mazda 3, this car...you got a big home track? These could be the ticket.

[JoshS]

HP in ITA is really creeping up.

That's probably going to happen in all the classes. We class based on power-to-weight ratios, and newer cars are both more powerful and heavier than older ones.

[joeg]

Yeah I owned a 2006 Focus ST as my daily driver a couple years ago (had an '04 SVT Focus immediately before it).

The ST was a great car; you could keep the SVT. I would not concern myself with HP; it has torque and good gearing.

At the weight, it should be a great ITA car.

[lateapex911]

I am very glad to see my fellow pgh'er Brett Mars got the Focus ST classed in ITA. In my opinion this car could dominate the class. This car should be capable of putting down between 160 and 165 at the wheels and at a weight of 2680. I like the package

OK, IF that's true, and IF we accept the "top dog" (bla bla bla, in everyone's minds, never really 'proven', bla bla bla) Miata puts 138 down at the wheels , we get 16.54 lbs/hp for the Focus, (using 162) and 17.25 for the Miata.

So, indeed, the Focus looks like it has potential...

But....

That said, 150 stock hp to 162 at the wheels is a just bit more than the standard 25%, (my math shows 160.4 at the wheels expected.)
Initial math 151 x .25=37.35, = 188.75 crank, x 14.5= puts it at 2736lbs, minus 2% FWD, (54.73) = 2680.
No additional adders appear to come into play, right?

IF you get 165 out of it, that's 14.5 x 4.5 =65.25 -1.3 (FWD) = 64. So, you'd have an advantage of 64lbs. ...
To me, it looks like a good listing, one that could threaten/win at certain tracks, but not necessarily all tracks....

[Andy Bettencourt]

Remember Jake, the power to weights are going to be off a bit because the FWD subtractor is taken off AFTER the P/W calc is done.

[quadzjr]

is the comment regarding the "restrictions" have to be remain in place the question or the response?

if it is the response, just what does that mean? i consider the OEM air filter and inlet hose to be restrictions and they can be replaced.

yoru factory air filter and intake tube can be replaced currently. However, you must still collect air from the stock location and cannot collect air from outside the engine bay unless it came stock that way.