Tell me about it. I screwed myself this year. My pension would've had me in the safe zone then my contract work plus mad money put me in the IRS bitch zone. I ran outta stuff to deduct.

Same here.

LOL, yep this is a beauty for sure and the prices are not going down on ACRs...they are going up in value. I track with a guy that owns 4 Vipers including an ACR. He will not track the ACR because he wants to keep it in meant condition.

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I driven a couple of them on the track. :driving: :yum: Torque everywhere. The last one I drove last spring had a sequential in it. :yum: :yum: It was just eye popping, wet your pants type of driving. For me, it's just one of those cars that is JUST out of reach. :shakes head: If wifey and me was still working full work. It would have been a done deal. And I'm not dipping into my retirement money. I'm still upset that I didn't get that '06 just before I bought my Z. If I did, I wouldn't been on this forum.

Copy that...first world problems and the blessing many times is not getting what we want. My life is so much richer because I made the mistake of buying a Z and now I get to call you knuckleheads brother and sister, LMAO!

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Just a couple notes

You stated 420-500 TQ. With the SC, your max TQ will be < 450
You stated $6000 for used stillen kit and air to air. Topgunz NEW FULL air to air supercharger kit is only $5650 through April. $5999 after that.
SOHO dyno numbers don’t include running an air filter. You probably don’t wanna do that.

Torque on mine was 491, but, I was running a Turbo Guard screen :stirthepot:

How much HP and what did your curve look like? 420 Tq is enough for 600 HP at 7500. Topgunz posted plot for his kit was 440 TQ.

I had 4 different power levels with my wastegate/ebc. High boost was 658whp.

Yep. So my numbers were right on. Didn’t want him thinking he’d be pushing crazy TQ for the hp he was shooting for. 550-600


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Yep, it looks like your numbers were right there. He's definitely not going to see crazy torque numbers which the motor will appreciate. :icon17:

I am gonna assume you stopped at 450 hp because of the auto trans? That kit handles some serious power, and the motor is good for about 600 whp. But $22k is steeeep.

I've got a 6MT and I know that the stock block is good for around 600whp. That price includes, the kit, an upgraded clutch assembly, replacement of the CSC, changing out the diff bushing, complete exhaust with test pipes (no cats), oil cooler and labor. I stopped at 450 because I'm not going to track my car and that number is more than sufficient for me. I've driven high horsepower cars and I'm comfortable at that level. Much beyond that and the adrenaline rush is rough on the body.... :eek::eek:

I know a lot of people have already chimmed in but let me give some information to help you.

1. Power for Single turbo and superchargers can range wildly. Your main concern is going to be TQ.

2. There are several single turbo kits on the market. there are only a handful of supercharger kits. Single turbos will have massive TQ fairly early on. the Vortech or stillen based superchargers will only see tq peak later in the RPM range. The RJM whipple will see high torque as early as 2800rpm and peak around 5500rpm and then level off around the torque you saw at 2800 rpm. A very flat torque curve.

3. stock components can handle only so much TQ load. the motor is anywhere from 500-550ftlbs (This could see as high as 700whp +/-). the Transmission maxes out at ~420-450ftlbs. PLEASE NOTE: the longevity of these components is drastically reduced at these power levels. Failure is not a matter of if but rather when...

4. Transmission upgrades. I would steer clear of level 10. This is my personal opinion after seeing a fully built trans by them pulled apart. however, here are the parts I would do:

Triple Plate Tq Converter (Only RJM has this)
Billet Flex Plate (Fast Intentions / RJM uses this one)

Next would be a truly upgraded valvebody.

Then finally machined baskets to accept more steel and carbon plates. (Only RJM does This)

If your budget is $10k I would keep saving. Your better off having $15k+ in hand when you go to do this. Trust me... Something always comes up and your build stalls because your waiting on money... Happens to a lot of guys!

Remind me: which of these were with E85 and pump, and what octane were you running? After seeing how yours was setup, I'm considering doing the same or similar (but probably meth since the nearest station with E85 is over 40 mins away)