Paxton Supercharged 2006 Coupe Build Thread

ExplorerThis · Apr 12, 2012

...as far as street duty it lacks the fun factor on the highway with stock kit, stock motor. Seen several roll races where the viper had a hard time holding its own.

I guess that's why I use the term lame so loosely.

Your car has to feel suffocating on the highway now. Sick setup for sure now.
My buddy had a ugr GTS with the built motor Paxton setup. Thing made me cry on the highway.

pumpgas · Apr 12, 2012

Thanks Tony!

Nine Ball · Apr 12, 2012

I hear you Explorer, my '09 Z06 with a little Magnacharger and 616 rwhp could easily put 2 car lengths on my Viper with 650 rwhp, when we ran them from a roll. That sorta sucked

The main problem with the stock engine and stock Paxton kit is that you only get a slightly impressive peak hp figure. The blower itself isn't very happy at low rpm and low boost, it isn't even in a good efficiency range when spun that slowly. My current setup is still not pushing the blower to it's sweet spot (yet). But, look at the area under the comparison dyno curves now, it is doing much better than before.

FastMatt · Apr 12, 2012

Nine Ball said:
I hear you Explorer, my '09 Z06 with a little Magnacharger and 616 rwhp could easily put 2 car lengths on my Viper with 650 rwhp, when we ran them from a roll. That sorta sucked

The main problem with the stock engine and stock Paxton kit is that you only get a slightly impressive peak hp figure. The blower itself isn't very happy at low rpm and low boost, it isn't even in a good efficiency range when spun that slowly. My current setup is still not pushing the blower to it's sweet spot (yet). But, look at the area under the comparison dyno curves now, it is doing much better than before.

I too am running a 3" pulley on a paxton car (gen 2), let us know were you get it from and how the overdrive crank pulley works out. I'm really wanting to do this as a next step too.

HANKFAN · Apr 12, 2012

Nine Ball said:
I hear you Explorer, my '09 Z06 with a little Magnacharger and 616 rwhp could easily put 2 car lengths on my Viper with 650 rwhp, when we ran them from a roll. That sorta sucked

The main problem with the stock engine and stock Paxton kit is that you only get a slightly impressive peak hp figure. The blower itself isn't very happy at low rpm and low boost, it isn't even in a good efficiency range when spun that slowly. My current setup is still not pushing the blower to it's sweet spot (yet). But, look at the area under the comparison dyno curves now, it is doing much better than before.

Where you running the factory 3.07 gear in your Viper?

Nine Ball · Apr 12, 2012

Yes, stock 3.07 rear gear, stock differential, stock axles.

HANKFAN · Apr 13, 2012

Nine Ball said:
Yes, stock 3.07 rear gear, stock differential, stock axles.

A 3.33 or 3.55 gear would have made a night and day difference in your stock motor/paxton setup. The factory 3.07 gear just is too high of a gear for that setup and doesn't keep the rpm's up where the Paxton really shines.

Nine Ball · Apr 13, 2012

Axle gearing doesn't mean as much when both cars take off from 50-60 mph rolls. In that Z06, I've ran other Vipers making 625-650 rwhp with higher gear ratios - and the Z06 also put car lengths on those cars too. The main reason is that the TVS2300 blower on the Z06 made full boost at 2K rpm, revved out to 7K rpm, and the car weighed 200 lbs less. Anyways, back on topic. This current setup would smoke my old Z06.

Nine Ball · Apr 13, 2012

Ordered some more parts today, some may find these part numbers helpful.

ATI Supercharger damper - Part # 917933E
ATI Paxton crank pulley - Part # 916266 - bolts onto 917933E above, has 7-rib accessory drive (OEM diameter) and 8-rib Paxton drive 7.287" OD (7% overdrive for blower)
ARP balancer/crank bolt - Part # ARP-2402501
ARP 5/16-18 1.000" chromoly 12-point bolts - 6ea needed - Part # ARP-641-1000 - to bolt crank pulley onto damper.

All items found at www.summitracing.com except for the Paxton pulley - that was ordered direct from ATI. Call them at 410-298-4343, ask for damper tech.

FastMatt · Apr 13, 2012

Nine Ball said:
Ordered some more parts today, some may find these part numbers helpful.

ATI Supercharger damper - Part # 917933E
ATI Paxton crank pulley - Part # 916266 - bolts onto 917933E above, has 7-rib accessory drive (OEM diameter) and 8-rib Paxton drive 7.287" OD (7% overdrive for blower)
ARP balancer/crank bolt - Part # ARP-2402501
ARP 5/16-18 1.000" chromoly 12-point bolts - 6ea needed - Part # ARP-641-1000 - to bolt crank pulley onto damper.

All items found at www.summitracing.com except for the Paxton pulley - that was ordered direct from ATI. Call them at 410-298-4343, ask for damper tech.

Cool, make sure to let us know how much boost/power you get from that crank pulley! I'm on the edge of my seat. I'm at 909 rwhp now with the 3" pulley on my striker heads/cam gen 2 I want to get that "1000" rwhp

FastMatt · Apr 25, 2012

any updates on this?

T JUNKIE · May 21, 2012

Thanks for the write up. I wish I had seen it before I started my Paxton install. I never did the Paxton fuel delivery and Split Second because I didn't like the looks and pressure of that system.

I am running a set of Nitto Drag Radials trying to get some traction. Can You tell me what your doing to hook this Monster up?

Nine Ball · May 21, 2012

For traction, the rear wheels are 19x13 Forgeline with 345 wide Nitto NT05R drag radials. Zero traction issues in 2nd gear and up.

As for updates, I've ordered the larger diameter crank pulley from ATI (7% overdriven) but have not had time to install it. Just been driving/enjoying the car as-is, got sort of burned out wrenching on it for the last few months. The car will need a re-tune once the crank pulley is installed.

I also spoke with an engineer/sales person at Paxton, asked them if the Novi 2500 was a good upgrade for me. He was honest, and said it wasn't worth it. With the new crank pulley, I'll be spinning the Novi 2000 at approx 52,000 rpm - which is the sweet spot for that blower. The Novi 2500 unit likes 60,000+ rpm, which we cannot reach without a much larger crank pulley. He said I'd probably pick up 15-20 peak hp, but lose a lot of bottom end throttle response and torque in the midrange. Car could actually run slower.

Boooooo!

My next upgrade will probably be a 150 shot wet kit.

Matt162 · May 22, 2012

This is an awesome Build! Im almost finished with my paxton build, went a little different on the fuel system with an external pump and all, but i love the results your put out! Throw up some more videos of that thing rippin up the road!

ssjcreeper · May 22, 2012

I've been eyeing those NT05R as a much needed replacement for my factory runcraps. Tony, any other thoughts or comments on those new Nittos so far?

Doug

Nine Ball said:
For traction, the rear wheels are 19x13 Forgeline with 345 wide Nitto NT05R drag radials. Zero traction issues in 2nd gear and up.

As for updates, I've ordered the larger diameter crank pulley from ATI (7% overdriven) but have not had time to install it. Just been driving/enjoying the car as-is, got sort of burned out wrenching on it for the last few months. The car will need a re-tune once the crank pulley is installed.

I also spoke with an engineer/sales person at Paxton, asked them if the Novi 2500 was a good upgrade for me. He was honest, and said it wasn't worth it. With the new crank pulley, I'll be spinning the Novi 2000 at approx 52,000 rpm - which is the sweet spot for that blower. The Novi 2500 unit likes 60,000+ rpm, which we cannot reach without a much larger crank pulley. He said I'd probably pick up 15-20 peak hp, but lose a lot of bottom end throttle response and torque in the midrange. Car could actually run slower.

Boooooo!

My next upgrade will probably be a 150 shot wet kit.

RCC · May 23, 2012

Car came out great Tony. Some parts of the build look vaguely familiar.....lol

Nine Ball · May 26, 2012

ssjcreeper said:
I've been eyeing those NT05R as a much needed replacement for my factory runcraps. Tony, any other thoughts or comments on those new Nittos so far?

Doug

I absolutely love these NT05-R drag radials. They hook instantly in 2nd gear, and also ride nicely too. Don't ever drive them in wet conditions though, they have zero traction when wet.

challenger&viper · May 27, 2012

Do you have a dyno sheet for ur z06 with the Maggie s/c??

Nine Ball · Jun 11, 2012

challenger&viper said:
Do you have a dyno sheet for ur z06 with the Maggie s/c??