Home > Forum > Twin Turbo To Single Turbo Is It Worth Doing

twin turbo to single turbo is it worth doing

Jan 02, 2016 at 11:52 AM CST
+ 1
twin turbo conversion is it worth the money
Replied on Sat, Jan 02, 2016 at 12:09 PM CST
If it's a c13. No.
Replied on Sun, Jan 03, 2016 at 11:26 PM CST
If its a C-15... NO.
Replied on Mon, Jan 04, 2016 at 09:12 AM CST
I asked my Mechanic at CAT about doing it on my C-15 and he told me it was illegal to do. You can't alter the factory emissions on any engine. People do it but it can cost you in fines if somebody catches it.

Replied on Mon, Jan 04, 2016 at 05:35 PM CST
Find a good diesel rebuilder, I have numbers- you have to turn it back to a 6nz- 16-1 packs and complete ecm recalibration, then keep your turbos and have fun, if you just do tuning and turbo you still have high compression18-1, and head gasket problems and all the other issues
Replied on Mon, Jan 04, 2016 at 07:38 PM CST
Hey call PDI out in st george utah. They are top of the line and they well make your twin turbo cat run and get fuel milage to. I used to have 06 pete 550hp diidnt run worth a crap was getting 4 to 4.5 mpg I took it to one of there shops. And if ran it right and kept it around that 67 i could get over 6mpg. If i drove it hard 75 then it would go back to 5 to 5.2. And i was maxed out 90,000 every load.
Replied on Wed, Jan 06, 2016 at 06:43 PM CST
I've heard of too many headgasket problems to hop up a accert. They say if you want to do it right to do it at an o-haul and do it all
Replied on Wed, Jan 06, 2016 at 06:51 PM CST
Quote: "Find a good diesel rebuilder, I have numbers- you have to turn it back to a 6nz- 16-1 packs and complete ecm recalibration, then keep your turbos and have fun, if you just do tuning and turbo you still have high compression18-1, and head gasket problems and all the other issues"

I have a 6nz pre-emission c15 and he said it wasn't legal.
Replied on Wed, Jan 06, 2016 at 08:25 PM CST
Quote: "I have a 6nz pre-emission c15 and he said it wasn't legal. "

Well duh!!!!! Why bother
Replied on Wed, Jan 06, 2016 at 08:29 PM CST
Quote: "Well duh!!!!! Why bother"

Because a guy I know that had done it went from 5.5-6 mpg went to 6-6.5mpg. That's why. Fuel was $4.00 when I was looking into it.
Replied on Wed, Jan 06, 2016 at 08:56 PM CST
Ok I know why- just like altering any emmision vehicle
Replied on Wed, Jan 06, 2016 at 09:05 PM CST
Cat- Cummings-Detroit will not alter thier motors becouse of the epa and big fines, that's why these performence shops like pdi, Pittsburg poop shooters make you sign a waver that says " for off-road use only" Iv herd anyway...Pittsburg got caught and fined 100 grand and I don't now if they mess with it- they are in gliders now