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From the new Whipple warranty, I noticed the coverage is valid only after the first 1500 miles and/or 90 days of installation: PRELIMINARY 90 DAY AND 1500 MILE EXCLUSIONARY PERIOD - For the first 90 days and 1,500 mile, damages to the Covered Components caused by or arising out of the...

I found these Whipple 6-rib pulleys for sale: 2.75" 2.875" 3.0" 3.125" 3.25" 3.375" 3.5" 3.625" 3.75" 3.875" 4.0" 4.125" 4.25" Which size comes with the standard kit (for 10.5 psi)? What is the boost difference per pulley (e.g., how much boost for a 3.0", 3.5" or a 4.0")? What is the...

Thanks. I just asked a local installer for the best install price on your kit so I can compare to the install price I received for a different kit. I'd like to know specifically what's covered in the engine/powertrain, how much is covered, and is the 3/36K from time of SC install or from the...

Hi Beefcake, I noticed you have not posted a link to buy a vortech kit for 2015 GT on your webpage yet here: http://www.teambeefcakeracing.com/2015--s550-mustang-superchargers.html But the pictures of the vortech look good on the 2015 GT you have posted. Are you going to update your site to...

My car is begging me to add a SC to it... for the right price, warranty, and performance. Hi Whipple_SC, do you have a link to any details on your engine/powertrain warranty? If somebody buys a Whipple now, do they have the option of getting the warranty when it becomes available?

I noticed the stage 3 costs about $1200 more than the stage 2. I guess it's b/c it comes with the higher output fuel injectors, TB, & fuel pump booster. What boost pulley did you select?

Note that I've heard of the Kenne Bell SC installed on a 2015 GT. However, I could not find a 2015 Mustang GT SC listed on their website (Their SC price list was last updated on 11/07/2014): http://www.kennebell.net/KBWebsite/Pricelist_pg/layouts/pricelist.htm, so I have not listed them yet.

I added the VMP SC complete kit to the list on post #1. The VMP page (http://vmptuning.com/50l-superchargers/stage250gen2/) showed an 85 mm pulley making 8 psi at the top of the page and 9 psi at the bottom of the page. The dyno graph showed 72-lb fuel injectors used, but the kit came with...

I would like to keep the SC thread as positive and informative for SC buyers as possible as I'm using it myself to select the 'best' SC for my goal of a street car that can beat nearly all production cars < $75K on the market in acceleration for the best price and warranty without breaking any...

Is that 4.7 in track apps? It's almost always summer temps here in South Florida, so I might try the 3.73 for a little while before going to 3.15. If I notice I don't get any traction, then it's only a $180 + install adder for 3.15. The new wider wheels/tires are much more $$, so they will...

We have the same cars/color, but your car has a SC and mine does not (yet). I've been thinking about boost versus HP/TQ versus tire traction. Did you notice that your tires spin much more now in first and second gear? Do they spin much more from 2300 RPM to 6500 RPM giving no real improvement...

Do you have a dyno graph (TQ/HP/PSI/RPM) of your $8145 tuner kit on 8 PSI making 600 to 650 RWHP? Why is there such a big difference in RWHP for the same boost? What size injectors did you use on your tuner kit? If somebody did not buy the 'tuner kit' but purchased the kit that already comes...

Procharger guy passed me this HP/Torque curve of the standard procharger H.O. kit with canned tune: Note the standard boost PSI with a 4.00 pulley maxed out around 7.4 PSI.

If I wanted to run at 10.6 PSI, it looks like the P1SC is just as good as the D1SC and the 52-lb injectors would work from what previous posts said. I thought even the stock fuel pump would be ok. Does the H.O. kit need a D1SC (costs more), a voltage booster for fuel pump, and bigger than...

I need to get a SC in the next 5 months because after that, I"m going to have my first kid so I might not be spending more $$ on car stuff. I just found out in the past hour it's going to be a boy!

I found the Whipple dyno from this video. See the time around 15 seconds: [ame] I can read it more clearly now, it looks like RED = after Whipple HP & Torque, BLUE = before Whipple HP & Torque. Sorry for the confusion... Will update post.. I first thought the blue curve was torque for...

Take a look at these two dyno graphs, one for the Whipple and one for the Procharger H.O. (where the Procharger used a D1SC instead of the P1SC that comes in the H.O. kit, 100-lb fuel injectors instead of the 52-lb injectors that come in the kit, fuel pump booster, and Gibson exhaust). Both are...

Welcome Roush to the GT SC discussion! At what PSI are you making 627 flywheel HP and how much extra did your engine/powertrain warranty cost? When I contacted my local Ford dealer a few weeks ago, they said your kit was not ready for install at the dealer. Is it shipping now to Ford dealers...

Note that for MAK's 598 RWHP, it's not just the cost of the kit I am using for the total install price. Total install price = cost of kit + cost of install + cost of dyno check + cost of custom tune + tax. With no supporting mods, I'd be over $7K with the H.O. kit and custom tune. Of course...

Price versus added RWHP for a fully-installed supercharger on my GT including tax, labor, and report of final RWHP on a dyno (if I bought the SC in my state of FL and had to pay 6% tax on it): Option 1: $6788 = 540 RWHP ($42.43 per RWHP) Option 2: $7318 = 580 RWHP ($36.59 per RWHP) Option 3...