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Old 05-29-2013, 12:58 AM
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Holley 9510

My new-to-me '92 ProStar (Indmar 351, 285 HP) has Holley 9510, and I think it needs some serious work. Does anyone know anything about this particular carb? Is rebuilding it a good idea? Since it's 20+ years old, should it be replaced with something new/better?
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Old 05-29-2013, 01:05 AM
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9510? are you sure thats a marine carburetor. iirc the HO 351w had the 4010.
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Old 05-29-2013, 10:00 AM
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The carb reads "FIJL-9510-EA", followed by R50 483, then 2621.

My limited research shows that the OEM carb may have been a Holley 4010, which apparently was never a very good carb.

I suspect that some well-meaning dolt replaced the 4010 with the 9510, which was used on a lot of Ford trucks in the early 90's.

I found an thread on TT from 2006 that recommended going to a 4150 or 4160 Holley.

Am I on base so far?
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Old 05-29-2013, 10:29 AM
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Looks like you did your research correctly. A picture or two makes identification a snap. If this is the case, replacing with a marine 4160 is the answer. Assuming the carb that came with the boat is still functioning, at least it is worth something. Should be an easy craigslist sale. My boat came with an automotive carb as well. I picked up a used 4160 and rebuilt it.
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Old 05-29-2013, 11:36 AM
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http://www.nationalcarburetors.com/m...relholley.aspx
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Old 05-29-2013, 02:24 PM
Jason.H. Jason.H. is offline
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Is the carb in the that link a holley 4160?
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Old 05-29-2013, 05:20 PM
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I would call them and ask.

But according to holley it is a 4160

http://www.holley.com/0-80319-1.asp

Phone #: (904) 636-9400

New from jegs.

http://www.jegs.com/i/Holley/510/0-8...+++++/10002/-1
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Old 05-29-2013, 07:39 PM
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Please please do not buy a national carburetor, it will work ok for awhile then will crap out on you, just bite the bullet and buy a new unit.
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Old 05-29-2013, 08:18 PM
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My local boat mechanic says that the 9510 is the OEM carb for this particular boat. He also says that this particular carb is really screwed up, but he thinks he can put a kit in it and make it work.
The saga continues....
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Old 05-29-2013, 08:20 PM
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Not so sure about your carb, but in reference of to the question rebuilding or updating, I would take it to a good carb guy and ask questions and tell him what is up.

Have a 79 with a 4160 on a 351 that was acting up. Took to this guy, rebuild, o rings, gaskets, accelerator pump fix, needle valves and seats and set float level. Solved all of my issues and runs like it did when new with the added benefit of spending about 120 bucks.
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