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Author Topic: 5 Oz. Syringe  (Read 4040 times)
Joshua Harel
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« on: January 23, 2012, 05:34:36 PM »

Hi Jim
I am interested in buying your syringe. Where can I find info. about it as well as price? Also, will it work with Diesel fuel?
Thanks
Joshua
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James Lee
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« Reply #1 on: January 25, 2012, 08:02:29 PM »

Joshua
I have the 5 oz syringe in stock at $24 plus $3 shipping...
Send me an email at   jlee9 at cox.net for a full product list
Thanks
Jim
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BillLee
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« Reply #2 on: January 26, 2012, 04:19:54 AM »

Jim, what material do you use for the o-rings in the syringe?

Bill
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« Reply #3 on: January 26, 2012, 03:29:33 PM »

Bill
The syringe normally is fitted with a Buna - N rubber o -ring.  OK for glo, gas or diesel....    I have a silicone oring available for $1.00, but it does not like diesel or gas.  Also a viton oring for $2 that is supposed to be impervious to most everything....    for most people the regular oring is quite adequate, giving very good service....
Thanks
Jim
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FLOYD CARTER
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« Reply #4 on: February 22, 2013, 12:53:34 PM »

Jim.  I'm looking for a fuel syringe for gasoline.  Are yours glass or plastic?

Floyd Carter
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James Lee
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« Reply #5 on: February 23, 2013, 10:55:41 AM »

Floyd
The syringe is plastic of some type....   The standard one I sell is good for gas if you use fuel line that will tolerate gasoline....
Jim
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« Reply #6 on: May 12, 2013, 09:02:39 PM »

I have a few 5oz syringes and over time they tighten up to the point it's very hard to move the plunger. I've tried various O-rings and even the standard rubber tips but nothing helps. I think the glow fuel or maybe ultraviolet light is shrinking the bore. Is there a solution like boiling the syringe or something or do I just have to keep buying new ones? I don't mind buying new ones except I customize them for racing and have to do the re-work over and over.

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MM
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« Reply #7 on: May 19, 2013, 10:54:17 AM »

MotorMan
One problem I've seen several times is that the delrin piece that holds the oring expands with nitro...   You might check and see that this piece is not binding in the syringe body.  Remove the oring and see if it is free in the syringe bore.   That is an easy fix with a slightly smaller diameter oring carrier piece.
If the syinge is not used for a period of time, typically it will lose suction about halfway up the syringe.   Leave some fuel in the syringe for a few minutes and it will normally then work fine.  The orings apparantly do expand with exposure to fuel and then shrink when not exposed for a some time ( a week or more ..).
I think the barrel may shrink, but I have rarely seen that...
Possibly a viton oring may be the solution.   
Also, a big factor could be the fuel itself...   High nitro or a different oil....   
Thanks
Jim
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