[TheLimitedProject]

Should be fine. I've read a bunch of posts on guys in -20*F weather turning over their built motors no problem - a lot of ugly piston slap, and ugly noises, but they were fine.

That would suck like nothing else though. "How'd you blow your motor?" "Cold start in -40."

[T3h_Clap]

-40!? WTF.

you actually try to go somewhere when it's that cold?

most people down here don't leave their house if it's below 50.

[TheLimitedProject]

Another update: 1/29/07

1 - APS R1 (3" TBE) is coming off and the APS R5 (angled 3.5" TBE) is going on at time of install. Less backpressure.

2 - STI heads/cams are coming off, Cosworth Big Valve Cylinder heads and S2 cams are going on.

3 - Based on my emails with one of APS' engineers, I'm going to stick with the so-called restrictive 0.82A/R turbine housing. I'll run a lower boost level (anything up to 24PSI keeps the turbine back pressure happy at ~4 PSI greater than boost pressure, whereas anything beyond 24PSI sees the back pressure start to skyrocket).
The 1.06A/R housing would likely ruin the street driveability of my car due to lag, lack of low end response, and broken axles and driveshafts.

4 - I bought a Koyo Race Rad off eBay for way cheaper than anything I've seen posted here. Should see it in a week.

5 - I installed the Innovate LC-1 wideband w/ the Autometer dual gauge cluster bezel (did I post this already? seems like I have). The other pod will house the Aquamist DDS3 gauge.

6 - It's likely I'll be using an Autronic SM4 standalone ECU with the wiring and cam sensor method in prototype phase.

7 - April is looking like a realistic tune/install time.

edit: Forgot to add some stuff lol.

[TheLimitedProject]

Originally Posted by T3h_Clap

-40!? WTF.

you actually try to go somewhere when it's that cold?

most people down here don't leave their house if it's below 50.

-40*C, not F

Check this out...


How sad is that ****?

[T3h_Clap]

Originally Posted by TheLimitedProject

-40*C, not F


How sad is that ****?

who cares if it's C or F, if it's Negative I don't want to be involved.

EDIT: Unless I has a snowboard

[jutes85]

Originally Posted by TheLimitedProject

1 - APS R1 (3" TBE) is coming off and the APS R5 (angled 3.5" TBE) is going on at time of install. Less backpressure.

Call dibs!!!

[TheLimitedProject]

Originally Posted by T3h_Clap

EDIT: Unless I has a snowboard

Trust me, if there's a "-" in front of the number, it doesn't matter what you have, you don't want any part of it. No one likes black fingers, toes, and nose tips.

[TheLimitedProject]

Originally Posted by jutes85

Call dibs!!!

Might just do a trade. We'll see.

[MKTURBO]

matt I'm offically jealous of your R5!!!!!!

[TheLimitedProject]

Exhaust System

Back Pressure (psi) at Nominated Engine Horsepower Level

Noise as tested
to J1169

225hp

325hp

425hp

525hp

625hp

725hp

APSWRX-HOE/R1
without Cat

0.5

1.0

1.5

2.5

3.5

5.0

95 dB

APSWRX-HOE/R5
without Cat

-

-

-

0.5

0.75

1.0

100 dB

Might wake the neighbours, 6 floors up from an underground parkade.

[MKTURBO]

the funny thing is that in chicago, they couldn't give a **** about pulling you over for loud exhaust, they'll just pull you over for tinted windows.....

[MKTURBO]

i might actually do the same thing as you.......its not my top priority though

[TheLimitedProject]

^I'm going to the R5 for functional purposes though, not for a bling angled cannister. The .82A/R turbine will cause a decent amount of backpressure, so going with practically a straight 3.5" exhaust should help reduce that a fair bit.

The R1 is already loud enough... this is going to scream now, especially with the EWG dump lol.

[MKTURBO]

yeah i just love the sound of the r1 and i bet the r5 is even better

[modaddict]

The backpressure the .82 housing that you are concerned with is pre-turbine housing. Not post turbine housing. While this 3.5" exhaust may help a little, I honestly believe it's less than what they say.

anything above 2psi is what is considered restrictive. We start replacing catalytic convertors on stock systems above 2psi and WOT. FWIW.