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  1. C

    timing question

    I am ready to set timing on my rebuilt 454 tbi reverse rotation motor. What is the best way to do this being its a reverse rotation motor? I understand I have to put the ecm in base timing mode, just not sure of the correct way to read the tab.
  2. C

    horrible mercruiser manifolds

    Can I use crusader manifolds instead of mercruiser to avoid leaking into cylinders and wrecking my motors?
  3. C

    wont go over 2000 rpm

    I have a 454tbi mefi 1 motor that when I reach 2000 rpm it backfires out of the throttle body and bogs down to 1000 rpm. After I pull back the throttle I can run the engine at 1900 rpm all day with no problem, just not beyond that. I have changed the ecm, coil, checked base timing, plugs and...
  4. C

    cuts out at 2000 rpm

    I have a 454 tbi with a mefi 1 system. When I accelerate to 2000 rpm the motor cuts out and drops to 1000 rpm and pops through the throttle body. Once it drops to 1000 rpm I can then accelerate again but cannot pass the 2000 rpm threshold. The motor runs great at 1900 rpm just not any higher. I...
  5. C

    no compression

    My 454 has lost compression in #3 and#8 cylinders. What should be my first step and how might this have happened?
  6. C

    won't start

    I have 454 tbi engines in my 32' luhrs that are 2007 models. when i crank the key the motor burps a little and goes quiet and will not kick over. when i look into the throttle body during start up the fuel injectors are dumping fuel in the throttle body and flooding the engine. i don't know...
  7. C

    new to marine power

    Hey guys I hope to be picking up my new boat Saturday and have a few questions? It's a 32' luhrs with 454 marine power tbi. Are they similar to crusader and how much antifreeze should I expect to use for winterization? My other boat sports 270 hp crusaders and was wondering if they are similar.
  8. C

    mufflers?

    can running motors with no mufflers cause a loss of power because of lack of back pressure?
  9. C

    270 hp missing?

    i took the boat out today and both engines purred on the way out of the marina until i throttled them up when the port engine started to sputter and pop out of the carb and the starboard motor ran really rough. i was able to make it back to the slip and both engines were running really rough...
  10. C

    distributor problem

    i think i have a problem with my port side distributor and to verify that problem i wanted to swap it with the other engine which rotates the oposite direction. are the distributors the same on a regular rotation and counter rotation motor the same?
  11. C

    Burning up coils?

    I have 270 crusaders and one day the one didn't start so I put a new pertronix igniter and a stock coil in it. Took it out for a run the other day and once I got the rpm's up she sputtered and died and would not start. The salesman at the marina told me I need a high power flame thrower coil to...
  12. C

    bad trans cooler

    i have a bad trans cooler on my 270 crusader and now my trans fluid is milky and coming out of the exhaust. how would i go about flushing the bad fluid from the transmission and the lines? i had this problem on the other engine and just kept putting new fluid in and then running it and then...
  13. C

    how do you change the cutlass bearing?

    i never changed one before and i have to do it over the winter, also does the shaft have to be removed to do this?
  14. C

    frozen steering cable

    is there any tricks to unstick a frozen steering cable?
  15. C

    milky trans fluid

    hey guys i just fired up my port side new engine with a used v drive and ran it for about 5 minutes, but when i turned it off and checked the trans fluid it was milky. could it be the cooler or something else and how do you drain the fluid in a v drive? thanks.
  16. C

    finally got it running

    well everything seems to be fine but i have a few loose ends i need help with. first i cannot seem to figure where to connect the wire that controls the buzzer or where to hook up the two wires that are coming off of the v-drive from what looks like a pressure sensor. my other question is that...
  17. C

    Old gas

    i bought a boat that sat for a i bought a boat that sat for about 7 years and the fuel in the tank is at least that old.i have heard different opinions from people like add octane booster and stabil to refresh it or remove it and start with fresh gas and have the tank cleaned. i have replaced...
  18. C

    Cooling system question

    i have repowered my 31' si i have repowered my 31' silverton but i have forgotten how the cooling hoses are run. Is there anywhere i could find a diagram of how they are supposed to be routed?
  19. C

    Engine wiring

    "hi just joined site and it lo "hi just joined site and it looks very informative, but any way i replaced my crusader 270s with slightly used ones out of a friends boat who was going diesel. the problem is that the harness coming from the boat is a 8 pin male plug and the engine harness is also...
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