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RX7Club.com - Mazda RX7 Forum (https://www.rx7club.com/)
-   3rd Gen General Discussion (https://www.rx7club.com/3rd-gen-general-discussion-322/)
-   -   Racing Beat vs Tanabe Touring (https://www.rx7club.com/3rd-gen-general-discussion-322/racing-beat-vs-tanabe-touring-1127827/)

BLUE TII 07-11-18 03:23 PM
^^
I agree with that.

And if you are OK with not quite getting to the magical 400rwhp on pump because you want a bit faster response the EFR 7670 is the turbo for you.

versep 07-11-18 04:44 PM
Originally Posted by BLUE TII (Post 12287647)
^^
I agree with that.

And if you are OK with not quite getting to the magical 400rwhp on pump because you want a bit faster response the EFR 7670 is the turbo for you.
Is the difference quite big? I remember seeing a video of (your car?) with 7670 and it was in boost while cruising on the freeway.

BLUE TII 07-11-18 08:37 PM
My EFR 7670 wasn't in boost cruising at 65mph on the freeway. It was spooling (spinning) hard enough that boost was immediate when you gave it some gas though.

Topolino 07-29-18 02:22 PM
Originally Posted by djseven
Do you have any dyno or 1/4 mile numbers with this setup?
^Apologies for the late response to your query. The EFR 7670 is a fantastic replacement for the stock twins, w excellent throttle response and comparable HP numbers at stock psi. Its sweet spot is in the range of 275-350 HP, and will generally hit these numbers wout breaking a sweat. If end-user goals are north of 370-ish HP, the 8374 unit is likely the better fit for most setups replacing stock twins.

7670 dyno results


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