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  1. 3

    Tuning rochester marine carb

    "I have a 1986 Ray with twin 2 "I have a 1986 Ray with twin 260hp IB's. Both engines perform very well. the port howeverseems to run a little rich, especially at idle. Should i back each screw out a quarter or vise versa?? there are no vacuum leaks."
  2. 3

    1986 220 closed cooling hoses

    Replacing the 1" water hos Replacing the 1" water hoses on a Carver with twin 220 Crusaders. Where is the best supplier to buy about 20 ft of this. The hose says marine wet exhaust right on it.thanx Dan
  3. 3

    Timing 86 300 WE

    Anyone tell me the proper proc Anyone tell me the proper procedure for timing thunderbolt IV system installed on 1986 260hp straight inboards. The bell housings have rubber plugs installed and if removed they reveal pointers. should i use these or the marks on front cover. also no purple wire...
  4. 3

    Issues with 99 74 MPI

    "I hope you have some time if "I hope you have some time if ur lookin at this post!!!, gonna take a while! Start out by saying that I am a GM dealership performance Tech. that does alot of marine work on the side. Recently took a job trying to fix a very poor running 1999 Cruisers 33 with twin...
  5. 3

    87 FWC 220 runnin warm

    Hi guys need a little help on Hi guys need a little help on 1987 Carver Mariner with a pair of 220hp fwc IB's. First off what degree T-stats should these engines have? Second This boat has always been in fresh water but has Internal cooling with heat exchanger. Lately the port motor has been...
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