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First, many thanks for all of the advice I received last week on this problem! Okay, still having some problems with fuel delivery on our 300K.
Here is a quick rundown on what we have had done. Carb was cleaned and fitted with a new carb kit. Floats were set at 23/32 spec? Items replaced: Fuel pump, fuel pump push rod, fuel filter and all rubber fuel lines. Fuel tank was removed and sending unit inspected. Blew out fuel lines. After all of this we still are starving for fuel when the 4barrel kicks in. Also a little harder to start and (at times) some throttle hesitation on normal acceleration. One question the mechanic had was the engine rebuilt with bored cylinders etc and needs a higher CFM carb. I do not have any history on the engine other then it has been rebuilt. Any help will be much appreciated! Mark Mark G. Miller, General Manager Arthur L. Davis Publishing Agency, Inc. ph. 800-626-4081 ext. 1303 cell 319-240-8083 f. 319-277-4055 Let's assume the problem is not with the carb. There are 3 pieces of "rubber" fuel line in the system. If they are old, they need to be replaced to ensure you aren't drawing air into the system through an age crack in the old hose, or perhaps a blockage in the hose. One is at the fuel tank, connects the sender to the pipe. One is in the area of the front passenger foot well, connects the pipe to the next pipe. The other is from that pipe to the fuel pump inlet. It is a pretty easy job to replace these pieces with new line. I think the diameter is 5/16". It could be the problem is with the fuel sock on the sending unit. If the tank has rust in it, the sock will plug. While it isn't a terrible job to get the sending unit out, it takes a while. If you suspect the sock, but would rather not get into the sending unit, you could try running the car from an aux fuel tank. Run a long piece of fuel hose from the fuel pump inlet to an aux tank which you could place in the pass front seat. Have someone hold the aux tank so you don't get spills. If the carb performs off the aux tank system, you know where your fuel restriction is (or isn't).
__._,_.___ Posted by: Mark Miller <mark@xxxxxxxxxx> To send a message to this group, send an email to: Chrysler300@xxxxxxxxxxxxxxx To unsubscribe from this group, send an email to bob@xxxxxxxxxxxxx or go to https://groups.yahoo.com/neo/groups/all/manage/edit For list server instructions, go to http://www.chrysler300club.com/yahoolist/inst.htm For archives go to http://www.forwardlook.net/300-archive/search.htm#querylang __,_._,___ |
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