Single Turbo RX-7's Questions about all aspects of single turbo setups.

Difference in driveability

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Old Jun 17, 2004 | 08:08 PM
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Difference in driveability

How does the feeling of a T78 compare to the stock sequential turbos. What is the differnece between when it boosts up and how it feels?
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Old Jun 17, 2004 | 08:13 PM
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Soooo much of that is going to depend on HOW you drive. Do you like to rev it up a lot? Do you enjoy working the shifter and running up and down through the gears? Do you sit in a lot of heavy traffic?

I drive a T04S single turbo and while some would say it's laggy compared to stock twin turbos, I would NEVER go back. There are probably plenty of people that would not like it though.

My advice is to go to a local RX-7 meet this summer... and get rides in some cars....
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Old Jun 17, 2004 | 08:18 PM
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That sounds like i good idea i will have to look for one. I do like going through the gears though. I was in a really supped up 300zx twin turbo. I had a n/a and his car drove just like mine until around 3,500 and it would throw you back in the seat. I didnt know if the sequentials did that all of the time if you know what i mean, and also if the single turbo felt like i discribed about the z? Thanks!
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Old Jun 17, 2004 | 10:39 PM
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my t78 starts to come into boost just like my old non-sequential twins did. it comes in like 300 rpm later, but when it hits, it hits a lot harder. other than the extra 100whp i got, it's no different to drive
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Old Jun 17, 2004 | 11:50 PM
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Around what rpm's does the t78 kick in? Also how much power does it put out and does it make it alot harder to drive? Thanks
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Old Jun 18, 2004 | 12:42 AM
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Originally posted by xxf3d3xx
Around what rpm's does the t78 kick in? Also how much power does it put out and does it make it alot harder to drive? Thanks
mine hits 16psi at 4500-4700 depending on load. you can really feel it at 5k tho. mine put down 439 at 16psi. the only thing that makes it hard to drive is the decrease in traction
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Old Jun 18, 2004 | 01:03 AM
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You learn to drive around the lag. You lose a little low end, gain it at the top.
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Old Jun 18, 2004 | 08:41 AM
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Hey Spoolin what mods do you have? Also is there something that you can do to get better traction? Tires?
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Old Jun 18, 2004 | 10:22 AM
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Originally posted by xxf3d3xx
Hey Spoolin what mods do you have? Also is there something that you can do to get better traction? Tires?
i have a street port, t78, fuel upgrades, power fc, and all the rest of the usual goin single crap. i have 245 wide drag radials on the back that help a little bit. i just got my gram lights in so i will have 285's out back which i hope will make it better
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Old Jun 18, 2004 | 10:43 AM
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Does the traction get any better with less boost? Also what are your 0-60 and 1/4 times? Did you put all of the mods on yourself?
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Old Jun 18, 2004 | 11:02 AM
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Yes, less boost = less hp = more Traction

Seriously, Traction is a matter of Hp / tourque and tire contact pathc / compound.

The more Hp you have the bigger the contact patch, and the better / softer the rubber has to get. Or else you'll spin.
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