Respectfully, I've never looked at the W7 or what may have been the last iteration of a w7 before the w8 but, I'd think 800 is possible! Only person I know of that had a good running W7 was Laverne with the Duster but, I'm not privy to many SBM combos. One thing I can share here is even the W8 NEVER made 850hp in a NASCAR application. It wasn't until the r5p7 when teams were able to get 850hp which is likely because the valvetrain was better in design. Conversely, most of us know of one or more W8 builds that make 1000+ today but they aren't NASCAR friendly. Based on your more recent posts it sounds like you're doing a w5 now?...or is this another 'side project' ?
