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-   Series I Major Horsepower Upgrades (https://www.rx8club.com/series-i-major-horsepower-upgrades-93/)
-   -   80mm throttle body question (https://www.rx8club.com/series-i-major-horsepower-upgrades-93/80mm-throttle-body-question-230408/)

sauceyI986 03-11-2012 11:30 PM

80mm throttle body question
 
I was just wondering how many people that are running a 80mm throttle body and would it be worth it to swap my stock one out for it.

xplod 03-12-2012 12:13 AM

I am not sure if it is worth it(unless you are going FI). Bigger is not always better. I mean your motor can only flow so much.
I'm running ported stock throttle body + ported LIM on a street port and am pretty happy with the results.
How much mm is the stock throttle body? I have never measured mine..

sauceyI986 03-12-2012 12:18 AM

I believe the stock is a 70mm I plan on going fi I was looking at the throttle response part of it, because with the drive by wire system. it's accurate but at time it seems like there may be a delay.

xplod 03-12-2012 12:30 AM

Since you're planning on going FI then it'll be better to switch to a 80mm throttle body.
If I remember correctly JETS3T8 is running a custom 80mm throttle body conversion to standard throttle cable.

TeamRX8 03-12-2012 05:08 AM

BDC can hog the factory one out about 6mm or so

sauceyI986 03-12-2012 08:44 PM

I seen there pics on there site which are nice I was just trying to speed up the response time in the throttle to prevent lag in all areas.

paimon.soror 03-12-2012 08:47 PM

just dont go off porting your TB yourself ... contrary to popular belief there is more involved than just grinding away a few mm off the inner wall.

TeamRX8 03-12-2012 09:24 PM

You can alter the throttle pedal position vs throttle blade position response in the Cobb Accesstuner Race program, but I'm not sure what lag issue you are actually referring to? :dunno:


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