DIAPHRAGM SPRING COLOR CODE...? - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 5 (permalink) Old 12-06-2015, 11:40 PM Thread Starter
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DIAPHRAGM SPRING COLOR CODE...?

Does anyone know the code for the color for the diaphragm spring in the VE pump. i have several ones in different colors from different pumps and presently am having a hard time adjusting my slow speed smoke with the blue spring i am using despite several turns up on the star wheel. what color spring is stiffer...?
i am hoping someone has some info, otherwise im simply going to have to see how much each one compresses under a pound or two of weight..!
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post #2 of 5 (permalink) Old 12-07-2015, 11:12 PM
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My pump spring has no color on it.

93 W350 w/duals, fuel pin turned, 6X.018" injectors, 4" exhaust, 3" air intake horn, HX40/16, G56 /SBC Con-OFE, 307's axles' 2" skyjacker lift, B&W flatbed
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post #3 of 5 (permalink) Old 12-12-2015, 12:11 AM
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I am interested in it enough to want to learn about this possible specific color-coding here. I will have to ask my friend who used to work in a pump shop.

Jim "Iron Giant" Fahlin ~ A high performance car is like a guitar, you have to tune it to achieve your best operation and pull ahead of the competition.

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post #4 of 5 (permalink) Old 12-12-2015, 12:37 AM
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Please provide your exact year and if you can your pump serial number along with any other number on the tag to verify this is a VE pump you speak of.

Jim "Iron Giant" Fahlin ~ A high performance car is like a guitar, you have to tune it to achieve your best operation and pull ahead of the competition.

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post #5 of 5 (permalink) Old 12-19-2015, 03:15 AM
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If I remember right gon2sea has a 91.5 truck. He might not have a factory tag. His truck was in the range of the TSB for a pump recall.

My early 93 had a reman pump from the recall.

93 W350 w/duals, fuel pin turned, 6X.018" injectors, 4" exhaust, 3" air intake horn, HX40/16, G56 /SBC Con-OFE, 307's axles' 2" skyjacker lift, B&W flatbed
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