flywheel or roll bar?

justanotheradikt · Oct 28, 2006

umm...other mods... full exhaust with awr header..cai... ss brake and clutch lines, ksports, rims, short shifter, thats pretty much all the performance stuff.

i dont drive like an ass on streets...just sometimes fast on the interstate when nobody is around. otherwise im pretty much a granny.

yea i am using my harness on the street cause the other one does not do s*** with the momo seat. that is why i was seriously considering the roll bar.

iracemine · Oct 28, 2006

yeah sparco needs to make a harness bar for the proteges(pissed)

low_psi · Oct 28, 2006

That'll just make more people use sub-par harness setups. There is a reason NASA has an "all or nothing" attitude regarding replacement of OEM safety equipment. You either get a fixed back FIA/braced seat, 5+pt harness and rollover protection, or you don't change any of it.

I'd get a 7 or 9lb flywheel.

122 Vega · Oct 29, 2006

I personally wuoldn't recommend a flywheel in a n/a situation, you just lose initial torque coming out of turns. for road racing, yes, but not for autocross. yes it will rev faster once you get it spinning, but you lose the inertia of the spinning flywheel when you put in the clutch or decelerate, so it will actually take longer to get back into the power band. With your header and your exhaust, you've probably lost low end torque already.

I would take the money and buy tires or swaybars first before either of the other items.

Britt

iracemine · Oct 29, 2006

so loss of low end power, quicker reving, smoother down shifting, and everything else a plus. hmmm i think a flywheel still sounds good to me.

justanotheradikt · Oct 29, 2006

from what i can tell (i know thats not very acurate) but the awr actually added some lower end power.

122 Vega · Oct 30, 2006

iracemine said:
so loss of low end power, quicker reving, smoother down shifting, and everything else a plus. hmmm i think a flywheel still sounds good to me.

We are talking about autocrossing here. and it's not quicker revving until the inertial breaking point, before that (which is usually below the powerband) you will lose torque. as far as smoother downshifting? explain this to me, because this is all technique plain and simple.

The AWR header is a 4-2-1 so you may have retained your torque, I was thinking it was a 4-1. But typically the larger exhaust will lose torque.

Britt

Tom03es · Oct 30, 2006

Go with the flywheel.

I put an 8lb flywheel (factory is 18 lb) in my Saturn autox car. I may have lost a little bit of low end grunt, but it's only noticeable at the starting line. Everywhere else on course it revs faster.

Let's put it this way- when I had the factory flywheel in the car, I would always be fighting with a guy in an SVT Contour for 1st place in STS. The margin for victory would be in the 1/10ths of a second. Then I took everything out of my interior and I added the lighweight flywheel and ACT 6 puck race clutch but retained my STS tires and now I'm beating the Contour by 1.5 seconds or more. Some of that time could have come from the stripped interior, but I think most of it came from the flywheel.

FLYWHEEL!

aMaff · Oct 30, 2006

you're beating him, but definately not in the same class anymore...

xelderx · Oct 30, 2006

With the full exhaust you are already classed in Street Prepared where flywheels are allowed. Now...here is the tricky part. If you are already having a problem with tire spin on corner exits the lighter flywheel is only going to make this worse. You might want to consider an LSD first.

With that said, if you are not dead serious about preparing a class spec'ed AutoX car and you would like to do some open trackday stuff get rollbar. That's the one thing I'm bummed about right now. I'm too concerned about overall weight in my Pro5 to run a rollbar, but that means I have to use my stock seatbelt which doesn't really work right in the Momo seats.

xelderx · Oct 30, 2006

Wait....you don't have a rear swaybar yet...get on of those!

justanotheradikt · Oct 30, 2006

xelderx said:
With the full exhaust you are already classed in Street Prepared where flywheels are allowed. Now...here is the tricky part. If you are already having a problem with tire spin on corner exits the lighter flywheel is only going to make this worse. You might want to consider an LSD first.

With that said, if you are not dead serious about preparing a class spec'ed AutoX car and you would like to do some open trackday stuff get rollbar. That's the one thing I'm bummed about right now. I'm too concerned about overall weight in my Pro5 to run a rollbar, but that means I have to use my stock seatbelt which doesn't really work right in the Momo seats.

i could put the stock midpipe back in and have a stock exhaust (wtih awr header). would i still be in street prepared?

also what sway bar might you suggest? is the progress good? (i have adj endlinks) or is the awr really that much better? oh im getting low_psi's trailing arms when he finnaly releases them.

xelderx · Oct 30, 2006

justanotheradikt said:
i could put the stock midpipe back in and have a stock exhaust (wtih awr header). would i still be in street prepared?

also what sway bar might you suggest? is the progress good? (i have adj endlinks) or is the awr really that much better? oh im getting low_psi's trailing arms when he finnaly releases them.

The header is what puts you in SP so changing the midpipe won't make a difference. I have the 21.5mm AWR bar and love it, but I haven't had any chance to compare it to other options. For AutoX it made the most difference for the least amount of money. If you get the trailing arms they will move you to Street Modified. The lateral links are legal where you are at now, but not trailing links.

khaosman · Oct 30, 2006

xelderx said:
The header is what puts you in SP so changing the midpipe won't make a difference. I have the 21.5mm AWR bar and love it, but I haven't had any chance to compare it to other options.

I'd be interested in seeing how some of the other bars and evolv's clunk fix bracket compare to the AWR bar.

I also suggest the flywheel. Get a clutch while you are at it though

Lt. Dan · Oct 30, 2006

We're still missing a key piece of info. What class are you running?

justanotheradikt · Oct 30, 2006

got a clutch...waiting to put it in.

looks like ill be running in SP.

Lt. Dan · Nov 1, 2006

If you're running in SP, don't bother with the flywheel yet... You have plenty of other things you can do that will make more of a noticeable difference....

Rogue · Nov 1, 2006

i 2nd the rear sway bar. I love my AWR. What struts are you running?

justanotheradikt · Nov 1, 2006

ksport coilovers

xelderx · Nov 1, 2006

Do the swaybar....right now!

flywheel or roll bar?

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