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  1. 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...
  2. 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...
  3. 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...
  4. 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...
  5. 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...
  6. 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.
  7. 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...
  8. 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...
  9. 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...
  10. Lubak572

    Merc dry joint on a VP motor???

    Can the Merc dry joint manifolds be run/adapted on a VP motor? Anyone done this?
  11. Lubak572

    Water in Motor??

    I think I may have water (freshwater) in my engine. Have no idea how it entered? Do they have exhaust baffles in Four Winns 2001 298 Vista twin VP 5.7 GSIPEFS. Was running fine went about 1 hour out to beach port motor died, would not restart. Ran back to marina on starboard motor. Thought it...
  12. Lubak572

    Fox Marine Engine Gateways for twin VP 5.7 GSI's issues

    Trying to hook up my motors to an Axiom MFD on a 2001 298 Vista, won,t connect. Do these motors have "common data connector"? Supposedly communication between the 2 as a Master/Slave setup. I am supposed to unplug it if there is one to.avoid data collisions. Anyone know where this is located...
  13. Lubak572

    DP-SM service manual

    Anyone have a link to a service manual, I forgot mine and internet here is spotty at the farm. I am going to pull drives, never done it before. Would like to reference book.
  14. Lubak572

    Pressure/Vacuum testing a DP-SM drive

    A couple questions on testing a drive. It is supposed to be done empty with the drive off, rotating the shaft and shifter-Correct?
  15. Lubak572

    Rust flakes

    I noticed my boat has rust flakes in manifold drains, and also when changing thermostat there was some in intake. This is my 2nd year on my boat, and I wasn't sure about maintenance done on it, so i am doing a lot of preventive maintenance on it. I have done plugs, caps, rotors, wires, fluids...
  16. Lubak572

    5.7 GSI distributor cap

    Does anyone know the tap size for a distributor cap bolt? I had 2 bolts break off the stock caps, They were a pain to remove but i did it, Now I would like to chase the threads before i put the new cap and rotor on it. What is the bolt size thread pitch. Also will put a little antiseize on...
  17. Lubak572

    Sticky links above broken.

    Is it possible to fix the sticky links above?
  18. Lubak572

    2001 Volvo Penta GSI Performance Parts (TBI & Exhaust)

    I bought my first boat Four Winns 298 Vista with twin 5.7 Gsi's, and was wondering if aftermarket performance parts are available in regards to the TBI and exhaust? I was going to pull those 17 year old injectors and send them out somewhere to be cleaned/serviced, and i thought while i had them...
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