Wanting to Twin My truck, Opinions Please!! - Page 2 - Competition Diesel.Com

Fireman450 · 02-03-2008, 07:04 PM

Quote:

Originally Posted by jfaulkner

This is what I have and they work great. (62/14 S300 on top with a 3" S400 on the bottom)What used to peg the pyro doesn't hardly go above 1K deg now. If the turbos are being used in a twins set I wouldn't get internal wastegates. My S300 had one I used as a single but I blocked it off and I'm using a 38mm external wastegate set at 60psi now.

This is probally what Im going to go with. Ive just got to Look around and see what all im going to need to get all this togeather.
Thanks fellas, Yalls advice is really appreciated...

Fireman450

POWERSTROKER · 02-03-2008, 07:53 PM

i don't mean to thread jack here but can someone explain to me what 62/14 means or-62/14/s300 or a s400, or a 62/71/13, i can get a used 12v engine pretty cheep so i'm trying to learn all the cummins lingo cause i wawnt to put the 12V in my superduty, so i'm just trying to see whats available for them, THANKS!!

tony597fitter · 02-03-2008, 08:38 PM

Quote:

Originally Posted by Fireman450

This is probally what Im going to go with. Ive just got to Look around and see what all im going to need to get all this togeather.
Thanks fellas, Yalls advice is really appreciated...

Fireman450

This is the best deal I could find on the S400 with a 75mm wheel.
http://www.dallasturbo.com/specials1.html
And the flange kit is a deal also.
http://www.dallasturbo.com/specials4.html

I bought both of these S475 and the flange kit. The flange kit saves you about $70. I figured the price difference from source automotive.
Talk to Dave he will set you up.

ISBeINSIDE · 02-03-2008, 09:57 PM

just jumping in on this subject but if you ran on external gate, you would be losing a good source of heat energy.
If you have two gates internally one each turbo it would be efficient and effective in keeping pressures in check?

Jim Fulmer · 02-04-2008, 06:03 AM

No problem keeping the little charger in the game, with an external gate. It works better with one, the second option is the S/S gate from HTT and the 3rd is the gate on a Silver Bullet series from I.I.

I ran a SPS 66 and a Big Brother setup a few years ago at 80 psi with 82 psi of drive pressure, the big turbo made 36-40 psi by itself depending on fueling.

Jim

jkretzer · 02-04-2008, 06:45 AM

62/13 with an s400 or s480. ht60 works very well as a primary also

Timebomb · 02-04-2008, 09:23 AM

Quote:

Originally Posted by jkretzer

ht60 works very well as a primary also

With a smaller housing it works for pullers

Trapper · 02-05-2008, 06:09 AM

Quote:

Originally Posted by POWERSTROKER

i don't mean to thread jack here but can someone explain to me what 62/14 means or-62/14/s300 or a s400, or a 62/71/13, i can get a used 12v engine pretty cheep so i'm trying to learn all the cummins lingo cause i wawnt to put the 12V in my superduty, so i'm just trying to see whats available for them, THANKS!!

THe 62/14 is a S300 and S300 and S400 are Switzer turbochargers just different sizes the 400 being bigger than the other. A good reference in this forum is the turbo flow rates that is in here somewhere it can go into more detail and give you a ton of more options to chose from. If your new here welcome.

02-03-2008, 09:57 PM	#24
ISBeINSIDE Name: ISBeINSIDE Title: Left Coast Hooker Status: Not Here Join Date: Mar 2007 Location: Fremont, CA Member`s Gallery Posts: 834	just jumping in on this subject but if you ran on external gate, you would be losing a good source of heat energy. If you have two gates internally one each turbo it would be efficient and effective in keeping pressures in check? __________________ Jason new truck in the making... EfiLive tuning by Silver Bullet Tuning (2007 5.9) silverbullettuning@gmail.com

02-04-2008, 06:03 AM	#25
Jim Fulmer Name: Jim Fulmer Title: Too Much Time Status: Not Here Join Date: May 2006 Location: Quanah Tx. Member`s Gallery Posts: 5,013	No problem keeping the little charger in the game, with an external gate. It works better with one, the second option is the S/S gate from HTT and the 3rd is the gate on a Silver Bullet series from I.I. I ran a SPS 66 and a Big Brother setup a few years ago at 80 psi with 82 psi of drive pressure, the big turbo made 36-40 psi by itself depending on fueling. Jim __________________ 01' 12V, S/B, Q/C, 4WD 98' 12V, S/B, Q/C, 2WD

02-04-2008, 06:45 AM	#26
jkretzer Name: jkretzer Title: MegaCrank Status: Not Here Join Date: Jul 2006 Location: hunting, fishing or at work Member`s Gallery Posts: 1,444	62/13 with an s400 or s480. ht60 works very well as a primary also __________________ 98 12v, DTT auto, ADT Motor, Mid-Atlantic Diesel Tuning and Twins. 62/13/s400 56 chevy shortbed restomod, 2wd, cummins 4bt, nv4500.

02-03-2008, 07:53 PM	#22
POWERSTROKER Name: POWERSTROKER Title: Green Behind the Ears Status: Not Here Join Date: Oct 2007 Member`s Gallery Posts: 44	i don't mean to thread jack here but can someone explain to me what 62/14 means or-62/14/s300 or a s400, or a 62/71/13, i can get a used 12v engine pretty cheep so i'm trying to learn all the cummins lingo cause i wawnt to put the 12V in my superduty, so i'm just trying to see whats available for them, THANKS!!