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FYI, I received an email this morning from EFI Live with this. ============================================= In light of recent and sweeping industry changes in the USA, region specific restrictions will be implemented in future EFILive software releases. For USA based customers only, EGR and...

I'm cheap and I'm looking for a 38 or 44mm wastegate. Any feedback on the elcheapo eBay wastegates ? I'm building my own manifold. Should I be looking for a V Band or bolt on wastegate ? I'm inclined to think bolt on, as it would be easier to fab the flange and more material to weld ? But...

How loud is an S475 in a compound setup, with the compounds making about 50 PSI ? I'm putting this setup in a truck used for towing and it would be nice if I wasn't listening to a loud turbo whistle all day long. Do turbo covers make turbos quieter ? Does turbo whistle come from the exhaust...

Has anyone or does anyone know of a way to modify a stock Cummins exhaust manifold ? Mainly, has anyone cut off a turbo flange on a Cummins manifold and put on a different one, with a different pattern or maybe with a different orientation. You can't weld cast iron, right ? It will never...

I'm swapping a Cummins 6.7 with an HE351VE into a truck and I have space issues. The VGT actuator interferes with the HVAC box. The engine will fit no problem if I clock the center assembly down on the turbo. This will put the VGT actuator under the turbo instead of sticking out the side...

FYI, I'm swapping a Cummins 6.7 into an 08 F350. Its getting twins, 24V rods, EFI Live tuning and a bunch of other stuff. I'm posting the main thread on PSA because the Ford specific component is a lot bigger than the Cummins component and I want to keep the build thread together in one place...

Does anyone have the exact procedure and know the tool(s) to replace the bushings in a set of 12V connecting rods ? One search said that the bushing could be removed by hand if it was packed in dry ice while the rod was heated. What is a safe temp for the rod ? 250 F ? In oil or air ...

Does one have to do anything to supply a second turbo with oil other than run an oil line from the top of the filter housing to the turbo oil inlet ? And connect the turbo drain, of course. I see that some vendors sell oil orifices. I am wondering when one would use an orifice. The turbo...

How thick does a hot pipe have to be ? I'll be wrapping mine with header wrap to keep the heat in, if that makes any difference. And I'll be supporting the primary turbo at the flange, not via the pipe. The hot pipe itself will have no load on it. Has anyone seen one fail, ie blow out ...

How many miles is too many for a set of used 12/24V rods from a stock engine to be used in a medium HP engine ? (600-700+ HP) 100,000 miles ? 150,000 miles ? 200,000 miles ? 250,000 miles ? 300,000 miles ? They never wear out ? Thanks

Anyone know of a 60 or 75 PSI boost sensor ? Preferably 5 volt ? I'm looking for a sending unit, not a gauge. Thanks

I am thinking of putting 12V rods into my 6.7. Its not presently installed in a truck. Is it possible to swap rods into a 6.7 via the oil pan, leaving the head in place ? Ie, turn the engine upside down, pull the pan, pull the crank, pull each piston out, swap the rod, put the piston back in...

I'm building a tow pig engine based on a Cummins 6.7. I'm looking for advice on which turbo setup to use. I'm looking for as much safe, efficient, cool, smokeless power I can get with a basically stock fuel system for towing large trailers in the mountains. If I had 400 RWHP all day long, I'd...

I'm (finally) starting to build my tow pig engine. I'm looking for as much safe, efficient, cool, smokeless power I can get from a Cummins 6.7 with a basically stock fuel system for towing large trailers in the mountains. If I had 400 RWHP all day long, I'd be pretty happy. More would be a...

I have a complete Cummins 6.7 engine for my swap. Fan to flywheel. I'll be doing the headstuds on it. I'd like to paint the block red, but I am wondering if its worth the effort. If I do paint it, what should I remove and what should I paint ? I'm really worried about messing with the...

I want to set up twins on a Cummins 6.7. S475 "over" HE351VE. What is a good source for piping, elbows, flanges, clamps, boots and oil lines ? Would you make the cold pipes from steel or aluminum ? Thanks

We are going to build a set of twins for a 6.7 Cummins in an 08 Dodge. We are using an S475 over an HE351VE. We have pretty much decided to invert the manifold and mount the HE351 on top, at the front and put the S475 at the bottom so the exhaust on it is pretty much where the HE351 exhaust...

I am trying to get my head around how a twin turbocharger setup works, mathematically, especially when there is a big mismatch between the two turbochargers. A certain company is promoting the use of an Aurora 7500 (apparently capable of 135 pounds/minute) over top of a stock HE351VE on a...

I am looking for a compressor elbow like the one in these pictures for my 64mm HE451VE. The turbo in the picture is an HE451... though I am not sure of the variant. Does anyone know the part number or what engine it might come from ? Thanks !

Where does one get parts such as connector bodies, pins and the tools to remove pins so that you can make a bench harness for EFI Live programming ? I have an 09 6.7. I have used ECM connectors for it with pins. The pigtails are too short to be used. I need the tool to remove the pins from...