dmax or cummins

59 camaro

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Aug 9, 2009
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ok i might be bringing back to life a 1957 grumman chevy old UPS stepvan to make it one of my fleet trucks at fedex home delivery.

it has a straight 6 chevy motor with a 4 speed tranny manual.
Now i want to make it diesel but want to know what would be the cheapest way? dmax or cummins. im a dmax lover but i think this will be a lot more expensive. i want it to be cheap in every way possible like parts and maintance wise.

what are the best cummins motors out there? i heard 94-97 are the best but not sure since im not very knowlagable with these types of motors. the motor will stay stock so no need for huge exhaust. waht else would i need for the swap to be done? thanks for any info hope to get some help here

oh and what is the price i should be looking to pay for something like this? motor tranny computer? needs to be automatic
 

coker6303

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Aug 6, 2009
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An old mechanical 12v preferably p-pump would be simple. No electronics to worry about.

sent via tapatalk by your forum daddy!!!
 

59 camaro

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Aug 9, 2009
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ryan thanks for the help..... does anyone know what year did the 4 cylinder cummins come in?
 

Ryan T

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Sep 5, 2010
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ive heard some of the older postal trucks have them too... i think there is a site called 4bt swap.. i signed up the other day but forgot the exact name... i learned about it from a thread on here..