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  1. Lubak572

    DP-SM won't shift in to FWD or Rev.

    Got both drives off and on stands. 1 didn't have reverse last year thought it was new cable I installed that was misaligned. When shifting by hands feels correct but doesn't link up input and output shafts at all. I hit something in water and bent prop when I lost all gears. Trying to...
  2. Lubak572

    Changing steering cable

    What is the best way to pull in a steering cable from helm side or engine side? 2001 four winns 298 Vista with twin vp 5.7 gsipefs .
  3. Lubak572

    5.7 GSIPEFS Timing??

    Does this TBI motor have to be timed every time distributor is pulled out? Had heads reconditioned, I marked distributor when pulled. Put motor back in on #1 TDC can't get to run more than 30 seconds. It has to be close, loosened distributor bolt and have been turning dizzy a little. What a...
  4. Lubak572

    6.2 vortec head torque setting?

    I am putting heads on what was originally a 5.7 GSIPEFS motor that i converted to a 6.2 using a new 6.2 gm marine long block. Had to do a valve job on heads I am bolting them back on, service manual is at farm. I only have selected manual supposedly head torque is all at 22 foot pounds then 55...
  5. Lubak572

    DIY Head Porting?

    I have the heads off my 6.2 gm marine long block I recently installed in my boat due to a broken rocker arm stud. Is it worth it to port/polish them myself. I have all the tools and time.
  6. Lubak572

    2001 volvo penta 5.7 GSIPEFS long blocks value??

    I have 2 long blocks. I lost a motor to water ingestion, so I replaced both with 6.2 long blocks. What are these worth? Had 330 hours one ran fine, other had water, still turns over. I may sell or rebuild. Both raw water cooled.
  7. Lubak572

    Lack of cooling water flow at idle and low rpm.

    5.7 GSIPEFS raw water cooled overheating at idle/low rpm. Brand new impeller, new long block, exhaust, etc.. changed all seals in drive and water pickup tube. Have fuel cell cooling return line off- don't get any flow until 2000 rpm. On muffs in driveway. Other motor runs fine cools at idle...
  8. Lubak572

    Size of bolts on raw water supply pump??

    Any one know the size of the bolt off hand? Dropped one in bilge. The 4 small Allen head cap screws that are removed when changing the impeller on a VP 5.7 GSIPEFS from 2001. Thanks
  9. Lubak572

    2001 VP 5.7 GSI PEFS no start

    Trying to get my new motors to fire. Upgraded my 2 5.7 GSI's to brand new GM Marine 6.2 long blocks. I used the original intakes (cleaned up) and put new starters, plugs, cap, rotors, wires, water pumps, exhaust (hardin marine seaward series), rebuilt TBI, sent injectors to witchhunter...
  10. Lubak572

    DP-SM Water nipple installation

    Putting drives back together after painting/rebuilding. Putting pivot housing back in, how far does water nipple threads stick out? Are they supposed to extend past plastic nut? Forgot to take pic. Here is what I have after putting back together.
  11. Lubak572

    Intial start up & timing 5.7gsipefs /6.2 long block s

    What is the intial startup/ timing procedure for twin 5.7gsipefs that were upgraded to new gm 6.2 long blocks? I used all old stuff off original motors intake, tbi, distributor, etc.. I had mefi bob reflash ecms for the bigger 6.2 long blocks. Can't get motors to start/run. I set...
  12. Lubak572

    Factory timing mark GM 6.2 TDC???

    Does the factory timing mark for TDC hit on both the exhaust and the compression stroke? I am firing motors and just lined up mark. I did not verify I assumed factory mark is on and hit tdc compression every time it lines up. My buddy says otherwise. So Does crank hit tdc compression on...
  13. Lubak572

    5.7 GSIPEFS Power Steering Cooler Mounting??

    Does anyone have any good pics of how the power steering cooler and hose is mounted? I am just finishing putting my new 6.2's in, and it appear the outlet/discharge hose hits the y-pipe pretty good. I upgraded to stroker motors, but the physical external dimesions are the same size. I can't...
  14. Lubak572

    Running new motors on stand?

    I want to run my new 6.2's on the engine stand before installing in my boat. How do I wire up battery. I have a 6.2 (was 5.7) GSIPEFS motor which is a TBI one. The factory engine harness is on, running water intake line to a full jug with a garden hose filling it. Fuel is from a line stuck...
  15. Lubak572

    Pressure testing dp-sm drive

    Can I pressure & vacuum test my drive thru the oil drain hole with the fill adapter hooked to my Mity vac instead of thru the oil fill hole? It isn't the same thread. I can't get either of my drive to seal, pretty sure it is my gauge. I can get to seal blocking tube with my hand. But when I...
  16. Lubak572

    Standard rotation?

    Are all twin engine boats with duo-prop drives equipped with standard rotation motors? I am buying long blocks and am now second guessing myself? I have a 2001 Four Winns 298 Vista with twin 5.7 GSI's.
  17. Lubak572

    Repowering-Upgrading Twins

    I am going to be buying 2 new long-blocks this week finally. Still trying to decide to upgrade. I have an 2001 Four Winns 298 Vista with twin Volvo Penta 5.7 GSI PEFS motors and 1.95 DP-SM duoprop drives. The motors are 280 HP TBI with MEFI 3 ECU. Just had injectors sent out to Witchhunter...
  18. Lubak572

    Re-sealing a DP-SM outdrive

    I have leak in my outdrive- there was milky oil when i drained it. I am going to reseal it. I have a service manual and I bought both the upper and lower seal kit (VP# 3850594 & 3856002) and the 3855955 spanner. I want to tear it apart and inspect everything and change all the seals. What...
  19. Lubak572

    2001 VP 5.7 GSI PEFS- new long block options??

    So I lost my port motor due to water ingestion, and I am looking at replacing with a new long block- might due both motors if I upgrade. I have the the MEFI 3 TBI motors. If possible would like to upgrade performance. These are the some of my options. I will be doing the swap myself. I may...
  20. Lubak572

    Merc dry joint on a VP motor???

    Can the Merc dry joint manifolds be run/adapted on a VP motor? Anyone done this?
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