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Fuel Rod

Started by 71green go, June 19, 2011, 09:15:09 PM

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71green go

June 19, 2011, 09:15:09 PM
This may have been discussed already?......

But I recently met a Mopar enthusiast who has an awesome 70 challenger 440-6 clone car...
we got to talking about 440's and hard starting issues...he showed me his stock fuel pump push rod....man was it ever worn...he also had a brand new comp cams push rod which was at least almost a full 1/2" longer then the worn stock rod
apparently this is a huge common problem that mopar had a huge batch made with to soft of metal...and they wear out quickly

which leads to very hard starting. lack of power etc....I came home and checked my own yet to be installed one and it was also very worn......
I had measured the comp cams one and I believe it was 81 mm long....
So check yours out to!

just thought I would share .....excuse me if already posted

A383Wing

#1
June 19, 2011, 09:18:08 PM
stock length is 3-1/4" long....I got 3 new ones here and one used one....all same length

71green go

#2
June 19, 2011, 09:26:02 PM
It was a large batch that made it into production that were not heat treated properly.......many may be ok....the ones I seen and checked were well worn, so if anybody has a car that has hard starting this maybe the cause..

76charger

#3
June 19, 2011, 09:40:54 PM
I've got a 400 that has some hard starting issue's  :brickwall:. Would the pump rod be the same length? if not does somebody know what the length is suspose to be.
1976 Dodge Charger SE 318/904
1977 Dodge Charger SE T-TOP 440/727
1977 Chrysler Cordoba 360/727
1977 Chrysler Cordoba 400/727

A383Wing

#4
June 19, 2011, 10:10:56 PM
all big block fuel pump rods are the same

76charger

#5
June 19, 2011, 11:03:40 PM
Kinda figured that but thought I should ask anyways. Thanks
1976 Dodge Charger SE 318/904
1977 Dodge Charger SE T-TOP 440/727
1977 Chrysler Cordoba 360/727
1977 Chrysler Cordoba 400/727

Just 6T9 CHGR

#6
June 20, 2011, 05:35:58 AM
Quote from: 71green go on June 19, 2011, 09:26:02 PM
It was a large batch that made it into production that were not heat treated properly.......many may be ok....the ones I seen and checked were well worn, so if anybody has a car that has hard starting this maybe the cause..

Yup...I had one of the bad ones as well....wore down a full 3/4"  :rotz:
Chris' '69 Charger R/T

Al

#7
June 21, 2011, 03:47:21 AM
Quote from: Just 6T9 CHGR on June 20, 2011, 05:35:58 AM
Quote from: 71green go on June 19, 2011, 09:26:02 PM
It was a large batch that made it into production that were not heat treated properly.......many may be ok....the ones I seen and checked were well worn, so if anybody has a car that has hard starting this maybe the cause..

Yup...I had one of the bad ones as well....wore down a full 3/4"  :rotz:

Happened to me too  :RantExplode:
1968 Dodge Charger, 383, UU1
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