Ron@Vengeance

iTrader: (51)

Well, we didnt hit our target HP, but made excellent power none the less. Exhaust is REALLY holding us back quite a bit. The TTi kit uses the factory 2.5" H pipe off the C6 and is connected to a 2.5" B&B Catback.You can tell how the graph falls off up top we are fighting backpressure issues. Not sure how much we could get out of it if we dropped the exhaust, but its pointless as thats not how the customer is going to drive the car so it is what it is.

The #s below are on C12/no meth/16.5lbs of boost. Remember this is a stalled A6 with FULL exhaust




For complete details on the build check out the link below:

https://ls1tech.com/forums/sponsor-v...ce-racing.html

HUNTER02SS

iTrader: (24)

The exhaust housing on the turbo's is to small. They said they were good for 1000hp and that is pretty close. You would need a T4 and .96a/r to make over 1000RWHP I would think. No way to stuff a larger exhaust housing in there??? Non the less, the customer should be happy.800rwhp is nothing to be upset about. Nice build. If you installed cutout's, you could gain another 100rwhp I bet?

52172

iTrader: (2)

I'm sure its fast a **** on the street. What kind of psi is he gonna run with pump? What are the numbers on pump? Great numbers on race gas. Congrats Ron!

Ron@Vengeance

iTrader: (51)

I agree Chris. We were thinking 60 to 80 possibly with DMH cutouts.. No more room for turbo with the design of this kit. We did pretty much meet our goal of 1000HP, but more is always better

14psi on the street is 7597/737 Its definately an animal with the stalled A6

VINCE

iTrader: (1)

I dont think the twin 62mm's are running out of steam. I have the smaller turbo's and I have made over 900rwhp and still think I could squeak 1000rwhp if I pushed them. My tq was over 1000rwtq though so I know I was running into back pressure issues, but I think the 62mm's should be an easy 1050rwhp on a 6 speed and those same turbo's have made over 900rwhp on a auto car..

http://forums.corvetteforum.com/c5-f...-1st-pull.html

HUNTER02SS

iTrader: (24)

That much power with a 2.5in. exhaust housing?

Ron@Vengeance

iTrader: (51)

Vince you can also lock a 4L60E safely. Not something we are trying to do with one of the first built A6s in the country ... Also I dont think the car in the link was running 2.5" H pipe and catback.... If you have an idea on how to get more than 16.5lbs of boost out of this combo Im all ears.

Classic

iTrader: (3)

Looks good Ron. I'll have to stop by and check out the new place next time I'm doing in ATL.

Beaflag VonRathburg

iTrader: (176)

I was wondering if this was a reliable DD type setup why you didn't go larger on the displacement? Obviously it's not going to be set on kill where you'll need maximum structural integrity. Why only a 4.005 bore vesus something like a 4.125. I understand you would run into back pressure issues earlier on, but that's an easy exhaust swap away.

cablebandit

iTrader: (37)

Ron the exhaust is holding it down big time. Chris is prolly right about the 100rwhp which I know SEEMS extreme but you can never have too much exhaust on a turbo car. My baby incons would gain 50rwhp thru cutouts installed on the 2" y-pipe and they were done at 750rwhp so yalls bigger combo would gain lots more. Now I understand that you have it like the customer wants and it is what it is but if he ever wants more power......
Bigger exhaust would make it spool faster as well bringing on more torque earlier....making it even harder to hook but we all love that problem.
Anyway, still really great numbers thru coffee stirrer sized exhaust.....I bet he is loving that beast!!!!!!!!!!!!

VINCE

iTrader: (1)

I have sent PM's to people with similar setups and hopefully they will chime in. If you go on CF shoot Road Rebel a PM and if he has time he will help. I know for my setup my current 2.5 inch dual exhaust with X pipe has no problem going up and boost and the power does not seem to be falling off.

mdhmi

iTrader: (1)

No need. The TTi kit is very reliable. 800rwhp through in auto is WAY too much power for the street IMO.

eb02z06

iTrader: (18)

Hi Ron, did you log boost in the pull?

FSTPOON

Mentioned this to Ron when we picked up the car yesterday and he is looking into it!

Beaflag VonRathburg

iTrader: (176)

Then, why spend the money on an LSx block and six bolt heads? It's overkill for what this is built for.

Ron@Vengeance

iTrader: (51)

Ever heard of doing it right the first time .... Build it once, build it right.

Tainted

iTrader: (9)

Ron,

What stall is the converter and what brand? was it locked or unlocked on the dyno?

Also with a better flowing exhaust, what would you predict the numbers to be?



Im intrested in building a TT C5 within the next year or so and the APS and TTi kit are the 2 I've been looking at most.

Ron@Vengeance

iTrader: (51)

Yank 3000 converter unlocked thru a built A6

I would expect to see anywhere from 60 to 100rwhp with an uncapped exhaust.

We are a dealer for both APS and TTi. Give us a call if we can help you out.

Tainted

iTrader: (9)

It wont be till late this year or very early next year before we can even start it. Our house burnt in sept and we arent even back in yet and lots of finances we gotta tie up before we can think about a project car.

However a quick question on the TTi kit. On a C5 do you have to remove the ac or relocate anything?

VINCE

iTrader: (1)

So are you thinking on the next build running a 2.5 to 3 inch adapter so you can run 3 inch all the way to the back or just adding a cutout b4 the muffler?

On my build I have not had problems making power... Only keeping the supporting hardware in tack.