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    1997 4.3L LHX Gen+ Timing

    I have a 1997 4.3LXH Gen+ Thunderbolt V setup. I have the Mercruiser #18, 25, and 32 Service Manuals, I understand base timing, I know how to set the ignition into base timing mode, I know what the base timing spec is for my setup (10 deg BTDC), and I know the procedure to set the timing. What...
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    Titan 10" Disk Brake Kit from Etrailers on single axle trailer

    I just installed the Titan 10 inch disk brake conversion kit (T4843300) available from etrailers on my single axle boat trailer. All inclusive kit with UFP actuator, brake lines, rotors, calipers, bearings, brackets, etc. After I installed the kit I brought it to a trailer manufacturing company...
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    Mercruiser 4.3L Alternator acting up

    I replaced the alternator in my 1997 Sea Ray 4.3L with the correct part last May. Everything has been fine, correct voltages at alternator output, battery, gauge, etc, until last week. I started and launched the boat, everything was fine until I heard a tinny, pinging sound coming from the...
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    1997 Mercruiser 4.3L replacement starter shims

    I own a 1997 Sea Ray with the 4.3L Alpha 1 Gen+ setup. I just purchased a new starter for it. It is a marine starter sold by Rare Electrical. It has an 11 tooth pinion and is stated to be a direct replacement for the 806964A4 9 tooth starter that is in my boat. The new starter came with two...
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    4.3L 4bbl hard cold start issue

    Re: 4.3L 4bbl hard cold start issue No so on Mercruiser 4.3LH and LX carbureted engines. They have one +12V wire supplied from the ignition switch that goes to one side of the oil pressure cut off switch and there is one wire from the other side of the oil pressure switch that goes to the fuel...
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    4.3L 4bbl hard cold start issue

    Re: 4.3L 4bbl hard cold start issue Slight changes to drawing……….
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    4.3L 4bbl hard cold start issue

    Re: 4.3L 4bbl hard cold start issue The guy I got it from on Ebay told me he can pretty much make it any way you want it. Search for MINI TIMER SWITCH TIME RELAY 3 TO 110 SEC KIT. I didn’t mind modifying the one I got, I’m pretty good with electronics. I had to change out the relay and add the...
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    4.3L 4bbl hard cold start issue

    Re: 4.3L 4bbl hard cold start issue I got the interval relay from Ebay for $9. It came with a n.o. SPDT relay and I needed a n.c. one. I got a n.c. one from Digikey for about $2. Ten minutes with some solder braid and I had the relay swapped out. The relay is a fully sealed unit. I installed it...
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    4.3L 4bbl hard cold start issue

    Regarding 4.3L engines with 4bbl carburetors being hard to cold start. I added this circuit to my 1997 Sea Ray 185 with an Edelbrock 1409 4bbl carb. The 1409 is basically an exact copy of the Weber 4bbl and the 1409 also seems to ?drain? the fuel bowls after long periods of sitting. This circuit...
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    Cold Start Issue - Merc 4.3LX

    Re: Cold Start Issue - Merc 4.3LX I added this circuit to my 1997 Sea Ray 185 with an Edelbrock 1409 4bbl carb. The 1409 is basically an exact copy of the Weber and it too seems to “drain” the fuel bowls after long periods of sitting. This circuit supplies 12V to the the fuel pump for 10...
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    Edelbrock 1409/2114 on stock 4.3L Vortec engine

    I?ve seen a lot of posts here from people asking if anyone has changed from a 2-barrel carburetor to a 4-barrel carburetor on a stock 4.3L Vortec engine. My boat is a 1997 Sea Ray 185BR with the Mercruiser 4.3LX Gen+ engine. According to the Mercruiser Service Manual #18, 4.3LX refers to the...
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