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I have been having issues diagnosing high fuel pressure in my 150 with a 12v Cummins and P7100. It had a 55 p.s.I. spring in it, but I cut it down, just to find out my return line was too small and posing a restriction. Do you offer a 40-45 psi spring or can I get one locally?

Hello all, I've been lurking around for years, and wanted to post a picture or two of my Fummins I just got done. Took me a total of 5 years to finish it, well, get to the point I could drive it anyway, and here it is. Bought it in 2009, ran it for about a year, before the 6.0L puked and...

I have one of your Street Dual Disk clutches in my Fummins swapped Superduty. I read I may have needed to clearance the throwout bearing sleeve. I didn't do it, but have not yet started the truck. Is it something I should take back apart and check? I am using Destroked mounts, plate, and...

I really need a GOOD 94-98 12V head, and would like an IH casting. I am willing to pay to have it magnafluxed and checked for cracks, and would prefer it bare. Tired of getting junk with a bunch of cracks. Thanks

Finally got around to putting my new Industrial Phatshaft 62/65-14 on my Dodge and would like to report I am very happy with the results. I had an HX35 with a 16cm non-wastegated housing and this Phatshaft spools harder and quicker for sure. I left the wastegate alone at 40lbs, maybe even that...

Have a 1993 6.5 3500 4x4 would like to do an Auto to Manual swap. I assume a donor truck would be the best way to do it, will any manual work or does it need to be a NV4500? Will the transfer case bolt up, or will I need to swap that over too? Are all the cranks drilled for pilot bushings...

Looking to pick up a primary charger for my twin build, I am going to be going with a T6 foot, 1.32 ratio housing but not sure what compressor size to get. Do the 8 blade s480s spool that much slower than the 7 blade s478s? I see they are the same price, just wondering.

Need a NV4500 4x4 trans I could rebuild. Thanks

I can trade for a set of 3.55 gears that I have, other Ford pickup parts, or cash. Let me know, NO JUNK.

Building a 12 valve, wondering how much is too much nitrous and when i need to worry about overspeeding a turbo? Just keep the drive pressure in mind or are there other things i need to be worried about too? Timing?

Anyone make a bolt on vacuum/P.S. pump cover?

Sorry for the crappy pictures, better ones to come. The Start The Goal

Looking for a core 4x4 NV4500 to put in my superduty. Anybody got one?

My Cummins needs a new turbo and I don't know what to get!! The HX that's on it now has a 16cm non-wastegated housing and it is simply worn out, only makes about 25 lbs of boost with no leaks, 370s, pump tuning, and 35 p.s.i. of fuel pressure through a Raptor. It is a work truck, towing...

What are all of you doing for downpipes? Modding the dodge ones or making your own? Swapping a p pumped 12 valve into a superduty, going to be running a flipped 3 piece manifold and a hx40/s300 style single.

Going to pick up a 2003 F-350 to do a 12 valve swap on, and was wanting to ask some others who have done it what all i need. I have been chatting with Auto World, Ford Cummins, and DeStroked and will get motor mounts, a flywheel, and adapter plate from them. Who has the best parts? Also, will...