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Thats what I thought about the 40 but its been like that since I put it on. I was thinking maybe the WG isn't sealing very well but even then it should spool up quick if it seeps some air. Makes sense timing would be retarded! I'll keep that in mind. as far as LP goes I've been shopping but...

Hey guys haven't been on here in awhile but I'm finally running 90%+ waste motor oil. I have noticed my egts have been higher (obviously) but lately I can barley go down the bypass without hitting 1100*F in 5th gear (nv4500) with 3.73's. I live in PA so there is some grades from work and back...

Well you guys did it, talked me out of buying a cheap used holley blue. Which is probably for the better ha. I would love to have a FRB5 for the durability but the price vs specs doesn't add up for me unless I find a used one which is impossible! I have narrowed it down between two: Mallory 4140...

6.2 turbo did you route a LP bypass? I almost bought a holley blue last night for under 20 dollars + shipping but then I was reminded how noisy they can be. A friend of mine has one. If I wasn't such a tight wad Id probably buy the FRB5 and be done with it but I'll more than likely end up going...

For some reason I thought I had my gauge before the filters but it was already after so I just ran a line into the cab so I could watch the fuel pressure and sure enough cursing in 4th gear around 50-60 mph on flat it stays around 2psi and at WOT the gauge pins to 0 psi. The only odd thing...

alright thanks, Im pushing fuel through two filters a 12 and 2 micron. I should probably invest in a gauge after the filters and put it in the cab so I can see if I hit 0psi under WOT (which I probably do)

Thanks! do you recall the factory LP GPH? I thought I had it but I cant find it.

Does anyone have a spec on the maximum fuel required in gph for the 4911 pump, or any of them for that matter? Also willing to see formulas for calculating max fuel consumption per hour. I'm just looking to update my fuel pump sometime and don't want to waste the money over doing it too much...

Nice!! sounds good! I am using an off board fine screen then a 6 micron, run it through there twice then to the truck with a 12 then a 2 micron. I really should find some cheap filter heads that fit the 12 and 2 micron filters I have so I can run a 12,2 and hopefully find like a 30 or 20 micron...

I have been meaning to ask do you switch to an aux tank for start up and shut down with WMO? Or is it just people that use veggie oil that do this due to the viscosity of the oil? I have two tanks and was thinking if I am using oil in the winter maybe I should be starting up and shutting down...

well you don't have to be afraid to push that engine :eek: Its gonna go sooner or later!

Does anyone have the missing specs for the gm-8 and Hx turbos?

Well I wont have room for a 4" down pipe so that doesn't matter too much. I forgot to mention what I am looking for. Something that spools well, and I will probably be seeing a peak of 15psi driving and 20-23psi towing

Yeah I have heard good things about that cat turbo, the only bad thing is the down pipe. Does it whistle like the hx turbos do? I would have put a before/after temp gauge in but I'm cheap haha, I have it on a boch pump with the heat exchanger a few inches in front of the engines radiator. I...

So I figured I should share my water to air set up and I am also pondering a new turbo so I will list some of the specs of the turbos I am interested in and interested in but I may need some help filling in some missing specs. I'd also like to compare specs with the gm-8 so there is a good...

I will never pull the manifold again, I did it once to install the turbo and its not fun with the frame being right there

nice! how do you get the two on the hard side that butt agents the manifold? I tried buying an elcheapo wrench and bending it but that didn't fit very well, maybe a medium depth 30 mm socket? Im talking about 6.2 heads without stacked gaskets...What I ended up doing was using a 7/8s or...

sounds good wasn't sure if it would be worthwhile just a thought

I didn't think of that, that is even worse. What do you think about the lapping compound and doing it like they do valves? I'm not sure what grit that would be.

Haha funny you bring my IP into the question, I was very worried about that going into this. It is a 6.2 IP turned up. I thought the timing would be way off but it doesn't seem to be and I think its the original IP if not close to it. I have always been surprised by this pump it has really...