Turbos- sequentials or non-sequentials??
I got a question- What are the pros and cons of sequentials vs non-sequentials or visa-versa?
Thanks Gun |
Sequentials
Pros: quicker spool up at low speeds that's it When they are working - it is a very nice set-up Cons: Rat's nest of vacuum lines and solenoids that fail eventually somewhere The changeover sequence is very complicated and only takes one tiny hose pop-off or slight error and you'll get no boost Trying to find out where the problem is. Non-sequentials: Pros: Eliminates all but 4 or 5 vacuum lines and all solenoids more midrange and top-end power and torque Better for reliability Cons: Slower spool up - somewhat laggy until about 3500 rpms and then it pull HARD - no changeover It's a tradeoff of lowend for midrange and topend power - once you get it you won't like it - until you get used to it - then you'll love it. Everyone I've seen on this forum said they would never go back to sequentials. I had mine done for about $85 since my engine was already out. It seems to work better with a hi-flo cat over a midpipe - even more torque. |
I did a quick search, but wasn't able to come up with much, so I ask the question - What's involved in switching the car over to non-sequential? Being a bit of a newbie, I always thought one turbo was smaller than the other in most sequential set-ups (including FD's) - wouldn't that be detrimental to the turbos? I'd also imagine additional fuel would be a must if you went non-sequential.
If someone could direct me to a URL or something along those lines, I'd appreciate. Thanks! :cool: |
the turbos are the same size
here is the link: http://www.scuderiaciriani.com/rx7/non-sequential.html |
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