I put this into Beersmith and upped the hops just a bit:
BeerSmith Recipe Printout -
www.beersmith.com
Recipe: Ruination Partial Mash
Brewer: Greg Mehojah
Asst Brewer:
Style: Imperial IPA
TYPE: Partial Mash
Taste: (35.0)
Recipe Specifications
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Batch Size: 5.00 gal
Boil Size: 3.75 gal
Estimated OG: 1.078 SG
Estimated Color: 12.6 SRM
Estimated IBU: 82.2 IBU
Brewhouse Efficiency: 60.00 %
Boil Time: 60 Minutes
Ingredients:
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Amount Item Type % or IBU
5.00 lb Light Dry Extract (8.0 SRM) Dry Extract 38.46 %
5.00 lb Pale Malt (2 Row) US (2.0 SRM) Grain 38.46 %
1.00 lb Cara-Pils/Dextrine (2.0 SRM) Grain 7.69 %
1.00 lb Caramel/Crystal Malt - 40L (40.0 SRM) Grain 7.69 %
1.00 lb Munich Malt - 20L (20.0 SRM) Grain 7.69 %
1.50 oz Magnum [14.00 %] (60 min) Hops 42.6 IBU
1.00 oz Centennial [10.00 %] (Dry Hop 3 days) Hops -
1.50 oz Centennial [10.00 %] (30 min) Hops 23.4 IBU
1.00 oz Centennial [10.00 %] (15 min) Hops 10.1 IBU
1.50 oz Centennial [10.00 %] (5 min) Hops 6.1 IBU