Yes, I am using the 1 7/8 pipe as it matches the ports. The 1 3/4 is too small. The heads have been flow tested, all measurements sent to the right people custom camshafts fabricated with this being the end result including exhaust.
I am sure it will be good enough for a old MR2 chassis! 

I would put money on 1 3/4 making the same peak power with a broader power band than 1 7/8.  All it needs is a merge from port size to down to 1 3/4 over about the first 3 inches.  

Steve, give me a buzz when your down in Melb.

WIDEMR
Steve, give me a buzz when your down in Melb.

Will do Brendan.

With the MR2 Trackday getting a little too close for comfort I have been working madly to get my car finished and running for the event. It simply never ends but it is get very close to the day when the car will live again!
The interior received yet another little touch up along with numerous other parts. It will be at the Exhaust specialist on Monday then its off to Melbourne the following week for the wiring.
Intake will be ready for install in a week or two.
A few pics of some of the work.




 

Ahh, you are the guy using ariel to build your intake. Nice work.

MCT_MR2
Ahh, you are the guy using ariel to build your intake. Nice work.

Yes, there are two being built. He is a great person to deal with. Wish I had bitten the bullet 12 months ago but that's how life is.
 
I'm working on being in Melbourne in a week or two for the wiring. Charlie's friend is doing the wiring on my car and the second loom for the second engine.  

Good stuff. Troy or whatever his name is. I met him briefly at the anniversary meet in melbourne.

Who you getting to tune it when its ready?

MCT_MR2
Good stuff. Troy or whatever his name is. I met him briefly at the anniversary meet in melbourne.

Who you getting to tune it when its ready?

 
Yes, will be visiting Troy very soon then its off to Shane Wilson for the tune.
 
Unfortunately I didn't get everything done today so I am a day or two behind but I will push through to have the car running in the very near future.

Looking like it is coming together for you Steve, great work.