SjLingenfelter

How long would you be able to run a hx35(small charger) and a Ht3B/26 (big charger) as a twin turbo setup before you would have to o ring the head and do studs?

95ram

That combo only puts out about 50 pounds. You shouldn't have to oring and stud with 50, but it would be a good idea.

ratsun

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I set my blow offs at 50 but can hit 57-59 even with my small injectors?

600 Megawatts

I beg your pardon, with a PR of 2.5 on each ,the HX35 and HT3B combo is easily capable of 75+ Psi. dending on housing sizes and how much fuel.... What do you mean its only capable of 50 Psi????

Kevin

SjLingenfelter

also with DD5 injectors about 200hp with twin setup

95ram

600 megawatts, profanity removed by admin but please reread my post id did not say it was only capable of 50psi. I said it only puts out about 50 psi. I by no means am an expert. I'm going by what I have seen and read. What I have seen and read most people are at about 50 psi with this combo.

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ddestruel

somewhere i read somebody was talking about a 35/12 ontop and the HT3B/22 on the bottom. Then claimed they were changing to a 35/hybrid 16 ontop to try and regulate pressure. it was a really goofy conversation.

The dudes objective was to get the volume of air from the second turbo up and then regulate pressure via a larger housing on top.

does this make anysense to anyone?

I keep thinking i had heard 50 psi was the max and that a HX35/14 WG ontop and an HT3B/26 (or is it the 22 housing) was supposed to be a good starting point for 425-500 towing HP, keeping it cool towing and it being able to somewhat self regulate (with a little go peddal control) without the need for an external wastegate. anyone feel like verifying this tid bit of possable mis-information.

Or was it the HX35/14 non WG with HT3B/26 required an external wastegate, was simple and cost efficient to build and worked well at the 450-500hp marker and could be regulated at 50psi and an MLS with studs was all that was needed to stay alive.

600 Megawatts

95ram, not sure what you mean by your flaming reply of " I did not say it was only capable of 50 Psi, it only puts out 50 Psi." hummmmm whatever... Open mouth insert foot... Sounds like you would have been a good member to the Kerry Edwards campaign.... Since you flamed me, I will flame back.. For crying out loud, stand back and listen to yourself before you type.......



Kevin

SjLingenfelter

BACK TO TOPIC PLEASE!

joefarmer

Sean,

The question isn't "how long", it's "how low" you regulate the boost & back pressure. Typically, 50psi is seen as the edge for either number (backpressure could be slightly higher). Keeping the wastegate open early and the blow off valves regulated at 50 should help the truck survive. I can't remember if your project truck is a HO model or not. If it is, be aware that it's higher compression ratio make it more suceptible to the higher cylinder pressures. I would recommend getting o-rings & studs before the twins.

brandon.

PowerstrokeThis

I'm the owner of the race truck and it is a standard output engine. I wish it was an HO.

BigBlue

No you don't. The HO's have higher compression than an SO so they are more likely to blow a HG due to the higher cylinder pressures. Plus, the VP44 injection pump on them is only good to like 500 or so hp. After that it runs out of fuel. If I'm correct, it puts out less fuel at higher pressure. That's why the HO's respond so well to injectors.