twins or go big

[Bigzavs]

well heres my .02cents, but id rather have 400whp at say 4k with a set of twins, insted of having 600 at 6800 with a large single, cause, having more power down low in the power band you drive, and are more likly to be in more often, cause the way i see it, if your droping out of full boost everytime you shift then whats the point of having boost? but i dont know i guess thats just me. so twins in my mind are better over all...

only problem with that, is that if you have a motor that likes to be high in the rpms (i.e. 1JZ) if your making a peak power of 400whp at 4K rpms, your not gonna be able to carry that power up to 7500-8000 rpms

now with a single, even if it makes 600whp peak at 6800, youve got to realize that its gonna be making 400whp at under 5K rpms unless youve got a lag monster turbo.

foreverpsychotic: like your dealing with right now, b4 i did my swap i saw all the people that were having trouble with the twins going out pretty soon after the swap, so i waited (bout 2 months extra) to build the single kit. my suggestion is go pretty good sized off the bat, i started with a 60-1 setup and now im on my third setup with a 72mm, the feel of a single'd car is hella addictive

 

[The Reaper]

wasn't too bad man

took us a weekend to rip the twins off AND install the single minus fabbing the DP and stuff.

and we had to do a LOT of shit (ie: drill out the holes in the wastegate for it to fit, and grind off a bit of the waterneck for the manifold to fit smoothly.) so its really not that bad. but out of the car is obviously 5000000000 times easier.

 

[AGlobalThreat]

Twins have been on my car since Oct. 2006, ypipe/dp was put on Jan 2007. The twins started smoking around the end of summer. It will be time to replace them in about a month or so. They still boost and drive fine, the only time they ever smoke is when the car is stopped idling at full temp.

I wish I:
Broke the twins in easier (Boosted them pretty hard when I got the car back)
Installed a catch can sooner (1jz PCV valve recall)

They probably would have lasted a lot longer. Oh well, shoulda coulda woulda.

Check the shaft play on the turbos when you get them and look for oil.

 

[Shadow]

I didn't do my single swap till about 3 months after installing the 1J. I had the motor out to do the swap and in the process did a full engine gasket kit. Along with going full standalone and other things. I did a lot of things at once so it was worth it for me to pull the motor. I don't think I would have been able to put the single turbo exhaust manifold on without the motor out. It's literally a few millimeters away from the frame because of it's size. If you plan just to do a single turbo upgrade then leave the motor in. The single is worth the hassle. Have fun though!

 

[OneJoeZee]

well heres my .02cents, but id rather have 400whp at say 4k with a set of twins, insted of having 600 at 6800 with a large single, cause, having more power down low in the power band you drive, and are more likly to be in more often, cause the way i see it, if your droping out of full boost everytime you shift then whats the point of having boost? but i dont know i guess thats just me. so twins in my mind are better over all...

That all depends on the size of turbo(s) you use.

I could have said the same general statement you did but switched the words single and twins.