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  1. GN7 On the Dyno
    565 bbc h.p guess? Dyno numbers finally!! Building a 565 bbc that should hit the dyno in a couple of weeks. 10.2 compression, bbxtra 3 heads cnc ported by rfd. Edelbrock tunnel ram with a pair of 1050 dominators. Custom solid roller from Straub around .780 lift. Hoping to make 900. What do you...
  2. GN7 On the Dyno
    I'm sure everyone is going to pick apart the build, but I am about a week from hitting the dyno with the new creation so lets hear from anyone, how much horsepower? It's a 555 inch big block chevy, Dart big M, 4.560 bore, 4.250 stroke, 13.2 to 1 brodix bb2 xtra's ported by wes king dart single...
  3. GN7 On the Dyno
    Here's what I'm doing , old stock bore 454 ,9.25 compression with 8/71 , 2-1050 Doms , turned my AA to 6k with about 8-10# boost Heads are first casting ProTopline Aluminium 320cc that flowed 392 cfm with stock valves , the heads now wear Manley Severe Duty ProFlo w-11/32" undercut stems so...
  4. V-Drives
    So we're cruising our Tuesday night gig up at the local lake..we go up to one end where nobody goes and we see this dude in the no-wake zone...Wow..a v-drive. Nobody has seen this boat..he's owned it for 14 years but has had big issues with motors...and finally bought an old worn out RV and...
  5. GN7 On the Dyno
    Any guesses? Going on the dyno Tuesday. 532 ci, Dart Big M, 4.60 Mahle pistons x 4.0 Scat crank, 10.6:1, 6.535 H beam rods. AFR 305's ported to 325cc, 2.325 valve, 400cfm @ .700" Ported Super Vic intake with a QF two circuit 1050, no spacer. 55mm custom Straub hyd. roller, .750+, 260's @ .05...
  6. V-Drives
    Been a little slow in here. Making a couple of these one of a kind in/out boxes, what type of boat will it be going into? Sorry about the crappy phone pics, couldn't find my camera.
  7. GN7 On the Dyno
    A buddy of mine is putting this package together. He already has the long blocks. 522CI Lunati double cut 4 inch stroke crank Oliver rods 4.560 bore JE -28cc dish pistons 7.75 Static 242/248 .630ish lift 112LSA hyd roller cam Edelbrock marine 454R 315cc heads Littlefield 10-71 Whipple moac...
  8. PB Open Water
    To took my southwind out to day for the first time. I was very pleased with the performance, GPS was bouncing 66-68mph. Any one care to make guess at how much HP its putting out and what impeller is in it? 454 with 427 square port heads 10.5-1 compr. 550 lift cam torker intake 750 holley. I...
  9. Delta Lunch Bunch ( dlb )
    Gets a free drink (of their choice) on Hookyday!
  10. GN7 On the Dyno
    I'm not going to Dyno this anytime soon and was wondering if anyone here has a similar build or the experience to give me their opinion. BBC 468 4 Bolt Main Forged Crank GM heavy Duty 7/16 Rods Clevite Main & Rod Bearings. MS829H – CB743HN Hamburgers 10 qt Oil Pan with Mellings HV Pump JE Flat...
  11. V-Drives
    :D
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