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Yea, that's my fine line here, this isn't a race truck, it's a driver and I'd like to stop working on it and just drive and enjoy it for a change so I don't want to over complicate it. That's why I would just like to talk to him and figure out the best setup and go from there. I stumbled...

As far as the CDD pump goes about the most technical info I got out of Wes was that the in cab adjustable 150 cc pump eliminates the internal transfer pump and requires a boost referenced return fuel system with a 150 PSI 175 GPH lift pump. I would just need some more info and pros and cons and...

Thanks, that's defiantly something I would want to think about since there are no more gear drive sets available for these engines along with no P400's available. So I'm told that one problem with the pump shafts failing is the side load on the transfer pump, so how is the transfer pump pressure...

So his billet shafts do not have the tapered shafts to protect the engine?

Thanks Nate, he actually emailed me yesterday afternoon and we went back and forth for a couple of emails and then the responses stopped I asked him to give me a call. We'll se what happens, I just can't send $2500 based on a brief description on a website without discussing my needs and such...

So like I said, it may not need to be done but you could weld a pass through aluminum tube in the intake manifold to line up with the puff limiter for a cable to run through and attach like the Attitude which would allow you to turn it from in cab. Not sure how bad the tube in the intake...

Nate I should have added, I have not had the pleasure of running a pump with a puff limiter yet so maybe once you get the housing dialed in, the boost reference adjustability is enough. You would know better, I'm just always brain storming one way or the other, LOL.

Thanks Nate, that's cool stuff. I'm sure you've thought about this but I was trying to figure out how to adjust the Puff Limiter housing with a cable and knob sorta like the P pump Attitude Performance adjuster but I can't figure out how with the GM intake manifold so close to it. That with the...

Man I wished I had a core pump I could take apart just to better understand the workings.

Nate do you have any postings showing your Tahoe setup? I thought I had read most of your threads but maybe I missed something somewhere.

I guess I'm confused on the workings between the transfer pump timing and the advance servo timing, I see how the advance servo moves the cam ring when the throttle is opened but not sure on the transfer pump. So is transfer pump timing controlled by RPMs or fuel pressure? Sorry for the 100...

Hey I just thought I would bring this thread back to life since I'm dead in the water with the Burb for now. So can anyone tell me why Wes @ CDD is using an adjustable boost, boost referenced fuel pressure regulator on his DB2 pumps? I would ask him directly but I have been unable to contact...

Also when I told Mel I was building a fancy 25-30 PSI boost referenced fuel system he said I was wasting my time and the Walbro pump was more than enough. (quote unquote)

Are you looking at the first invoice I posted which is the second pump? It says it tested at half engine speed the first pump test results read different.

No, I'm running a Walbro that's puts out around 14psi.

Here is the .350 pump Conastoga did... note the different injector pressures, my present injectors were done by them popped @2250 psi.

I was just looking at the results, its putting out 150 CCs at 400 engine RPMs correct? It's fuel stacking like a bitch! Am I wrong?

Here you go

So I messed with the pump a little just know, when I went to pull the pin out of the advance rocker lever I discovered that there was no C clip retainer on one end, I doubt it fell off so it was probably left off. So after removal of the lever I pulled the servo advance plunger, then I took a...

I guess getting parts machined out of stronger metals like titanium or something would be too expensive huh? And at that point maybe machining a different pump mounting configuration and using a better pump would be cheaper, not cheap but maybe cheaper, just brain storming. Is there a 8 cylinder...