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Freeing stuck fuel pump pushrod #660058
04/03/10 05:55 PM
04/03/10 05:55 PM
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Maryland USA
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beatgoeson Offline OP
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Anybody have any ideas or tricks for removing a fuel pump pushrod thats flattend on the cam end. without tearing eveything apart?

Re: Freeing stuck fuel pump pushrod [Re: beatgoeson] #660059
04/03/10 06:19 PM
04/03/10 06:19 PM

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Most folks just remove the mechanical pump and go electric when that happens--I talked to Herb McCandless the other day and he even had to do it on his high $$ Imperial that he does the Power Tour with etc--Mopar sold a TON of soft crappy quality FP p rods at one time and that is the problem--Sorry to hear your trouble.

Re: Freeing stuck fuel pump pushrod [Re: beatgoeson] #660060
04/03/10 06:25 PM
04/03/10 06:25 PM
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beatgoeson Offline OP
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Thanks The rods only a little over a year old , Why does mopar sell that junk? really suck because its on a restored car so I really wanted the stock fuel pump without resorting to Elec.
Now I'm curious how much metel went in my engine.

Last edited by beatgoeson; 04/03/10 06:26 PM.
Re: Freeing stuck fuel pump pushrod [Re: beatgoeson] #660061
04/03/10 06:49 PM
04/03/10 06:49 PM
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chicagoland,usa
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buildanother Offline
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If that pushrod is that trashed on cam end, I'd be wondering about the state of cam eccentric. bummer. I keep a few survivor pushrods around and trust them more than new ones. If that little 45 degree bevel is still on both ends, I'm using em.

Re: Freeing stuck fuel pump pushrod [Re: buildanother] #660062
04/03/10 07:04 PM
04/03/10 07:04 PM
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New Zealand
nz383man Offline
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I suffered the same problem with the worn pushrod but I was lucky once I finially got the plug out the rod came out with a magnet.

I understand the quality issues people are speaking of but some of the failures could be caused by the oil companies slowly but surely decreasing the zinc content in the oil & for the type of cam, lifters etc we use in these cool old engines we NEED that zinc.

Re: Freeing stuck fuel pump pushrod [Re: nz383man] #660063
04/03/10 07:28 PM
04/03/10 07:28 PM
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Maryland USA
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beatgoeson Offline OP
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Believe me I use zink oil assy lube on the rod everything. This rod probably has less then 500 miles on it this is nuts. The lobe is still moving the rod I cranked it with the pump off but the pumps just not pushing the fuel up. I pulled the plug but the rod hits a stop I assume the end looks like a nail now.

Re: Freeing stuck fuel pump pushrod [Re: beatgoeson] #660064
04/03/10 07:31 PM
04/03/10 07:31 PM
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reflections7 Offline
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went to electric pump when mine did it. was scared the cam would be messed up so mallory 110

Re: Freeing stuck fuel pump pushrod [Re: reflections7] #660065
04/03/10 08:00 PM
04/03/10 08:00 PM

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theres been problems with the pushrods years ago, soft metal mushrooming the pushrod. it happened to my 68 hemi rr.
the metal will be soft enough to wiggle out with visegrips on the pushrod.
id be looking for a different brand other than mopar performance as this is a reoccuring problem.

Re: Freeing stuck fuel pump pushrod #660066
04/03/10 08:16 PM
04/03/10 08:16 PM
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beatgoeson Offline OP
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Funny you should say as this is also a 68 hemi Roadrunner ! must be a curse. I don't think I could get any vice grips in the opening with the jaws opened enough to grap the rod. What did you use?

Re: Freeing stuck fuel pump pushrod [Re: beatgoeson] #660067
04/03/10 08:25 PM
04/03/10 08:25 PM
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Had the same thing happen to my new engine, I used needle nose vicegrips and did a lot of wiggling, eventually the rod came out. It took a lot of cussing. Be patient the metal is soft enough that the mushroom will curl up. Since then I have never bought another Mopar Performance part. Never will either. That was a $6,000.00 engine almost ruined by a $20 piece of garbage. Went to the salvage yard and got one out of an old car, no problems since.

Re: Freeing stuck fuel pump pushrod [Re: 469runner] #660068
04/03/10 08:51 PM
04/03/10 08:51 PM
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Georgia
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69bfan Offline
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A trick that has worked for me in the past is to take a box end wrench if you have enough room to get it into the open and slide it over the rod. As you push on the other end of the wrench, it will put pressure on the rod as a fulcrum action and will hopefully move for you. A flare nut wrench may also have to be used if it has fallen futher down towards the fuel pump arm, yet still be stuck up in the motor. Good luck!!!


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Correct style exhaust tips and hardware, fresh air seals, go wings, Cuda & Challenger rear window louvers, hood pin kits
Re: Freeing stuck fuel pump pushrod [Re: 69bfan] #660069
04/04/10 02:35 AM
04/04/10 02:35 AM
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New Zealand
nz383man Offline
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OK lets say these good tips work & he gets it out, who makes a good rod to replace the crap MP one?

Re: Freeing stuck fuel pump pushrod [Re: nz383man] #660070
04/04/10 07:29 AM
04/04/10 07:29 AM

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Use "vintage" old ones--always! There are still some of the crappy batch out there on shelves--they had a rough finish on the tips--looked like they were done on a belt sander

Re: Freeing stuck fuel pump pushrod [Re: ] #660071
04/04/10 09:49 AM
04/04/10 09:49 AM
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SSAAHemiFan Offline
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Man... I thought MP solved this problem years ago

Thanks.. I just picked up a new one before x-mas.. I guess I will be re-using the old one.

Re: Freeing stuck fuel pump pushrod [Re: SSAAHemiFan] #660072
04/04/10 10:05 AM
04/04/10 10:05 AM
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Lincoln Nebraska
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RapidRobert Offline
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Quote:

Man... I thought MP solved this problem years ago.


That's what I had thought


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Re: Freeing stuck fuel pump pushrod [Re: buildanother] #660073
04/04/10 10:38 AM
04/04/10 10:38 AM
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Today? Who Knows?
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Why fix it when people are still buying the one they have??? MP = Quality.... NOT!!!!!

Re: Freeing stuck fuel pump pushrod [Re: 1_WILD_RT] #660074
04/04/10 11:24 AM
04/04/10 11:24 AM
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beatgoeson Offline OP
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Update!! I got it out this morning! I used needle nosed pliers and worked for 10 min. The metal was so soft it just flaked off. Beware I bought it new about a year ago from my friend at the dealership parts dept. Compairing it to the old one it has lost a good 3/16th. to 1/4" on the cam end. Now What would you guys recommend on removing a 1/4" of shaved metal from my motor?
I will change the oil and filter but , I guess I should drop the pad too? Now I need to find a good seasonded rod. Thanks for the help and if you have a MP pushrod lay around lose it! I will post a picture later.

Last edited by beatgoeson; 04/04/10 11:37 AM.
Re: Freeing stuck fuel pump pushrod [Re: beatgoeson] #660075
04/04/10 12:21 PM
04/04/10 12:21 PM
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Suffolk,VA
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ireland383 Offline
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Good to hear you got it out. The one I just ordered from Mancini is already starting to mushroom I pulled it out right away. What a piece of doodoo.

Re: Freeing stuck fuel pump pushrod [Re: ireland383] #660076
04/04/10 12:23 PM
04/04/10 12:23 PM
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Lincoln Nebraska
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My new one (dont remem where I got it) has concentric rings on the end like tree trunk rings. I'm wondering if it's one of the bad ones


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Re: Freeing stuck fuel pump pushrod [Re: RapidRobert] #660077
04/04/10 12:26 PM
04/04/10 12:26 PM
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Kirkland, Washington
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Quote:

My new one (dont remem where I got it) has concentric rings on the end like tree trunk rings. I'm wondering if it's one of the bad ones




I think that IS a bad one. I bought a MP rod back in the 90's that had rings (sort of irregular rings as I recall), I ended up using the nice looking 30 year old original one instead.
A rough surface sliding against metal cant be good.

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