Whipple or Roush

[Kyle@ROUSH]

You had asked about the intake valley, the page from the instructions showing the valley

K brace does have to go but I would rather keep the rear inlet as opposed to introducing a jack shaft and a lot more fast moving parts with the potential to fail.

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[rio16]

I'm having a custom tune. I'm not worried about warranty. If something breaks I will replace it with better parts.

Did you get the Warranty through Whipple as well?? and I see that you did not upgrade the TB..Did you get the Fans as well? Thanks

We were able to get Evo his Whipple. I honestly like both. Whipple has a lot more room to grow but either will honestly make you happy and get you to power levels beyond what your engine can handle.

Whats up Jay,

Can you DM me a price for the Whipple with and without the TB and FAN. thanks so much...

Second do you sell Pro Charger as well or any Centris thanks

 

[evo8904]

Who is tuning it?

Sam at Coastal dyno.

 

[evo8904]

Honestly not a big deal. I could give 2 shits about the k-brace. Mine doesn't have one.

Evo8904 Who is custom tuning the Whipple?? Did you go with your custom meth kit??

Using the stock TB on the big blower will kill power. You will have a ton of tuning to re-do when you upgrade to the bigger TB.

Hey, I am going to put the meth kit on later. I got impatient and want to see want my car could do without it. I'll post numbers soon and we'll see if the TB is worth the price compared to other setups similar to mine.

 

[evo8904]

Did you get the Warranty through Whipple as well?? and I see that you did not upgrade the TB..Did you get the Fans as well? Thanks



Whats up Jay,

Can you DM me a price for the Whipple with and without the TB and FAN. thanks so much...

Second do you sell Pro Charger as well or any Centris thanks

My warrany is my bank account. I don't mind paying to play. I have been down the modding road many times. I only had my new mustang for a week prior to putting it into the shop for the install. However, if I didn't go with the Whipple, I would have gone with Beef's vortech special one released.

 

[jayman33]

Did you get the Warranty through Whipple as well?? and I see that you did not upgrade the TB..Did you get the Fans as well? Thanks



Whats up Jay,

Can you DM me a price for the Whipple with and without the TB and FAN. thanks so much...

Second do you sell Pro Charger as well or any Centris thanks

We sure can Rio!

We currently do offer Procharger but we plan on talking to them as soon as we move into our new facility this month

We do offer the Vortech and Paxton kits.

 

[Apollo_1092]

Sam at Coastal dyno.

May I ask why you are getting a custom tune vs running the one Whipple will give you? Just curious. I don't plan on doing anything else to the car besides a catback and have had some bad experiences with custom tuning.

 

[evo8904]

May I ask why you are getting a custom tune vs running the one Whipple will give you? Just curious. I don't plan on doing anything else to the car besides a catback and have had some bad experiences with custom tuning.

The tune that Whipple, Roush or ProCharger give you with the kits are canned tunes. They are conservative and tuned for usually 91 oct. A custom tune is specific for your car and tuned for the gas that you run; 93 for me.

 

[Apollo_1092]

The tune that Whipple, Roush or ProCharger give you with the kits are canned tunes. They are conservative and tuned for usually 91 oct. A custom tune is specific for your car and tuned for the gas that you run; 93 for me.

Gottcha. I was talking with Whipple and Roush and they were both saying the tunes they give you are equal to the "canned" style of the OEM. Only changed for their specific mods

 

[evo8904]

Gottcha. I was talking with Whipple and Roush and they were both saying the tunes they give you are equal to the "canned" style of the OEM. Only changed for their specific mods

Yeah, their tunes are very safe and conservative. I knkw what you mean though in regards to a bad custom tune. I watch a tuner screw up the A/F ratio on the dyno inthe past. The guy melted one of my pistons.

 

[Apollo_1092]

Yeah, their tunes are very safe and conservative. I knkw what you mean though in regards to a bad custom tune. I watch a tuner screw up the A/F ratio on the dyno inthe past. The guy melted one of my pistons.

Oh wow that's not good. And Awesome! Thanks for the help!!

 

[Whipple SC]

You had asked about the intake valley, the page from the instructions showing the valley

K brace does have to go but I would rather keep the rear inlet as opposed to introducing a jack shaft and a lot more fast moving parts with the potential to fail.

LOL, more parts to fail? 2 helical gears, 1 seal and a H900 stainless steel tapered shaft that increases VE nearly 10% and allows the use of the factory K-Brace without hacking it up, bigger intercooler core, more plenum volume, bigger inlet, bigger MAF, bigger compressor, center discharge, less inlet turns and restrictions..... By having a jackshaft, the SC pulley is lowered .75" from centerline, the inlet then contours down along hood line allowing the supercharger to be further back where the hood has more room, gaining another 1.5" in height. What did we do with all this room? Give it more good room? Nope, we went bigger on the inter cooler, manifold, runners.....All in all, the front feed allows significant advantages.

And technically the shaft gets canceled out if the kit had a drive snout (as does bearings, seal and snap ring), which is required for our rear feed options. So really you're only talking about 2 precision helical cut gears which never go bad and one seal.... But excellent try :frusty:

 

[Barrel]

 

[beefcake]

I think both companies make a quality kit and both have their place, just depends on your goals and needs and wants

 

[Whipple SC]

Since it was questioned, here's some direct comparison's. Note that the Whipple supplied LTR (heat exchanger) features 150% more volume as well as 16FPI vs 14FPI offering significant cooling capacity.

The IC core features over 33% more volume with 14 water passages vs 11 for increased cooling capacity. As shown in the image, you can see the shear size comparison.

What does all this mean? Not all boost is created equal. By increasing the capacity on the cooling system, the Whipple system will yield cooler IAT2 temps, net increased power on pump gas and race gas while doing it easier (easier on parts, further from detonation, further from catastrophic EGT's). While one maybe be able to push the boundaries on a quick chassis dyno run, in the real world, temps have to be maintained whether your doing a 195mph run (Hennessey), daily driving or running up and down the track.

As for a front feed unit (free of restrictions like shafts in the inlet) vs rear feeds are more efficient in everyway. While a claim that a jackshaft takes more power, this is only slightly true, as it takes 1.6HP to operate at 18,000RPM on the 2.9L compressor jackshaft version over a standard rear feed. But, because one cannot typically pull air directly from the back (think Ford GT), the air must make roughly a 160deg turn. Because of this, as well as firewall clearance and K-brace clearance, a rear feed loses some of its chance for laminar flow as the radius is restricted due to compressor placement. Furthermore, because the suction phase of the supercharger is dependent on the proper volume of air any turbulence will result in lower volumetric efficiency. Having nearly a straight path vs multiple angle changes and a 160deg (approx.) turn causes more inlet restrictions. Because a rear inlet needs a gradual turn to reduce turbulence, the driven rotor (when fed from driver side) will typically have a harder time maintaining proper volume fill as its on the shortest side of the inlet and the smallest radius. While it takes 1.6hp more (1.1 @14,000) at 18k, VE is 9.3% higher which allows for lower supercharger speeds to net the targeted airflow. The lower speeds lowers the parasitic loses significantly, thus in reality it takes less power to move the same amount of air.

One must also factor in the round to oval shape, as oval has been proven to flow as much as 50% less than round at the equal square area. This is the reason we went away from the oval and came up with the elliptical throttle body and inlet (SVTP's Steve Turner called it the Roval) as it significantly outflows an oval shape. We used a 123mm round MAF housing (no need to go bigger, already included) with a bell mouth on the inlet. We also used a 8" long air filter vs. the 7". We also have countless hours on the airflow bench that shows the S&B "Power Stack" outflows the traditional type of filter allowing the compressor to breathe easier.

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