OFT and Grams throttle body
 

so was curious, has anyone made a tune with this yet? or can?

I dont think you would need to change anything.
The throttle body is downstream of maf sensor, if it actually flows better maf will detect extra air flow and ecu will adjust fueling based on more flow.

it might change the throttle feel as for same percent open throttle would flow more air but ecu\maf will sort out fueling, it just may make the throttle fell a little different

okay cool! ill update as i get more info then!

You could adjust the throttle maps so it's not as reactive as it would be.

i got the throttle body
 

there is a difference in throttle response and it seems like it diffidently has taken in more air and based on the AFR tables it looks like everything is still in spec. 400 miles later everything is still seeming good


however I was curious if someone would like to see a data log and give me feedback and if its optional to adjust the tables could help me in doing so


thank you

Pm me or send it over. Also send over your current map so I can adjust your maf using the vgi scaling tool

So...how's performance with Grams throttle body? any difference in mpg, butt hp/tq?

butt dyno def increase, mpg went down a little of course for more air, no codes, and i havent had the chance to get it tuned in perfically but from what i have data logged MAF knocks lft and what not all within spec

Is the grams throttle body hard to install? Any install videos for it out there?

No offense, but the 'butt dyno' can lie. You spend X amount of dollars so you feel that there has to be some sort of gain. Not saying this is the case, but the only way to be sure is dyno the car on the same day, before and after you change the TB.

What a waste of money.

I'll install a similar throttle body next week. I'll post results afterwards. Of what I've read, there is definitely a difference and it pulls stronger even in 6th gear at 2000 rpm.

Even when NA? Interesting.

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Here there are only 3-4 people that changed it. Most of the remarks I've read are from Japanese reviews.