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It's best to keep the primary filter at a 30 micron level. That way it will not clog up so fast. The secondary's then can be the 10 micron. Or you can use two different secondary's like I did. The first being 10 micron and the second being a 6 micron. If I can find a 2 micron filter that will...

That's who I use for all my filters. Great prices.

That's just the problem ! The manual is over 60 years old and the filters are no longer made ! You must use aftermarket ones. I believe WIX sells a couple designs.

Actually according to the original service manual for our injection pumps, you where suppose to have a 2 micron fuel filter.

:ditto:

Be sure to post your conversation with the shop here. Pictures would be nice too !

I'm so sorry I forgot to answer your question from yesterday ! I got caught up in my explanation to "squirt truck" . I'm not sure if it would change the timing since it seems the buttons main purpose is to take up the clearance like a "selective thrust-washer" does in a transmission. Of course...

I think I need to explain the reason I said that the amount of fuel has nothing to do with timing. A given amount of fuel has a set amount of potential energy. So when your going down the road with "no" load you only need a small amount of fuel (energy) to keep the engine turning at a set RPM...

All the later injectors have two holes. One small and the other noticeably larger. One throws a mist out and the other a stream of fuel. So that totally negates your injector issue. The Multifuel engine works by creating a "slow" burn thus being able to burn such fuels as engine oil which...

What about my question on the injectors popping sooner could that cause advance? Yes it could. It's just like advancing the spark in your gas engine. Both cause early ignition of the fuel. Also thanks for the kind words. :beer:

Well I guess I'll have to take mine apart and see for myself. I bought two LDS and two LDT pumps last year and have been planning on rebuilding them some time this winter. I've just been racing to get all my other outside projects done before winter sets in. I'm still planning on the "Great...

So then there is no difference in the amount or length of time the fuel is spraying. Hmmmmm. Then what is the difference in the LSD vrs the LDT injection pump then ?

Floridianson you still have plenty of brain cells popping ! Your one of only a few on this site that has a good grasp of how the injection pump really works, so don't sell yourself short. I also know about the effects the pain pills have. Somedays its amazing I can even remember I have a wife...

I though my "analogy" was pretty good. I never mentioned the distributor cap which would correspond to the Hydraulic Head. As far as the "rotor" goes, yes it does effect the timing of a gas engine. The positioning of this rotor either before or after the caps electrodes effects where the spark...

OK, first lets all get on the same page. What I see is the "spill holes" on the plunger are higher on the LDS and lower on the LDT plunger. Do we all agree on this ? If that is so then according to the TM when the spill hole clears the edge it drops all fuel and even though the plunger is still...

The openings would change the timing slightly. Yes the injection pump cam determines the "initial" timing but the valving or openings fine tune it. Just like a distributer on a gas engine. The initial timing is set with the distributer to cam relationship but the weights and springs fine tune...