na carbed fc sat for while
10-27-07, 10:33 AM
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na carbed fc sat for while
now its acting funny. I blew up the rear end and finally got around to swappin a lsd in there. It sat for about 9 months and I started it only a few times during this time. Now its all back together, battery completely dead but when I jump it I can get it to idle fine but it it revs up sloppy. I poured some MMO down the carb and let it sit over night then turned it over a little and did it again. Today I will change the plugs. I alredy checked the wires out and used alot of carb cleaner on the mikuni. If all this doesnt fix it what is the next thing I should look at? compression test? I dont think the motor is bad because its not shaking all over the place or anything its just very choppy going thru the rpms. Will a fresh battery help it out? Sorry for the long post but I need to be able to drive it about 10 miles to my nw house this weekend
Thanks guys
Thanks guys
10-27-07, 10:49 AM
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Engine, Not Motor
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You will probably have better luck over in the 1st gen section. Most people here don't deal with carburetors.
If it sat for 9 months "wet", then you may need to pull the carb, disassemble, clean all the junk out of it and then reassemble.
If it sat for 9 months "wet", then you may need to pull the carb, disassemble, clean all the junk out of it and then reassemble.
10-27-07, 12:20 PM
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Wet means it was left sitting with gas in it and it may have evaporated out leaving a gummy, varnish like residue that plugs up the workings of the carb. Run a can of Seafoam through the gas tank tank, preferably 1/4 or less of a tank.
MMO works well as a pre-mix, it doesn't do much for cleaning out gummed up carbs. Change your fuel filter and drain the old gas out of the tank too. Since it's only been 9 months, you might be to get by with a healthy dose of Sta-Bil.
Fwiw, I rebuild Mikunis. I can also powdercoat your upper and lower intake manifolds if you want to add a little bling to your engine bay. The following link is some of the work I've done to my 1st gen widebody.
https://www.rx7club.com/build-threads-293/unvieling-12a-bp-widebody-462184/
MMO works well as a pre-mix, it doesn't do much for cleaning out gummed up carbs. Change your fuel filter and drain the old gas out of the tank too. Since it's only been 9 months, you might be to get by with a healthy dose of Sta-Bil.
Fwiw, I rebuild Mikunis. I can also powdercoat your upper and lower intake manifolds if you want to add a little bling to your engine bay. The following link is some of the work I've done to my 1st gen widebody.
https://www.rx7club.com/build-threads-293/unvieling-12a-bp-widebody-462184/
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