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1-16 of 16 Results
  1. Boats for Sale
    I have had this boat for 14 years and spared no exsense on it. 50hr on motor and drive. 900sci , 555ci 3.3 whipple , max machine xr with imco lower , 15" standoff box , bottom was blueprinted by so cal speed & marine. The inerior is original and like new. The gel is near perfect. The boat runs...
  2. Boats for Sale
    One of two singles made and the only one left. 32 sleekcraft heritage blown 900 (50hr on motor and drive) no time or money has been spared on this build. 555ci chevy , 3.3 whipple , duel imco sea straners , duel water pick ups , duel imco hydraulic steering from the helm back , imco lower , max...
  3. Boats for Sale
    2007 Howard 28 Sport Deck, Merc 600sci with chipped computer from Whipple, 324 hours, recent service, New valve springs last month (per Merc Racing recommendations) Extreme trailer with 6 brand new tires this summer. Boat and Trailer in Excellent condition. Located in Havasu. $99k O.B.O. Pat...
  4. Parts for Sale
    Stock Mercruiser 575sci, Low hours 200, all maintenance done 30hrs meticulously, great for repower, all mercruiser wiring plug and play, asking $10k obo. 714-580-2248 located in Orange County California. Comes with everything you see in pics.
  5. Propellers
    Need some help propping a 2005 howard 28 bullet with stock mercury 575sci for speed boat came with a 30" bravo 1 47-4800rpm and 78.4 on the gps tel-tal.:|err it seems to me it needs to free up another 4-500 rpm? update:boat turned 5000 and 80 on speedo with same 30" B1, boat was running...
  6. GN7 On the Dyno
    Mercury Racing Engine Upgrade Services - YouTube CALL 877-BPOWER-4-U
  7. Parts for Sale
    a complete blower setup with intercooler from a 575sci. apx 20hrs since dmpe rebuild. makes 8.5lbs of boost. never seen saltwater. going bigger so this has to go. $5000 for everything you need to bolt on a big block chevy. 303-204-8593
  8. Boats for Sale
    Sold, thank for the interest
  9. Parts for Sale
    Two pairs of cylinder heads for sale. They just came from the machine shop and have all new parts as follows. Manley Extreme duty intake valves (11587-8) 1.880" Manley Extreme duty exhaust valves (11562-8) 2.250" Comp Cams springs (929-16) Comp Cams retainers (741-16) Comp Cams super locks...
  10. PB Open Water
    Wierdest thing, I believe it may be a sensor or something minor. Just wanted to see what you guys think. So Heading back up to the channel from havasu springs and out of the blue the engine loses power and shut down. My timing some how became either retarded or advanced and wouldn't idle...
  11. Alexi Sahagian
    I'm buying a 2011 Nortech 4300 with Mercury 700's & # 6 drives. The boat runs about 93 MPH in fresh water. I have heard conflicting comments about adding the whipple phase 1 upgrade. It is my understanding that the ECU changes the rev limits from 5400 RPM's to 6000 RPM's. No changes in blower...
  12. Boats for Sale
    Amazing boat, only 163 hours excellent overall condition, runs perfect! 2 things need to be done when you buy the boat, the trailer needs a repair estimated apprx $600-800 and the stereo needs 2 additional speakers and to be hooked up, I would suggest a new head unit as well. Estimated at...
  13. PB Open Water
    when i get my dream boat i would love to be able to afford one of these set ups either single or twins (money money) :)sphss what, other than the 10 horse power is the better setup and why?
  14. PB Open Water
    I'm looking at a boat with this engine package, what is your take on it? Whats gets me thinking about this motor is how underpowered it is for having a blower I don't know. What kind of life span is this motor good for? any recommended maintence issues I should perform? What are some good mods...
  15. PB Open Water
    anybody know what this boat is running (mph)? just saw it on the web, thing looks fast... I know this boat with a 525 runs mid 90's.. i figure with the 700 and an aggressive x and cleaver bolted on the back, this thing should freakin move.....
  16. PB Open Water
    Heard whipple superchargers is recalibrating the mercury 700sci and getting almost another 100hp out of the motors. Has anybody heard or done this mod?????
1-16 of 16 Results